# Sigmanortec.ro

> Sigmanortec.ro is an online shop with 1872 products.

- Website: https://sigmanortec.ro/
- Contact: [contact form](https://sigmanortec.ro/en/contact-us)
- Email: office@sigmanortec.ro
- Phone: +40 786 100 500
- Address: Calea Bucuresti nr. 9, 210146 Targu Jiu, Romania
- Prices: RON, VAT included; prices and stock as of 2026-10-13 00:04 (Europe/Bucharest)
- Catalogue: 1872 products in 194 categories
- Product search: https://sigmanortec.ro/en/llms/search.md?q={query} (replace {query} with the words to search; Markdown answer with up to 20 products)

## Catalogue by category

- [Mechatronics and IoT](https://sigmanortec.ro/en/llms/c/23.md): Development boards (Arduino, ESP32, ESP8266), sensors, modules, motors, drivers, kits and tools for mechatronics and IoT (867 products)
  - [Development Board](https://sigmanortec.ro/en/llms/c/24.md): Development boards including Arduino, ESP32, ESP8266, ATtiny, STM32, IoT wireless modules, Raspberry Pi and RP2040 (59 products)
    - [IoT Development Boards, Wireless](https://sigmanortec.ro/en/llms/c/128.md): Wireless IoT development boards: ESP32, ESP8266, LoRa, STM32 with WiFi, Bluetooth, Zigbee, 4G, GPS and related modules (30 products)
    - [Arduino Compatible Boards](https://sigmanortec.ro/en/llms/c/226.md): Arduino compatible development boards: Uno, Nano, Mega, Leonardo, Pro Micro, Pro Mini, LilyPad and ESP32/ESP8266 variants. (20 products)
    - [Raspberry Pi and RP2040 Boards](https://sigmanortec.ro/en/llms/c/227.md): Raspberry Pi and RP2040 development boards: Pi Pico, Seeeduino XIAO, Cortex M0 modules and display accessories (9 products)
    - [Boards with Display and Camera](https://sigmanortec.ro/en/llms/c/228.md): ESP32, RP2040 development boards with built-in LCD/OLED display and/or camera, WiFi and Bluetooth (10 products)
  - [Sensors and Modules](https://sigmanortec.ro/en/llms/c/25.md): Sensors and modules for distance, motion, gas, pressure plus WiFi, GSM, GPS, Bluetooth, RF, LED, display, storage and expansion boards (438 products)
    - [Distance and Presence Sensors](https://sigmanortec.ro/en/llms/c/111.md): Ultrasonic sensors like HC-SR04, ToF/LIDAR modules VL53L0X, PIR motion sensors and presence radars HLK-LD2410, RCWL-0516 (22 products)
    - [Temperature and Environmental Sensors](https://sigmanortec.ro/en/llms/c/112.md): Sensors and modules for temperature, humidity and pressure: DHT11/DHT22, DS18B20, BMP280/BMP180, SHT21/SHT35, HTU21D, BME680, SCD41. (32 products)
    - [Voltage and Current Sensors](https://sigmanortec.ro/en/llms/c/113.md): Sensors and modules for measuring AC/DC voltage, current and power: INA219, INA226, ACS712, ZMPT101B, PZEM-004T and protection modules (30 products)
    - [Level and Liquid Sensors](https://sigmanortec.ro/en/llms/c/114.md): Sensors for water level, flow, leak detection, water quality (TDS, pH) and soil moisture with relay modules (11 products)
    - [Motion and Orientation Sensors](https://sigmanortec.ro/en/llms/c/116.md): Modules with motion, orientation, accelerometer, gyroscope, magnetometer, magnetic encoder and tilt sensors (MPU6050, ADXL345, BNO055, etc.) (15 products)
    - [Light and Optical Sensors](https://sigmanortec.ro/en/llms/c/117.md): Optical sensors and modules: ambient light, UV, color, IR line tracking, fingerprint, barcode, flame, proximity (33 products)
    - [Sound Sensors](https://sigmanortec.ro/en/llms/c/119.md): Microphone modules and sound sensors: digital I2S INMP441, analog MAX4466, clap switch modules (7 products)
    - [LED modules](https://sigmanortec.ro/en/llms/c/120.md): LED modules and strips, including addressable WS2812B, MAX7219 matrices, RGB drivers and IR touch sensors (9 products)
    - [Switching Module](https://sigmanortec.ro/en/llms/c/125.md): MOSFET and power switch modules, touch/IR sensors for ON-OFF control and switching electrical loads (9 products)
    - [Expansion Module](https://sigmanortec.ro/en/llms/c/129.md): I2C expansion modules, IO port extenders and multiplexers (PCF8574, PCF8575, PCA9548) (5 products)
    - [Data Storage Module](https://sigmanortec.ro/en/llms/c/131.md): Data storage modules: microSD/SD card slots, MicroSD shields, I2C EEPROM modules and card-based MP3 modules (8 products)
    - [Clock Module](https://sigmanortec.ro/en/llms/c/132.md): RTC modules (DS1307, DS3231, PCF8563) for real-time clock with I2C interface, some with backup battery (5 products)
    - [Camera Module](https://sigmanortec.ro/en/llms/c/135.md): Camera modules and boards with image sensors (OV2640, OV7670, ESP32-CAM) for IoT and facial recognition projects (6 products)
    - [Gas and Air Quality Sensors](https://sigmanortec.ro/en/llms/c/154.md): Sensors and modules for gas, CO2, VOC, dust and air quality: MQ-2/3/4/5/6/7/8/9, MICS, SGP41, SCD41, BME680 (19 products)
    - [Pressure and Weight Sensors](https://sigmanortec.ro/en/llms/c/155.md): Weight and pressure sensors and modules: load cells, HX711 modules, FSR and vacuum pressure sensors (6 products)
    - [Biomedical Sensors](https://sigmanortec.ro/en/llms/c/156.md): Sensors and modules for vital signs: EMG with electrodes, optical pulse/oximeter MAX30100, ECG/EKG with AD8232 (4 products)
    - [ADC and DAC Modules](https://sigmanortec.ro/en/llms/c/221.md): Analog-to-digital and digital-to-analog converter modules: ADS1115, ADS1015, ADS1256, PCF8591, data acquisition via I2C, RS485, UART (7 products)
    - [GSM](https://sigmanortec.ro/en/llms/c/124.md): GSM/GPRS/4G modules and dev boards (SIM800, SIM808, A9G, ESP32-SIM7670G) plus GSM relays for IoT (10 products)
    - [Antennas](https://sigmanortec.ro/en/llms/c/210.md): RF antennas and accessories: 433MHz, 868MHz, 2.4GHz, 4G LTE, GPS, coaxial cables, SMA/IPEX connectors and power splitters. (9 products)
    - [WiFi Modules](https://sigmanortec.ro/en/llms/c/193.md): WiFi modules like ESP8266 and ESP32 for wireless connectivity, IoT, shields and gateways (9 products)
    - [GPS and GNSS Modules](https://sigmanortec.ro/en/llms/c/192.md): GPS/GNSS modules for positioning and navigation: NEO-M8N, NEO6MV2, Quectel RTK modules, drone compass modules and boards with built-in GSM/GPS. (11 products)
    - [Smart Home Modules](https://sigmanortec.ro/en/llms/c/191.md): Smart home modules and controllers: SONOFF wireless relays, touch switches, ESP32-S3 IR controllers for Home Assistant (3 products)
    - [RF and Radio Modules](https://sigmanortec.ro/en/llms/c/188.md): RF and LoRa modules (433/868MHz), NRF24L01 and CC1101 transceivers, remote controls, radio relays and FM/AM radio kits (25 products)
    - [Bluetooth Modules](https://sigmanortec.ro/en/llms/c/176.md): Bluetooth modules for wireless communication: HC-05, HC-06, BLE, beacons, stereo audio modules and Bluetooth amplifiers. (19 products)
    - [Audio and Sound](https://sigmanortec.ro/en/llms/c/32.md): Audio amplifiers, Bluetooth modules, speakers, microphones, buzzers and MP3 modules for sound projects (63 products)
    - [Display and LCD](https://sigmanortec.ro/en/llms/c/30.md): LCD, OLED, TFT, e-paper displays, 7-segment LED displays and HDMI monitors for Arduino and Raspberry Pi (49 products)
    - [AI Modules](https://sigmanortec.ro/en/llms/c/229.md): AI modules for facial recognition, voice recognition and voice assistants based on ESP32-S3 (4 products)
    - [Proximity and Photoelectric Sensors](https://sigmanortec.ro/en/llms/c/252.md): Inductive and photoelectric IR/laser sensors (NPN/PNP) for proximity, obstacle and line detection, including Omron E3Z (26 products)
    - [Magnetic and Hall Sensors](https://sigmanortec.ro/en/llms/c/253.md): Magnetic and Hall sensor modules: AS5600/TLE5012 encoders, digital/analog Hall sensors, reed switches, ACS758/WCS1800/WCS1600 current sensors, HMC5883L magnetometer (11 products)
    - [Capacitive Touch Sensors](https://sigmanortec.ro/en/llms/c/255.md): Capacitive touch sensors and modules (TTP223, TTP226, TTP229) for touch buttons and dimmable control (5 products)
  - [Serial and CAN Converters](https://sigmanortec.ro/en/llms/c/175.md): 21 products
  - [Shields and Expansion Boards](https://sigmanortec.ro/en/llms/c/26.md): Shields and expansion boards for Arduino, ESP8266, D1 Mini: motor drivers, CNC/Ramps, Ethernet, TFT/LCD, CAN BUS (33 products)
  - [Communication, GPS and IoT](https://sigmanortec.ro/en/llms/c/27.md): WiFi and Ethernet modules, ESP8266/ESP-01 adapters, Ethernet shields, industrial 3G/4G routers and fiber optic converters (8 products)
  - [Programming](https://sigmanortec.ro/en/llms/c/28.md): AVR, PIC, STM32, ESP8266 programmers and USB-to-TTL/serial converters, plus SMD-to-DIP IC adapters (21 products)
    - [IC Programming Adapters](https://sigmanortec.ro/en/llms/c/165.md): Adapters and sockets for IC programming, including SMD-to-DIP converters (SOP8, TQFP32) and PICkit3 adapters. (4 products)
  - [Breadboard and PCB](https://sigmanortec.ro/en/llms/c/29.md): Breadboards of various sizes, PCB prototyping boards, breadboard power supplies and SMD-to-DIP adapters (29 products)
    - [Breadboards](https://sigmanortec.ro/en/llms/c/277.md): Solderless breadboards of various sizes (25-830 points), including MB102 kits and prototyping boards for Mega2560 (14 products)
    - [PCB Prototyping Boards](https://sigmanortec.ro/en/llms/c/282.md): Prototyping PCB boards, single/double sided, SMD-to-DIP adapters and Arduino prototyping shield (14 products)
  - [The Kit](https://sigmanortec.ro/en/llms/c/31.md): DIY and educational kits: robotics, car chassis, robotic arms, adjustable power supplies, FM-AM radios, Tesla coils, Arduino/RFID starter kits (54 products)
    - [Robotics Kits](https://sigmanortec.ro/en/llms/c/169.md): Robotics kits: 2WD/4WD chassis, robotic arms, RC cars, ESP32/ESP32-CAM robots, unassembled DIY kits (14 products)
    - [Educational Kits](https://sigmanortec.ro/en/llms/c/201.md): STEM educational kits: electronics experiments, magnetism, Stirling motors, solar robotics, Micro:Bit and Arduino boards (10 products)
    - [DIY Electronics Kits](https://sigmanortec.ro/en/llms/c/215.md): DIY assembly kits: radar, clocks, FM radios, amplifiers, adjustable power supplies, metal detectors and electronic games. (33 products)
    - [Arduino Starter Kits](https://sigmanortec.ro/en/llms/c/275.md): Arduino starter kits with UNO R3/R4 boards, sensors, RFID and wireless modules for learning and projects (5 products)
  - [Motors](https://sigmanortec.ro/en/llms/c/33.md): DC motors, geared motors, coreless motors, encoder motors, linear actuators and electromagnetic solenoid pistons. (26 products)
    - [DC and Gear Motors](https://sigmanortec.ro/en/llms/c/214.md): DC and gear motors: worm gear, TT, N20, JGB37 types, vibration motors and encoder motors, various voltages and RPM (19 products)
    - [Actuators](https://sigmanortec.ro/en/llms/c/103.md): Linear actuators and solenoid electromagnetic pistons for motion and automation (4 products)
  - [Servomotor](https://sigmanortec.ro/en/llms/c/34.md): SG90, MG995, MG996R and serial bus servomotors, with accessories like testers, metal discs and serial drivers (20 products)
  - [Moving step by step](https://sigmanortec.ro/en/llms/c/35.md): Stepper motors such as the 28BYJ48 and various Nema17 models, including planetary gearbox versions, for robotics and automation. (5 products)
  - [Driving Motor](https://sigmanortec.ro/en/llms/c/36.md): Drivers and controllers for DC, stepper and BLDC motors: H-bridges (L298N, L293D), stepper drivers (A4988, DRV8825, TB6600), ESCs. (49 products)
    - [Stepper Drivers](https://sigmanortec.ro/en/llms/c/213.md): Stepper motor drivers such as A4988, DRV8825, TB6600, DM556, ULN2003, plus expansion boards and CNC controllers (11 products)
    - [ESC Controllers](https://sigmanortec.ro/en/llms/c/220.md): Brushless and brushed ESC controllers for drones and RC, including FC stacks and servo/ESC testers (9 products)
  - [The Box](https://sigmanortec.ro/en/llms/c/37.md): Enclosures and project boxes for Arduino, Raspberry Pi and electronic modules (acrylic, plastic, waterproof) (12 products)
    - [Board Enclosures](https://sigmanortec.ro/en/llms/c/218.md): Enclosures for development boards like Raspberry Pi 3B/4B, Pi Zero and Arduino UNO, some with fan or layered acrylic (5 products)
  - [Tools](https://sigmanortec.ro/en/llms/c/38.md): Electronics tools: spot welders, rotary and engraving tools, repair kits, adhesives and workbench accessories (77 products)
    - [Spot Welders](https://sigmanortec.ro/en/llms/c/182.md): Spot welder modules and units for 18650 cells, nickel strip and related accessories (10 products)
    - [Consumables and Adhesives](https://sigmanortec.ro/en/llms/c/194.md): Electronics consumables: Kapton tape, conductive adhesives, thermal paste, silicone, PCB paint and copper repair wire (17 products)
    - [Rotary and Engraving Tools](https://sigmanortec.ro/en/llms/c/209.md): Rotary and engraving tools: electric engravers, diamond bits, chucks, PCB milling bits and mini drills (7 products)
    - [Repair Tool Kits](https://sigmanortec.ro/en/llms/c/211.md): Tool kits and accessories for electronics repair: screwdrivers, tweezers, extractors, magnetic mats, ESD wrist straps (17 products)
    - [Workbench Accessories](https://sigmanortec.ro/en/llms/c/262.md): Workbench accessories: heat-resistant silicone mats, PCB holders, storage boxes, ESD wrist straps, tweezers (17 products)
  - [Ventilator and Radiator](https://sigmanortec.ro/en/llms/c/55.md): 12V/5V fans, passive heatsinks and Peltier modules for cooling components and boards like Raspberry Pi (19 products)
    - [Peltier Elements](https://sigmanortec.ro/en/llms/c/273.md): Thermoelectric Peltier modules (TEC) and fan-cooled heat sink systems for cooling/heating electronics (4 products)
  - [instruments](https://sigmanortec.ro/en/llms/c/56.md): Tools and accessories for mechatronics: programmable RGB keypads and rotating display stands for products (2 products)
  - [Adapters and Converters](https://sigmanortec.ro/en/llms/c/77.md): USB adapters, ESP-01/ESP8266 modules, I2C logic level converters, 4-20mA signal and voltage/current converters (21 products)
    - [Interface and Logic Level Converters](https://sigmanortec.ro/en/llms/c/145.md): Modules for logic level shifting, I2C interfacing, current-to-voltage and optocoupled isolation between 3.3V, 5V, 12V (12 products)
  - [PWM and Frequency generators](https://sigmanortec.ro/en/llms/c/100.md): PWM modules and generators, motor speed controllers, voltage-to-frequency converters and touch dimmers (25 products)
  - [High Voltage Generators](https://sigmanortec.ro/en/llms/c/104.md): High voltage generator modules, Tesla coils, ozone generators and spark ignition modules (8 products)
  - [Pumps and Hoses](https://sigmanortec.ro/en/llms/c/189.md): Peristaltic, submersible and diaphragm pumps 3-12VDC, plus hoses for water/air transfer (5 products)
  - [Gamepads and Controllers](https://sigmanortec.ro/en/llms/c/223.md): Gamepads, joysticks and control modules for electronics and IoT projects (4 products)
  - [Electronic Clocks](https://sigmanortec.ro/en/llms/c/278.md): Electronic clocks and DIY kits: Nixie smart clock with WiFi, LED alarm clocks, LED wristwatch, AT89C2051 kit (4 products)
- [Electronic components](https://sigmanortec.ro/en/llms/c/39.md): Basic electronic components: buttons, LEDs, resistors, capacitors, transistors, ICs, power modules, batteries and accessories. (929 products)
  - [Buttons and Interruptors](https://sigmanortec.ro/en/llms/c/40.md): PCB buttons, switches, DIP switches, rotary encoders and membrane keypads (52 products)
    - [DIP Switches](https://sigmanortec.ro/en/llms/c/186.md): DIP switches with 2, 4, 6 or 8 positions, 2.54mm pitch, for PCB mounting (6 products)
    - [Button Caps and Knobs](https://sigmanortec.ro/en/llms/c/217.md): Button caps for PCB switches and knobs for potentiometers, in various colors and sizes. (9 products)
    - [Rotary Encoders](https://sigmanortec.ro/en/llms/c/269.md): Rotary encoders like EC11 and modules such as KY-040, including OLED display versions, for rotate-and-click control (3 products)
  - [LEDs, IRs and Optics](https://sigmanortec.ro/en/llms/c/41.md): LEDs, LED strips and matrices, laser modules, power LEDs, COB and filament LEDs, infrared modules (68 products)
    - [LED Matrices and Strips](https://sigmanortec.ro/en/llms/c/170.md): Addressable LED strips and matrices (WS2812B) and MAX7219 driver modules, programmable RGB panels, LED rings and silicone diffuser tubes (16 products)
    - [Laser Modules](https://sigmanortec.ro/en/llms/c/177.md): Laser modules with dot, line or cross patterns, laser diodes and receivers for electronics and robotics (7 products)
    - [Power LEDs](https://sigmanortec.ro/en/llms/c/178.md): High-power LEDs (1W-100W), including Cree XLamp modules, for lighting and high-brightness applications (3 products)
    - [COB LEDs and Filaments](https://sigmanortec.ro/en/llms/c/198.md): Rigid COB LED tubes and flexible LED filaments in various colors and voltages, plus Cree XLamp SMD LEDs (8 products)
    - [Infrared Modules](https://sigmanortec.ro/en/llms/c/202.md): Infrared modules and sensors: emitters, receivers, remotes, IR relays and LED controllers (e.g. KY-022, KY-005) (11 products)
  - [Resistants and Potentiometers](https://sigmanortec.ro/en/llms/c/42.md): Fixed and SMD resistors, photoresistors, rotary and multiturn potentiometers, digital potentiometer modules and assorted kits (29 products)
  - [Capacitors, Diodes and Inductors](https://sigmanortec.ro/en/llms/c/43.md): Ceramic and electrolytic capacitors, rectifier, Schottky and Zener diodes, inductors and coils, single or in kits (12 products)
  - [Transistors](https://sigmanortec.ro/en/llms/c/44.md): Bipolar transistors and MOSFETs (IRF, IRLB, TIP, BC547, 2N3055) plus MOSFET switch modules and assorted kits. (24 products)
    - [MOSFETs](https://sigmanortec.ro/en/llms/c/212.md): MOSFET transistors (IRF540N, IRF3205, IRLB3034, etc.) and power switching modules for motors, 3D printers (18 products)
  - [Connectors and Cables](https://sigmanortec.ro/en/llms/c/45.md): Dupont wires, pin header connectors, power connectors, cable terminals, USB cables and heat-shrink tubing for electronics builds. (131 products)
    - [USB Cables](https://sigmanortec.ro/en/llms/c/166.md): USB-A, USB-C, Micro/Mini USB and Lightning cables for data, fast charging or DIY power wiring (10 products)
    - [Power Connectors](https://sigmanortec.ro/en/llms/c/173.md): Power connectors: DC jacks 5.5x2.1, XT60, XT30, T-Plug, GX16, USB Type-C, banana connectors and adapters. (38 products)
    - [PCB Connectors and Terminals](https://sigmanortec.ro/en/llms/c/180.md): PCB connectors, screw terminals, JST XH/PH kits, Wago connectors and balance connectors for board mounting (29 products)
    - [LED Strip Connectors](https://sigmanortec.ro/en/llms/c/184.md): Quick connectors for LED strips (standard and addressable), various shapes and sizes, with or without wires (7 products)
    - [Heat Shrink Tubing](https://sigmanortec.ro/en/llms/c/185.md): PVC heat shrink tubing and insulating sleeves for cables, connectors and 18650 batteries, various diameters and colors (9 products)
    - [Dupont Wires](https://sigmanortec.ro/en/llms/c/216.md): Dupont jumper wires and connectors (male-male, female-female, male-female), breadboard jumpers and alligator clips (14 products)
    - [Pin Headers](https://sigmanortec.ro/en/llms/c/219.md): Male and female pin headers, straight or right-angle, 2.54mm pitch, plus jumpers for breadboard and prototyping (10 products)
    - [Terminals and Lugs](https://sigmanortec.ro/en/llms/c/272.md): Cable lugs, spade terminals and insulated/non-insulated automotive connectors for wiring (3 products)
  - [Integrated Circuits (IC)](https://sigmanortec.ro/en/llms/c/46.md): Integrated circuits: operational amplifiers, NE555 timers, motor drivers, shift registers, microcontrollers and gate drivers (12 products)
  - [Power Supply](https://sigmanortec.ro/en/llms/c/47.md): AC-DC power supplies, PCB power modules, USB chargers, bench power supplies, DIN rail units and Qi wireless modules (49 products)
    - [Lab Power Supplies](https://sigmanortec.ro/en/llms/c/162.md): Adjustable bench power supplies with display, CV-CC mode, for electronics lab use (6 products)
    - [Transformers](https://sigmanortec.ro/en/llms/c/260.md): AC-AC transformers from 220V to low voltages (9V, 12V, 24V), various power ratings, copper core (3 products)
    - [DIN Rail Power Supplies](https://sigmanortec.ro/en/llms/c/264.md): AC-DC power supplies for DIN rail mounting, various power ratings and output voltages (5V, 12V, 24V) (5 products)
    - [USB Chargers](https://sigmanortec.ro/en/llms/c/279.md): USB mains chargers (220VAC) with USB-C and USB-A ports, PD and QC, for power supply and fast charging (2 products)
    - [Wireless Power Modules](https://sigmanortec.ro/en/llms/c/281.md): Wireless inductive charging modules (Qi), transmitters and receivers, 5-24VDC, up to 18W. (4 products)
  - [Battery](https://sigmanortec.ro/en/llms/c/48.md): Li-Ion and LiPo batteries, rechargeable AA/AAA cells, chargers, powerbank kits and accessories like heat-shrink tubing and nickel strip. (91 products)
    - [Battery Chargers](https://sigmanortec.ro/en/llms/c/157.md): Chargers and charging modules for Li-Ion, LiPo, lead-acid and NiMh batteries, with or without balancing (20 products)
    - [Battery Accessories](https://sigmanortec.ro/en/llms/c/160.md): Battery accessories: nickel strip, balance connectors, heat-shrink tubing, spring contacts, holders for 18650 cells (38 products)
    - [Powerbank Kits](https://sigmanortec.ro/en/llms/c/161.md): Powerbank modules and kits with 18650 holders, charge/discharge control, QC/PD fast charging and USB boost converters (19 products)
    - [LiPo Batteries](https://sigmanortec.ro/en/llms/c/267.md): LiPo batteries for drones and RC models, such as TATTU R-LINE with XT60 connector, various capacities and voltages (4 products)
    - [Rechargeable Batteries](https://sigmanortec.ro/en/llms/c/274.md): Rechargeable AA and AAA lithium-ion batteries, 1.5V, USB Type-C charging, in 2- or 4-packs (3 products)
  - [Modules for Batteries](https://sigmanortec.ro/en/llms/c/50.md): Charging, balancing, BMS, UPS modules and level indicators for lithium and lead-acid batteries (111 products)
    - [Battery Level Indicators](https://sigmanortec.ro/en/llms/c/167.md): Modules and LCD displays for showing charge level/status of Li-Ion, Li-Po and lead-acid batteries, 1S-15S (12 products)
    - [BMS Boards](https://sigmanortec.ro/en/llms/c/49.md): BMS modules for protecting and balancing Lithium/LiFePo4 batteries, 1S-5S, various current ratings (3-100A) (37 products)
    - [UPS Modules](https://sigmanortec.ro/en/llms/c/158.md): UPS modules for lithium 18650/LiPo batteries, 5V/9V/12V outputs with automatic source-to-battery switching (8 products)
    - [Charging and Balancing Modules](https://sigmanortec.ro/en/llms/c/256.md): Charging modules for Li-Ion/LiFePo4 batteries (TP4056, IP2312) and active/passive balancers for 1S-10S packs, with Type-C, Bluetooth or display. (45 products)
  - [Battery Holders](https://sigmanortec.ro/en/llms/c/51.md): Battery holders for AA, 9V, CR2032 cells and 18650 batteries in various configurations, with switch or connector (19 products)
  - [Step Down Modules](https://sigmanortec.ro/en/llms/c/52.md): DC-DC step down modules (LM2596, XL4015, XL4005, AMS1117), fixed or adjustable, with or without display, CC-CV (36 products)
  - [Step Up Modules](https://sigmanortec.ro/en/llms/c/53.md): DC-DC step-up modules (MT3608, XL6009, SX1308) and boost power supplies for various power applications (29 products)
  - [Other Tension Modules](https://sigmanortec.ro/en/llms/c/54.md): Power modules: voltage regulators, buck-boost converters, PD/QC trigger boards and LM317/LM7805 stabilizers (30 products)
    - [Voltage Regulators](https://sigmanortec.ro/en/llms/c/257.md): Voltage regulators and stabilizer modules: LM317, LM7805, LM336, AMS117, AVR AS440 for generators (6 products)
  - [Other Components](https://sigmanortec.ro/en/llms/c/57.md): Miscellaneous electronic components: fuse holders, ferrite noise filters, glass fuses and resistive heating wire (4 products)
  - [Relays](https://sigmanortec.ro/en/llms/c/89.md): Electromechanical and solid state relays, optocoupler relay modules, ESP8266 kits, wireless and remote-controlled relays (47 products)
    - [Solid State Relays](https://sigmanortec.ro/en/llms/c/270.md): Solid state relays (SSR), single and multi-channel, 5-40A, 5V high/low level control modules (9 products)
  - [Temperature and Humidity Control](https://sigmanortec.ro/en/llms/c/90.md): Thermostats and temperature/humidity control modules (XH-W, W1209, STC-1000) for heating, cooling and fans (26 products)
    - [Thermostats](https://sigmanortec.ro/en/llms/c/207.md): Digital and mechanical thermostats for temperature and humidity control, XH-W, W1209, STC-1000 modules, thermal relays (24 products)
  - [Electrical valves and Debitmeters](https://sigmanortec.ro/en/llms/c/91.md): Solenoid electrical valves for water/air and flow sensors (debitmeters) like YF-S401 (10 products)
  - [Sockets](https://sigmanortec.ro/en/llms/c/92.md): IC sockets: DIP 6-28 pin, universal 40-pin ZIF socket, TQFP to DIP adapters (9 products)
  - [Testing and Measurement](https://sigmanortec.ro/en/llms/c/93.md): Multimeters, oscilloscopes, signal generators, LCR/LED/battery testers and panel measurement instruments (103 products)
    - [Test Probes and Accessories](https://sigmanortec.ro/en/llms/c/168.md): Banana cables, test hooks, oscilloscope probes, alligator clips and connectors for multimeters and measuring instruments (25 products)
    - [Panel Meters](https://sigmanortec.ro/en/llms/c/190.md): Digital and analog panel voltmeters, ammeters, tachometers and monitors for measuring DC/AC voltage, current and power (26 products)
    - [Signal Generators](https://sigmanortec.ro/en/llms/c/266.md): DDS/RF modules and instruments for signal generation: frequency, PWM, function/waveform generators, multifunction oscilloscopes. (10 products)
    - [Multimeters and Oscilloscopes](https://sigmanortec.ro/en/llms/c/268.md): Digital multimeters, clamp meters and digital oscilloscopes, including DSO138/DSO150 kits and Hantek models (10 products)
  - [Solar Panels](https://sigmanortec.ro/en/llms/c/96.md): Photovoltaic solar panels, MPPT/PWM charge controllers, microinverters and solar tracking modules (13 products)
    - [Solar Controllers](https://sigmanortec.ro/en/llms/c/163.md): MPPT and PWM modules for controlling battery charging from solar panels, various currents and voltages (8 products)
  - [Variators](https://sigmanortec.ro/en/llms/c/99.md): SCR AC voltage regulators and dimmers for power and speed control, 220VAC, up to 6000W (4 products)
  - [Accessories](https://sigmanortec.ro/en/llms/c/102.md): Soldering accessories: solder paste, flux, soldering iron tips, stands, silicone mats, fume extractors and hot air/soldering guns (43 products)
    - [Soldering Stations](https://sigmanortec.ro/en/llms/c/174.md): Soldering stations, digital soldering irons, hot air guns and SMD soldering modules with temperature control (7 products)
    - [Soldering Tips and Handles](https://sigmanortec.ro/en/llms/c/258.md): Soldering iron tips and replacement handles for stations like AE690D, AE380D, AE730D, BST933B (9 products)
  - [Voltage Inverters](https://sigmanortec.ro/en/llms/c/115.md): DC-AC inverter modules and drivers, on-grid solar microinverters, three-phase frequency inverters and accessories like EGS002B (8 products)
  - [Access Control](https://sigmanortec.ro/en/llms/c/121.md): RFID/NFC modules and cards, readers, electromagnetic locks, fingerprint and facial recognition sensors for access control systems (24 products)
    - [RFID Cards and Tags](https://sigmanortec.ro/en/llms/c/200.md): RFID/NFC cards, tags and keyfobs (125kHz, 13.56MHz) like NTAG213/216, S50, EM4100/4305, plus card copiers (8 products)
    - [Locks and Electromagnets](https://sigmanortec.ro/en/llms/c/271.md): Retention electromagnets and electromagnetic locks for access control systems, 5V/12V (3 products)
  - [Protection Module](https://sigmanortec.ro/en/llms/c/126.md): Electronic protection modules: overvoltage, reverse polarity, overcurrent, speaker protection and optocouplers. (9 products)
  - [LED Drivers](https://sigmanortec.ro/en/llms/c/130.md): LED driver modules and controllers: TLC5947 PWM driver, touch dimmers, RGB controllers and LED flashlight drivers (6 products)
  - [ZVS module](https://sigmanortec.ro/en/llms/c/133.md): ZVS modules for induction heating and DC-DC step-up converters, with induction coils (5 products)
  - [Timer Modules](https://sigmanortec.ro/en/llms/c/134.md): Timer modules and delay relays (NE555, programmable, with display) for adjustable time control (7 products)
  - [Component Kits](https://sigmanortec.ro/en/llms/c/179.md): Assorted kits of resistors, capacitors, transistors, diodes, LEDs, potentiometers and SMD or THT connectors. (25 products)
  - [Crystals and Oscillators](https://sigmanortec.ro/en/llms/c/183.md): Crystals and oscillators for clock signal generation, including programmable I2C frequency modules (2 products)
- [Mechanical components](https://sigmanortec.ro/en/llms/c/58.md): Bearings, magnets, shafts, gears, belts, screws and other mechanical parts for DIY and machine projects (97 products)
  - [Bearings](https://sigmanortec.ro/en/llms/c/59.md): Ball bearings, linear bearings (LM8UU, SC8UU) and flanged bearings for mechanisms and 3D printers (17 products)
  - [Magnets](https://sigmanortec.ro/en/llms/c/60.md): Neodymium permanent magnets, electromagnets, Reed switches and magnetizing/demagnetizing devices (9 products)
  - [Axis and Profiles](https://sigmanortec.ro/en/llms/c/61.md): T8 threaded rods, V-Slot aluminum profiles, nuts, POM wheels and guide shaft holders for 3D printers and CNC (11 products)
  - [Elements of Connection](https://sigmanortec.ro/en/llms/c/78.md): Mechanical connection parts: T8 blockers, ball joints, servo linkage connectors for motion systems (3 products)
  - [Gears](https://sigmanortec.ro/en/llms/c/62.md): Gears, gear sets and filament drive gears (MK7, MK8) for mechanisms and 3D printers (6 products)
  - [Pulleys and Belts](https://sigmanortec.ro/en/llms/c/63.md): GT2/2GT timing belts, toothed pulleys and idler rollers for 3D printers and CNC machines (16 products)
  - [Wheels](https://sigmanortec.ro/en/llms/c/64.md): Robotics wheels: TT and N20 wheels, omnidirectional Mecanum wheels, ball caster wheels and RC crawler tires (14 products)
  - [Mounts and Brackets](https://sigmanortec.ro/en/llms/c/187.md): Mechanical mounts and brackets for servos, ultrasonic/IR sensors and NEMA17 stepper motors (7 products)
  - [Screws and Standoffs](https://sigmanortec.ro/en/llms/c/195.md): Screws, hex standoffs, nuts and threaded inserts M2-M8 for mechanical assembly and 3D printers (12 products)
  - [Shaft Couplings](https://sigmanortec.ro/en/llms/c/197.md): Shaft couplings for connecting motors and shafts: flexible couplings, brass couplings, miniature cardan joints (3 products)
- [3D and CNC printers](https://sigmanortec.ro/en/llms/c/66.md): Parts, components, sensors and consumables for 3D and CNC printers: Ramps 1.4, stepper motors, aluminum profiles, extruders. (105 products)
  - [Components and Parts](https://sigmanortec.ro/en/llms/c/76.md): Parts and components for 3D printers and CNC: Ramps 1.4 shields, Nema17 motors, T8 lead screws, aluminum profiles, pneumatic fittings. (59 products)
    - [Pneumatic Fittings](https://sigmanortec.ro/en/llms/c/171.md): Pneumatic fittings and connectors for filament tubing (PC4, PC6) used on 3D printers and CNC (6 products)
  - [Extruders](https://sigmanortec.ro/en/llms/c/94.md): 3D printer extruder parts: hotends, MK8/e3d V6 nozzles, heater blocks, thermistors, PTFE tube, Kapton tape (43 products)
    - [Nozzles and Hotends](https://sigmanortec.ro/en/llms/c/208.md): MK8 and E3D nozzles, complete hotends, heater cartridges and heat blocks, throats and accessories for 3D extruders. (20 products)
  - [3D Printer Sensors](https://sigmanortec.ro/en/llms/c/95.md): 3D printer sensors: autolevel (3D Touch), filament sensors, mechanical/optical endstops, inductive proximity sensors (6 products)
  - [3D Printer Consumables](https://sigmanortec.ro/en/llms/c/265.md): 3D printer consumables: adhesive and magnetic print surfaces for various printer models (2 products)
- [Drones and Radiomodeling](https://sigmanortec.ro/en/llms/c/67.md): Motors, frames, ESCs, flight controllers, propellers, batteries, FPV video and radio controls for drones and RC aircraft. (71 products)
  - [Drone Motors](https://sigmanortec.ro/en/llms/c/68.md): Brushless and coreless drone motors (e.g. 2212, 2207, EMAX ECOII) and CW/CCW propellers with adapters (8 products)
  - [Drone Frames](https://sigmanortec.ro/en/llms/c/69.md): Quadcopter and hexacopter drone frames (QAV250, F450, F550, X600-X6), propellers and anti-vibration plates for flight controllers (7 products)
  - [Drone Electronics](https://sigmanortec.ro/en/llms/c/70.md): ESCs, power distribution boards, GPS modules, telemetry, FPV VTX transmitters, connectors and chargers for drones (21 products)
  - [RC Planes and Kits](https://sigmanortec.ro/en/llms/c/71.md): Foam RC planes and build kits, including remote control (1 products)
  - [Drone battery](https://sigmanortec.ro/en/llms/c/98.md): LiPo batteries for drones, such as the TATTU R-LINE series, in various 4S/6S configurations with XT60 connector (4 products)
  - [Transceivers](https://sigmanortec.ro/en/llms/c/106.md): Radio transceiver modules for drones and RC: telemetry, FPV, antennas and modules on 433/868MHz (3 products)
  - [Flight Controllers](https://sigmanortec.ro/en/llms/c/107.md): Flight control boards for drones and RC aircraft: APM2.8, Pixhawk, F405 FC/ESC stacks, anti-vibration mounts (4 products)
  - [Video](https://sigmanortec.ro/en/llms/c/108.md): FPV components for drones: cameras, video transmitters/receivers, gimbals and fiber optic kits (8 products)
  - [Wheel assembly](https://sigmanortec.ro/en/llms/c/109.md): Wheels, Mecanum omnidirectional wheels, tires, shock absorbers and accessories for RC vehicles and robotics (9 products)
  - [RC motors](https://sigmanortec.ro/en/llms/c/110.md): Brushless and brushed motors, ESC controllers and accessories for RC vehicles (4 products)
  - [Propellers](https://sigmanortec.ro/en/llms/c/164.md): Propellers for drones, RC planes and boats in various sizes and ABS material, plus balancing tools (8 products)
  - [Transmitters and Receivers](https://sigmanortec.ro/en/llms/c/181.md): RC transmitters and receivers for drones and radio-controlled models, such as FlySky FS-i6, FS-GT5 and RadioMaster R81 (4 products)

## Shop information

- [Delivery, Order and Return](https://sigmanortec.ro/en/llms/cms/1.md): Our terms and conditions of delivery
- [General Terms and Conditions](https://sigmanortec.ro/en/llms/cms/3.md): Our terms and conditions of use
- [B2B VAT Exempt](https://sigmanortec.ro/en/llms/cms/7.md): Business orders within the EU with 0% VAT For companies from the European Union, other than those from Romania, who wish to invoice with 0% VAT, it is necessary to create a new …
- [GDPR policy](https://sigmanortec.ro/en/llms/cms/16.md): Personal data and GDPR The data collected from you during browsing, ordering and other occasions are considered private …
- [Guarantee](https://sigmanortec.ro/en/llms/cms/17.md): WARRANTY TERMS The products sold on the site benefit from the legal warranty of conformity, meaning they comply with the specifications presented on the site.
- [Privacy policy](https://sigmanortec.ro/en/llms/cms/18.md): Last updated: October 30, 2023 This Privacy Policy describes our policies and procedures regarding the collection, use and disclosure of your information when you use the Service …
- [Cookie Use Policy](https://sigmanortec.ro/en/llms/cms/19.md): This policy refers to cookies and similar technologies used on the website operated by S.C. Sigmanortec S.R.L., with headquarters in Linia Mare no.
- [Cookie policy](https://sigmanortec.ro/en/llms/cms/20.md): Cookie policy of our store.
- [Terms and Conditions – EU B2B Account (Invoicing without VAT)](https://sigmanortec.ro/en/llms/cms/21.md): 1. Purpose The EU B2B account is intended exclusively for legal entities from the European Union (except Romania), who wish to purchase products from sigmanortec.ro applying the …
- [Business orders within the EU with 0% VAT](https://sigmanortec.ro/en/llms/cms/22.md): For companies from the European Union, other than those from Romania, that want invoicing with 0% VAT, it is necessary to create a new B2B account.

## Popular products

- [Resistor 1/4W, 0.25W, 1%, metal film](https://sigmanortec.ro/en/resistor-1-4w-025w-1-metal-film): 0.16 RON, In stock — Metal film resistor, power 0.25W, 1/4W format, 1% tolerance. Used for current limiting and voltage dividers in electronic circuits, offering good long-term …
- [18650 battery terminal insulation ring, self-adhesive, green](https://sigmanortec.ro/en/18650-battery-terminal-insulation-ring-self-adhesive-green): 0.25 RON, In stock — Self-adhesive green cardboard ring for insulating the positive terminal of 18650 batteries, useful when assembling cells in series or parallel into packs.
- [Jumper 2.54mm , Black](https://sigmanortec.ro/en/jumper-254mm-black): 0.19 RON, In stock — Jumper cap (shunt) with 2.54mm pitch, black color, plastic housing, 2 positions/pins.
- [Mini PCB button, 6x6x5, 2 pins](https://sigmanortec.ro/en/mini-pcb-button-6x6x5-2-pins): 0.36 RON, In stock — Mini PCB button, 6x6x5, 2 pins, reference 33078. This is a compact tactile push button suitable for mounting on a PCB and for direct use on a breadboard.
- [Switch KCD11, 250V 3A, 2 pins](https://sigmanortec.ro/en/switch-kcd11-250v-3a-2-pins): 1.19 RON, Out of stock — Rocker switch KCD11 with 2 pins and 2 stable positions (On/Off), for quick power switching in DIY and electronics projects. Operates up to 250VAC and 3A.
- [LED 5mm, Red](https://sigmanortec.ro/en/led-5mm-red): 0.30 RON, In stock — 5 mm red LED with a supply voltage of 2-2.2 VDC and a viewing angle of 15-30 degrees.
- [Button PCB, Mini, 6x6x5, 4 pins](https://sigmanortec.ro/en/button-pcb-mini-6x6x5-4-pins): 0.36 RON, In stock — Mini tactile push button for PCB mounting, with 4 pins, dimensions 6x6x5 mm and pin spacing of 4.5mm x 6.5mm.
- [40 pin 2.54 female header](https://sigmanortec.ro/en/40-pin-254-female-header): 1.14 RON, In stock — The 40 pin 2.54 female header is a female connector with 40 pins at 2.54 mm pitch.
- [40mm 3W speaker](https://sigmanortec.ro/en/40mm-3w-speaker): 7.50 RON, Out of stock — Compact 40 mm speaker, height 20 mm, rated power 3 W, impedance 4 Ω, sensitivity 83 dB/W, frequency response 0.20-20 kHz, THD ≤ 5%.
- [PCB connector set, terminal, with screw, 4 pins, 5.08-4P, 90 degrees](https://sigmanortec.ro/en/pcb-connector-set-terminal-with-screw-4-pins-508-4p-90-degrees): 2.96 RON, In stock — PCB connector set with screw terminal, 4 pins, 5.08 mm pitch, 90 degree mounting for space saving.
- [Adjustable step-down module LM2596 DC-DC 4.5-40V 3A](https://sigmanortec.ro/en/adjustable-step-down-module-lm2596-dc-dc-45-40v-3a): 6.64 RON, In stock — Adjustable step-down converter for stable power supplies in electronic, industrial or automotive projects, accepts 4.5-40V at input and delivers 1.25-35V …
- [AA battery contact set, flat plus spring](https://sigmanortec.ro/en/aa-battery-contact-set-flat-plus-spring): 0.96 RON, In stock — Set of 2 contacts for building a custom battery holder: one flat positive contact and one spring negative contact, compatible with AA batteries, also usable …
- [PCB connector, 2 pins, KF301-2P, 5mm](https://sigmanortec.ro/en/pcb-connector-2-pins-kf301-2p-5mm): 1.23 RON, In stock — KF301-2P PCB connector with 2 pins, 5.08mm pitch, for board mounting with M2.5 screw wire clamping.
- [18650 battery holder, 1S](https://sigmanortec.ro/en/18650-battery-holder-1s): 2.12 RON, In stock — 18650 battery holder, 1S configuration, for 1 x 18650 Li-Ion battery, supply voltage 3.7 V. Features 2-wire output, marked polarity and a durable housing.
- [PCB button, 12x12x7.3mm](https://sigmanortec.ro/en/pcb-button-12x12x73mm): 1.33 RON, In stock — Tactile PCB-mount button, momentary type (non-latching), with dimensions of 12 x 12 x 7.3mm.
- [ESP32 development board, ESP-WROOM-32, WiFi and Bluetooth BLE, DevKit1](https://sigmanortec.ro/en/esp32-development-board-esp-wroom-32-wifi-and-bluetooth-ble-devkit1): 42.12 RON, In stock — Versatile solution for IoT and automation projects with wireless connectivity, offers integrated 2.4GHz WiFi and Bluetooth BLE for fast communication with …
- [Female Plug 5.5x2.1](https://sigmanortec.ro/en/female-plug-55x21): 1.51 RON, In stock — DC female plug 5.5x2.1 for power supply, designed for panel mounting with hole fixing.
- [5mm LED, Green](https://sigmanortec.ro/en/5mm-led-green): 0.30 RON, In stock — 5mm green LED intended for indicator lights and signaling in electronic assemblies. Supply voltage 3 - 3.4VDC, viewing angle 15 - 30 degrees.
- [BMS module, 1S, for lithium battery](https://sigmanortec.ro/en/bms-module-1s-for-lithium-battery): 2.71 RON, In stock — BMS module 1S for lithium battery (Li-Ion), reference 33214. Charging voltage 4.2VDC, nominal current 2A, no balance function.
- [18650 battery terminal insulation ring, self-adhesive, white](https://sigmanortec.ro/en/18650-battery-terminal-insulation-ring-self-adhesive-white): 0.28 RON, In stock — Self-adhesive ring for insulating the positive terminal on 18650 batteries, useful when assembling battery packs in series or parallel.

## Agentic commerce

- [UCP business profile](https://sigmanortec.ro/.well-known/ucp): Universal Commerce Protocol, version 2026-04-08
- REST endpoint: https://sigmanortec.ro/ucp/v1
- MCP endpoint: https://sigmanortec.ro/ucp/mcp

## Optional

- [Full product catalogue](https://sigmanortec.ro/en/llms-full.txt): all 1872 products with prices, availability and specifications, grouped by category
- [XML sitemap](https://sigmanortec.ro/1_index_sitemap.xml)
- [Română (Romanian)](https://sigmanortec.ro/llms.txt): aceasta prezentare in romana
- [Italiano (Italian)](https://sigmanortec.ro/it/llms.txt): questa panoramica in italiano
- [Deutsch (German)](https://sigmanortec.ro/de/llms.txt): diese Übersicht auf Deutsch
- [Magyar (Hungarian)](https://sigmanortec.ro/hu/llms.txt): ez az áttekintés magyarul