MH-Z19C NDIR CO2 Sensor 400-5000ppm
CO2 sensor MH-Z19C, UART and PWM output, NDIR, 400-5000ppm
Last items in stock
NDIR sensor for measuring CO2 in the range of 400-5000 ppm, ideal for monitoring air quality in domestic and light industrial projects. It has temperature compensation, 3.3 V TTL UART output and PWM for quick integration with Arduino, ESP or STM32. It operates at 5 V, warms up in about 1 minute, T90 response under 120 s and average consumption under 40 mA.
57.06 €
SGP41 air quality sensor module, VOC and NOx, I2C, 1.6V
SGP41 air quality sensor module, VOC and NOx, I2C, 3.3V
In Stoc
Compact module for real-time air quality monitoring, detects VOC and NOx with Sensirion MOX technology, I2C communication for quick integration with Arduino, ESP32, Raspberry Pi or STM32, operates at low 3.3V voltage ideal for battery-powered devices, suitable for smart home, HVAC, purifiers and portable weather stations.
13.29 €
ESC 30A bidirectional brushed 4.8-8.4V
ESC 30A bidirectional, Brushed, FRB functions, 4.8–8.4V
In Stoc
30A bidirectional speed controller for brushed motors, ideal for RC cars and boats, robots or DIY projects, offers forward, reverse, brake modes for precise control and fast response. Operates at 4.8–8.4V with 2S LiPo or 4–7 NiCd cells, supports 30A forward 20A reverse and 40A peak, compatible with 130 180 260 280 380 motors.
4.96 €
PT100 temperature probe needle type, SUS304 stainless steel
PT100 temperature probe needle type, SUS304 stainless steel, FEP shielded cable, -50~200°C, class F0.15
In Stoc
PT100 needle probe for fast and accurate measurements in liquids, solids and foods, with a thin SUS304 stainless steel rod that is resistant to corrosion and easy penetration. The shielded FEP cable provides a stable signal and operation between -50 and 200°C, the 1/4 NPT watertight mounting is ideal for tanks and industrial processes, and the detachable spring-lock connector simplifies cleaning.
11.77 €
ESP32 expansion board in UNO format, 6.5–16V
ESP32 expansion board in UNO format, 6.5–16V,
In Stoc
Allows quick integration of an ESP32 or ESP32S module into UNO type projects, with GVS connectors for tidy wiring of sensors and servos. Offers flexible power supply via USB Type-C, Micro USB or DC 6.5-16V jack with integrated regulator, selectable 3.3V or 5V output from jumper and dedicated I2C connectors. Includes PWR LED for power confirmation.
2.91 €
GSM relay module, gate opener, G202 Plus, 9-24V, 2G
GSM relay module, gate opener, G203, 9–24V, 2G
In Stoc
GSM relay module for gate opening and access control, fast activation by rejected call or SMS, works on 2G network and is powered at 9-24V. It allows storing up to 1001 authorized numbers and defining administrators and users, includes an external antenna and Nano SIM slot, COM NC NO relay output with configurable pulse time.
47.27 €
MQ-137 gas sensor NH3 CO 5V module
NH3 and CO Gas Sensor, MQ-137, Ammonia, Analog and Digital, 5V
In Stoc
MQ137-based sensor module for detecting ammonia NH3 and carbon monoxide CO, ideal for air monitoring projects and security systems. It offers 0-5V analog output for concentration estimation and TTL digital output with LM393 comparator, has adjustable threshold from potentiometer and fast response under 1s, operates at 5V and is compatible with Arduino, ESP32 and Raspberry Pi.
34.63 €
8-layer stacked acrylic case Raspberry Pi 3B+ 4B
Raspberry Pi3B+ and Pi4B 8-layer Acrylic Case Kit
In Stoc
Acrylic tiered case for Raspberry Pi 3B+ and 4B, ideal when you need a modular structure for complex projects or multiple boards. The 8-layer system is easy to assemble as you expand your configuration, provides stability through brass pillars and M3 screws, leaves space for ventilation and quick access to cables and connectors.
29.03 €
Freenove UNO R4 WiFi starter kit, 286 pieces
Out-of-Stock
Freenove UNO R4 WiFi Starter Kit, 286 pieces
Out-of-Stock
Complete kit to learn Arduino, electronics and robotics through 78 guided projects, with UNO R4 WiFi board and integrated LED matrix, generous set of sensors, motors and displays for experiments from basic to advanced, PDF tutorial in English for quick setup and step-by-step exercises, ideal for school, laboratory or hobby.
91.56 €
INA260 voltage and current sensor module 36V 15A
Out-of-Stock
Voltage and Current Sensor Module, INA260, 36V, 15A
Out-of-Stock
The INA260 module allows you to precisely monitor voltage, current and power in Arduino and other board projects, ideal for batteries, power supplies and motor control. It measures up to 36V and 15A, offers fine resolution of 1.5mA and accuracy of approximately ±1%, communicating simply via I2C at 3.3-5V.
24.21 €
DIY Calculator Kit LCD1602, PCB and LCD display
DIY Calculator Kit, LCD1602
In Stoc
Unassembled DIY kit with LCD1602, ideal for learning the principles of digital computing by assembling on PCB and using immediately. Offers basic arithmetic operations, decimal-hexadecimal conversion, resistor calculator by 4 or 5 band color code and LED resistance calculation. Works with 2 CR2032 batteries not included, plastic case.
16.64 €
Self-balancing Triangle Robot Kit ESP32
Robot kit, Self Balancing Triangle, ESP32
Last items in stock
Self-balancing intelligent robot based on the LQR algorithm, ideal for control and programming experiments. It uses a motor-driven metal wheel as a stabilizer, runs on ESP32 programmable in Arduino IDE or PlatformIO, includes RGB lights for visual feedback and comes ready assembled. It is easily charged via USB Type-C and runs on a LiPo battery, compact and lightweight for quick demonstrations.
105.73 €
Smart Car 4WD WiFi Kit with ESP32-CAM
Kit Smart Car 4WD, WiFi, ESP32-CAM, with Tutorial
Last items in stock
Build a complete 4WD robot, controllable via WiFi, with real-time video transmission for robotics and automation experiments. Includes ESP32-CAM board with WiFi and Bluetooth, web interface for control from phone or PC, external antenna for stable signal and sturdy acrylic chassis with 4 independent motors. Comes unassembled, with English tutorial for assembly and programming.
82.19 €
Mini ultrasonic radar kit, 1.8 TFT, UNO R3
Mini Radar Kit, DIY, Ultrasound, 1.8 Display and UNO R3
In Stoc
DIY kit for making a mini radar with ultrasonic obstacle detection, based on UNO R3 compatible board. Includes HC-SR04 sensor and SG90 servo motor for scanning, 1.8 inch color TFT display with real-time graphics, easy integration into Arduino IDE, ideal for educational projects and distance measurement experiments.
73.25 €
T-Camera S3 Development Board, ESP32, Camera, OLED, PIR
T-Camera S3 Development Board, ESP32, Camera, OLED, PIR, Microphone
Last items in stock
Smart board for IoT and embedded projects with video monitoring and motion detection, based on ESP32-S3 dual core with Wi-Fi and Bluetooth. Integrates OV2640 2MP HD camera, 0.96 OLED screen for status display, microphone for audio capture and PIR sensor for quick triggering. Ideal for automation, surveillance, notifications and rapid prototyping.
64.03 €
25 cm Cyclotron electromagnetic accelerator kit
Circular Electromagnetic Accelerator Kit, Cyclotron
In Stoc
Demonstration device for visualizing the movement of charged particles and circular acceleration, with a circular track on a durable acrylic base and 4 electromagnetic coils controlled by 4 inductive sensors that propel the balls along the path. LEDs on the coils confirm each detection, the compact construction offers an intuitive presentation, ideal for laboratories and classroom demonstrations.
71.52 €
ESP32-C6 Development Board, Waveshare, 1.47 LCD, WiFi and
ESP32-C6 Development Board, Waveshare, 1.47 LCD, WiFi and Bluetooth
In Stoc
ESP32-C6 development board for IoT projects and graphical interfaces, with RISC-V processor up to 160 MHz, 1.47 color LCD screen controlled by ST7789 for fluid UI, WiFi 6 and Bluetooth 5 connectivity for quick integration, Micro SD slot for files and RGB LED for signaling. Arduino IDE and LVGL compatible.
32.04 €
2WD aluminum chassis kit with wheels and 6V motors
2WD Chassis Kit, Aluminum, Frame, Wheels and 6V Motors
In Stoc
2WD aluminum chassis, sturdy and lightweight, ideal for educational and hobby robotics projects. Includes two 6V DC geared motors, two good grip wheels and a swivel wheel for stability, turning is done by speed difference for precise control. The perforated frame allows for quick mounting of sensors and boards, compatible with Arduino and double H-bridge.
13.74 €
Worm gearmotor 5840-31ZY 12V 12RPM
Out-of-Stock
Worm gear motor, 5840-31ZY, 12RPM, 12V
Out-of-Stock
DC motor with worm gear for applications requiring high torque and self-locking, ideal in mechanisms, automation or robots where the position must be maintained without power. It operates at 12V, delivers 12 RPM in no-load and approx. 70 kg/cm torque, has a high reduction ratio for increased force, 8 mm shaft for secure coupling and robust construction.
25.55 €
GY-8511 ML8511 UV sensor module 3.3V
UVA and UVB sensor module, GY-8511, Analog, 3.3V
In Stoc
The ML8511 sensor module accurately measures UVA and UVB radiation intensity for educational projects, laboratory or solar monitoring, operates at 3.3V and provides easy-to-read linear analog output with Arduino, ESP32 or Raspberry Pi, covers 280–390 nm and SOI CMOS integration ensures stable signal with low noise in a compact form factor.
25.59 €
IRF540N MOSFET Module 4 Channel 5V
IRF540N module, 4 channels, 5V
In Stoc
4-channel MOSFET module for safe control of DC loads such as LED strips, motors or electronic modules, compatible with Arduino and other boards. It operates at 5V supply and accepts 3.3-5V signal, the channels activate at HIGH, has PS2801-4 optoisolation with common GND and status LED on each channel, supports up to 100V and 10A per channel.
4.71 €
Mini Gigabit Fiber Optic Converter Set A B 1000Mbps
Mini Gigabit converter set for fiber optic, A and B, 1000Mbps
In Stoc
Quickly expand your single mode fiber optic network using a single fiber, with stable bidirectional communication between modules A and B. Provides 10 100 1000 Mbps speeds, auto-adaptive Gigabit RJ45 port and SC UPC or APC connection, plug and play installation and reliable operation up to 3 km, ideal for building links, IP surveillance and industrial applications.
20.57 €
Active buzzer module with LED for PixHawk PX4
Active Buzzer Module with LED, for PixHawk PX4, alarm, 3.3V
In Stoc
The alarm module for Pixhawk PX4 with active buzzer and red LED, provides a loud audible warning and visual signal for low battery, failsafe or signal loss, helping to quickly locate the drone after an uncontrolled landing. It is powered by 3.3V, has a manual stop button, is compact and lightweight, and connects easily through the Buzzer and Switch interfaces.
5.83 €
ESP32-S3 development board with 1.47 LCD
ESP32-S3 Development Board, 1.47" LCD, WiFi, Bluetooth, USB
In Stoc
The ESP32-S3 development board with 1.47 inch LCD display is ideal for IoT prototypes and compact graphical interfaces, offering a dual core processor up to 240 MHz, WiFi and Bluetooth 5 connectivity, ST7789 screen with fluid display and Micro SD slot for storage, fast programming via USB and Arduino IDE and ESP-IDF compatibility.
34.88 €
WCS1600 Hall current sensor module 100A
Hall sensor module WCS1600, AC-DC, 100A
In Stoc
Module for non-invasive measurement of AC or DC current, ideal for monitoring consumption without interrupting the circuit. Offers analog output proportional to current and digital output with adjustable threshold for simple triggering, operates at 5V and supports up to ±100A DC or 70A AC. The conductor passes through a 9 mm hole for quick mounting.
15.07 €
Omron E3Z-D62 proximity sensor 12-24V NPN
Proximity Sensor, Omron, E3Z-D62, Digital, 12-24V, NPN
In Stoc
Reflective proximity sensor for precise object detection in industrial automation, with NPN digital output at 12-24V for easy integration into PLC. Offers distance adjustment 5-50 cm and NO or NC selection, has status LED for quick monitoring. Compact and robust PBT housing, includes metal base for secure mounting.
16.27 €
GZ03 DC motor overload protection module 6-28V 5A
Motor Overload Protection Module, 6-28V, 5A, PWM DC
In Stoc
It protects DC motors and circuits powered by 6-28V against overcurrent, short circuit and motor stall, also compatible with PWM control. It allows adjustment of the current threshold and trip delay, operates in automatic mode with timed reset or manually via jumper, and the power and alarm LEDs provide quick diagnosis.
12.05 €
Two-component mixing tray with PLA spatula 50x70mm
Two-component Mixing Tray with Spatula, PLA, 50x70mm
In Stoc
Compact tray with spatula for quick mixing of two-component adhesives, 3D printed from PLA, offers 50x70mm inner surface and good control when dosing. Spatula with two flat ends, 5.5mm and 3.5mm , allows efficient homogenization and direct application to the work area. Reusable, easy to clean immediately after use.
3.00 €
DC Voltage Monitoring Module 0-99.9V, 12V, Charge-Discharge
DC Voltage Monitoring Module 0-99.9V, 12V, Charge-Discharge Protection Relay
In Stoc
Digital module for monitoring DC voltage 0-99.9V and automatic control of a 10A relay, ideal for protecting batteries and sources in charging or discharging applications. Allows setting of minimum and maximum thresholds in 0.1V steps, displays voltage on LED display, includes 7 working modes for flexible control and calibration from buttons.
6.78 €
HolyIOT 21014 Bluetooth 5.0 beacon module IP67
Bluetooth 5.0 Beacon Module, HolyIOT, 21014
In Stoc
BLE 5.0 beacon for location, monitoring and traceability in industrial applications, based on Nordic nRF52810 chip for stable transmission up to 50 m in open space. It has a compact and IP67 sealed housing, quick configuration from the HolyIOT Beacon application and integrated accelerometer for motion detection, powered by CR2032 battery for long-term use.
23.20 €
Experimental Stirling engine model with LED generator
Out-of-Stock
Stirling Engine Experiment Model, Hot Air
Out-of-Stock
Fully functional experimental model for thermodynamics demonstrations, made of metal and operated by temperature difference. It heats up with the included lamp and starts by gently pushing the flywheel, and through the pulley and belt it drives an electric motor used as a generator, allowing an LED to light up to observe the production of current. Ideal for students, teachers, enthusiasts and decorative gift.
37.93 €
Peltier Cell SP1848-27145 SA 40mm 12V
Peltier cell SP1848-27145, 40mm, 12V
In Stoc
Compact thermoelectric module for recovering energy from heat sources at low temperatures, transforming the temperature difference into current through the Seebeck effect. Made of bismuth telluride, size 40x40x3.6 mm, operates between -60 and 125C and can generate up to 4.8V at deltaT 100C. Simple connection via red plus and black minus wires, scalable in series-parallel for higher power.
4.51 €
4G industrial router, USR-G806S, IoT, RS485, WiFi, RTU to TCP
4G industrial router, USR-G806S, IoT, RS485, WiFi, RTU to TCP, 9-36V
Last items in stock
Industrial 4G router for secure connectivity in IoT and automation applications, offers fast internet access and equipment interconnection via 4G, WiFi and 2 Ethernet WAN LAN ports. Integrates RS485 with Modbus RTU to TCP conversion, supports VPN for remote access, operates at 9-36V and includes 4G and WiFi antennas.
197.71 €
4-20mA converter 1IN 4OUT, 24VDC, DIN rail
Signal converter 1IN, 4OUT, 4-20mA Input, 4-20mA Output, 24VDC
In Stoc
Industrial signal converter that distributes a single 4-20mA analog signal to four devices, maintaining measurement stability. Offers 4 galvanically isolated 4-20mA outputs to eliminate ground loops and interference, 0.1% FS accuracy and response time below 10 ms. 24VDC power supply, quick mounting on 35mm DIN rail.
43.05 €
Resistive touch screen, 5.6inch, ST-05601, 5V
Resistive touch screen, 5.6inch , ST-05601, 5V
In Stoc
5.6 inch resistive touch screen, ideal for Arduino projects and other development boards where you need precise touch position detection and touch control. It operates at 5V and is compatible with 5V logic, responds quickly under 6 ms, can be operated with gloves, pen or any object, suitable for interactive applications and industrial prototyping.
31.03 €
6-axis metal robotic arm kit, compatible MG996R
Robotic Arm Kit, Metal, 6 Axis
In Stoc
Unassembled kit for building a 6-degree-of-freedom robotic arm, ideal for STEM projects and hands-on learning. The 2 mm aluminum construction provides rigidity and durability, supports the handling of heavier objects, is compatible with 6 MG996R servo motors and operates at 4.2-7.8 V. Includes only the mechanical elements and mounting accessories.
39.83 €
Omron E3Z-D61 NPN proximity sensor 12-24V
Proximity Sensor, Omron, E3Z-D61, Digital, 12-24V, NPN
In Stoc
Proximity/distance sensor for precise object detection in industrial automation, with NPN digital output at 12-24V for easy integration into PLC. Offers 3-20 cm distance adjustment and NO/NC selection, LED indicator for real-time status, compact and robust housing, includes metal base for quick mounting.
15.34 €
Omron E3Z-D81 PNP proximity sensor
Proximity Sensor, Omron, E3Z-D81, Digital, 12-24V, PNP
In Stoc
Reflective photoelectric sensor for precise object detection in industrial applications, with PNP digital output and 12-24V power supply. Offers 3-20 cm distance adjustment and NO or NC selection for easy integration into automation. The integrated LED quickly indicates the operating status, and the compact housing and included metal support allow safe mounting on machines and production lines.
15.53 €
MicroSD Sniffer Adapter with breakout pins for SPI testing
MicroSD Sniffer Adapter, SPI Test
In Stoc
Adapter for testing and debugging SPI communication between microSD card and microcontroller, allows real-time sniffing and signal visualization with logic analyzer or oscilloscope. It has a standard microSD socket and connector that plugs directly into the port, plus 2.54mm breakout pins for quick access to CLK, CMD, DAT0, VCC and GND on breadboard or test leads. Ideal for rapid development and diagnostics.
1.76 €
Omron E3Z-D82 PNP proximity sensor 12-24V
Proximity Sensor, Omron, E3Z-D82, Digital, 12-24V, PNP
In Stoc
Digital proximity sensor for precise detection at 5-50 cm in industrial applications, with PNP 12-24V output for quick integration into automation. The integrated LED instantly indicates the operating status, and the semi-adjustable adjustment allows distance adjustment and selection of NO or NC mode. The robust housing and metal base ensure safe mounting in production lines and handling equipment.
16.35 €
Alarm siren with light and sound 120dB 5-12V
Alarm siren with light and sound, 120dB, 5-12V
In Stoc
Siren module for alarms with flashing light and 120 dB acoustic signal, ideal for burglar and automation systems where clear remote warning is required. It operates at 5-12V DC, has fast lighting 150 flashes per minute, resistant ABS housing, compact format for easy installation.
4.60 €
ESP32 development board CH340C USB-C 30P
ESP32 Development Board, CH340C, 30P, USB-C, WiFi and Bluetooth
In Stoc
Versatile solution for IoT and automation projects, with integrated 2.4 GHz WiFi and Bluetooth BLE for fast connection to network and devices. Offers dual-core processor up to 240 MHz and 4 MB flash for complex applications, simple programming via USB-C with CH340C. Compatible with Arduino IDE, MicroPython and Lua, includes SPI, I2C and UART interfaces for sensors and modules.
8.16 €
4-channel 20mm atomizer module USB-C 5V
Atomizer Module, 4 channels 20mm, USB-C, 5V
In Stoc
Atomization module with 4 channels and 20mm piezo discs, generates fine mist for humidifying plants, fountains or DIY projects, simple power supply via USB-C at 5V, offers simultaneous, dynamic or incremental spray modes, uses microporous foil for efficient nebulization and extended coverage.
5.64 €
LCD 1602 Display for EGS002B EG8010
LCD display for EGS002B, 1602
In Stoc
LCD display 1602 for EGS002B provides real-time monitoring of inverter parameters, clearly displaying voltage, frequency, consumption and temperature. It connects directly to the LCD port of the board, is compatible with EG8010 and works without additional programming. 2x16 character format, board power supply, compact dimensions for easy integration.
8.11 €
DS3235MG metal servo motor IP66 35kg 7.4V
Servomotor DS3235MG, Metal, IP66, 35KG, 7.4V
In Stoc
Robust servo for RC, boats and robots, ideal when you need strength and precision in difficult conditions. Offers torque up to 35kg/cm at 7.4V, metal gears for durability, IP66 water protection and PWM control, operates on 5-8.4V compatible Li-Ion 2S, with 180 movement and fast response.
41.36 €
DS5160SSG Metal Servo Motor IP67 7.4V 70kg
Servomotor DS5160, Metal, IP67, 60KG, 7.4V
In Stoc
Powerful and precise servo motor for robotic and industrial applications, with metal gears and IP67 protection for use in harsh environments. Offers torque up to 70kg/cm and 180° angle, operates at 6-8.4V being ideal for 2S 7.4V LiPo batteries, simple PWM control, includes metal arm for robust mounting.
57.48 €
2.23 inch OLED Display Waveshare shield 128x32
2.23inch OLED Display Module, Shield, Waveshare
In Stoc
The compact OLED display module for displaying text, icons and system information in embedded projects, mounts quickly as a shield on boards such as Raspberry Pi Pico, Pico W, RP2040 or Jetson Nano. The 2.23 inch screen with 128x32 resolution offers high contrast and low power consumption, uses the SSD1305 driver and supports SPI communication by default or I2C by hardware reconfiguration.
57.54 €