PCB thermal transfer foil, A4

In Stoc

A4 thermal transfer foil for PCB prototypes, ideal for fast transfer of traces onto copper with laser printers. Print on the glossy side, attach to the board and transfer with an iron, then peel off easily for a clear outline. Allows for simple corrections with alcohol or acetone before etching. Minimum quantity 20 pieces.

0.30 €

Photoresistor (5537) 5mm

In Stoc

5mm 5537 type photoresistor for detecting light intensity in electronic and automation projects, supports up to 150VDC and 150mW, has peak sensitivity at 540nm, resistance 18-50 Kohm at 10 lux and 2 Mohm in the dark, with fast response time 20ms on rise and 30ms on fall.

0.34 €

Milling cutter for PCB and engravings 0.1mm

PCB and engraving cutter 0.1mm

In Stoc

Tungsten carbide cutter for precise circuit tracing on PCBs and fine engraving in wood or metal, ultra-thin 0.1mm tip for clear details, 10 degree angle for controlled cutting, standard 3.175mm shank compatible with most CNC and mini routers, 33mm length for stability while working.

3.09 €

GT2 timing pulley 20 teeth 8mm diameter

In Stoc

Timing pulley for GT2 belt drives, ideal for 3D printers, CNC and automation, ensures precise movement and stable synchronization. It has 20 teeth for constant pitch, 8 mm base for firm mounting, 6 mm belt width, 8 mm bore compatible with standard shafts, compact construction for tight spaces.

0.79 €

Water Pump Hose 6x8mm, 1 meter

In Stoc

Flexible silicone hose for water supply to DC 3-6V submersible pumps, ideal for electronic projects, aquariums and recirculation systems. It has an inner diameter of 6mm and an outer diameter of 8mm for a firm connection, remains elastic and easy to mount on the connections, is sold by the linear meter and is cut to the ordered length.

1.26 €

DDS Function Generator, Adjustable Frequency

In Stoc

Unassembled kit for fast generation of test signals up to 8MHz, useful in laboratory, service and embedded projects. Offers multiple waveforms, adjustable amplitude and offset, 1602 LCD display with keypad for quick control, two outputs for DDS and HS rectangular signal, remembers the last setting on restart.

21.68 €

Electromagnetic Lock 12V

In Stoc

12V electromagnetic lock for access automation in DIY projects and security systems, it unlocks when voltage is applied by withdrawing the bolt, and without power it remains free. Includes mounting bracket and screws for quick installation, has compact dimensions of 53 x 26 x 23 mm, is easily controlled with the development board and relay, operates at 12VDC with start and from 9V for demonstration purposes.

8.29 €

Mini electromagnetic lock, 12V

In Stoc

Mini solenoid type electromagnetic lock, ideal for access control and automation projects, opens when powered and retracts the rod at 12VDC, when not powered it remains free. Includes support and screws for quick assembly, compact dimensions 27 x 17.6 x 16 mm, operates from a minimum of 9V, easy to control with development board and relay.

6.59 €

Battery Indicator 2S 8.4V

In Stoc

Quickly displays the charge level for Li-Ion 2S 8.4V packs, at the press of a button the LEDs indicate the battery status in stages. Compatible with 3.7V x 2 cells only, easy to integrate into electronic projects and portable equipment, slim format 62 x 15.8 x 2.7 mm for discreet mounting.

2.72 €

3S 12.6V Battery Indicator

In Stoc

LED indicator for 3S 12.6V Li-ion batteries, quickly shows the charge level at the push of a button, useful for instant checks in electronic projects, battery packs and portable equipment. LED display for easy reading, compatible with 3 x 3.7V configuration, slim and compact format, dimensions 62 x 15.8 x 2.7 mm.

2.86 €

4S 16.8V Battery Indicator

In Stoc

LED indicator for 4S 16.8V lithium batteries, quickly displays the charge level at the push of a button. Provides clear visual indication with multiple LED steps, is compatible with 4S 3.7V per cell packs, has a slim and easy-to-integrate format, dimensions 62 x 15.8 x 2.7 mm.

2.97 €

Kit 300 multilayer ceramic capacitors, 10 values, 50V box

In Stoc

Practical set for prototyping and electronic repairs, includes 300 multilayer ceramic capacitors in 10 common values, from 10pF to 100nF, nominal voltage 50V, 30 pieces of each value. Delivered in a plastic box with compartments, for quick organization and easy access to components.

9.26 €

Solar car kit

In Stoc

DIY educational kit that helps children understand firsthand how light is transformed into movement, is assembled by hand to develop dexterity and patience, made of durable ABS, works exclusively with solar energy without batteries, moves stably in direct sunlight, ideal for STEM play and simple experiments at home.

3.51 €

Kit 300 Stainless Steel Philips Screws

In Stoc

Practical set for assemblies and repairs in electronics, fine mechanics or DIY projects, includes 300 stainless steel Philips screws, resistant to corrosion and wear, suitable for precise and secure fastenings, M3 thread for wide compatibility, delivered in a compartmentalized box for quick organization and easy access.

13.11 €

Sensor Starter Kit, Arduino compatible

In Stoc

Complete set of Arduino-compatible sensors and modules, ideal for quick learning and prototyping of electronic projects. Includes motion, vibration, sound, light, temperature and humidity detection, plus switches, joystick, encoder, 5V relay and IR receiver transmitter, for easy testing, quick breadboard integration and practical expansion of DIY and industrial applications.

23.46 €

Acrylic robotic arm kit 4 axes

In Stoc

Unassembled kit for making a 4-axis robotic arm, ideal for educational projects, prototyping and automation experiments. Includes acrylic structure and complete set of screws and nuts for assembling the frame, allows precise movements on 4 degrees of freedom, is compatible with SG90 and MG90S servomotors, assembly tutorial is available in PDF format.

9.76 €

Breadboard Kit MB102 + Power Supply + Dupont Wires

In Stoc

Ideal for rapid prototyping and solderless circuit testing, this kit includes the MB102 breadboard with dedicated power supply and a set of dupont wires for secure connections. It provides stable power directly to the rail, allows easy assembly organization, has good compatibility with Arduino boards and common modules, is quick to assemble and is suitable for laboratory, school or DIY projects.

5.45 €

Electronic clock kit, AT89C2051

In Stoc

DIY kit for making a fully functional electronic clock with display, ideal for learning and electronics projects. It uses AT89C2051 microcontroller, operates on 6–12 V power supply, includes 90 x 70 mm PCB for quick assembly, and the firmware can be rewritten with the .bin file available at Download, using a compatible programmer.

5.58 €

Complete kit e3d v6, Bowden, 12V

In Stoc

Complete e3d v6 type kit for Bowden configurations on 3D printers, ideal for long distance power supply and stable extrusion at 12V. Includes heating block with 40W cartridge and thermistor for precise temperature control, 0.4 mm nozzle for balanced prints, radiator with fan for efficient cooling, plus pneumatic connectors and Teflon tube for safe filament guidance.

11.04 €

Complete kit e3d v6, direct, 12V

In Stoc

Complete kit for direct extrusion 3D printers, ideal for stable melting and precise printing. Operates at 12VDC, includes heating block with 40W cartridge and thermistor for good temperature control, 0.4 nozzle for balanced details, heatsink with fan and support for efficient cooling and reduced clogging.

10.05 €

Rectifier Diode Kit 1N4007 45mm 1000 pieces

In Stoc

Set of 1000 1N4007 rectifier diodes, ideal for rectification and reverse polarity protection in power supplies, electronic projects and repairs. Offers maximum voltage 1000 V, rated current 1 A, axial mounting with 45 mm pins for easy soldering, suitable for general use and workshop stock.

11.98 €

1W Zener diode kit, 25 values, 250 pieces

In Stoc

Practical set of 1W Zener diodes for stabilization and overvoltage protection in electronic projects, includes 25 values between 3V and 33V, total 250 pieces, 10 of each value, ideal for prototyping, service and laboratory, quick selection of the required voltage and compatibility with common applications through THT mounting.

8.65 €

J-Head 2 in 1 extruder kit, Bowden, mixed colors

In Stoc

Allows mixing of two colors in a single print head, ideal for gradient effects in Bowden configurations. Includes common hotend with a single thermistor and a single heater, 12V 40W heater for stable heating, requires connection to two stepper motors and firmware modifications, teflon tube to the motor is not included.

11.18 €

Acoustic switch kit, ICSK050A (Kit)

In Stoc

Acoustic control module for simple automation, switches the output with each clap, generates a 5V signal upon detection and returns to LOW upon the second detection, 5VDC power supply, high sensitivity in the 3kHz range for fast response, ideal for use with a 5V relay to control lights or other consumers.

3.59 €

ST-Link V2 compatible programmer for STM32 and STM8

ST-Link V2 STM8 STM32 Compatible Programmer

In Stoc

Compact programmer and debugger for development and service on STM32 and STM8 boards, based on ST-LINK V2 compatible. Supports SWD and SWIM for fast programming and debugging, has clear laser markings for pins and 2.54 mm connector for secure connection. Offers 5V and 3.3V outputs, includes 500 mA resettable fuse and status LED, in the package you get 4 DuPont wires.

5.19 €

USB to TTL UART FT232RL programmer

In Stoc

USB to TTL UART adapter with FT232RL, ideal for fast programming of Pro Mini boards and stable serial communication with microcontrollers. Includes jumper for selecting 3.3V or 5V logic level, plug and play connection via USB, standard pins for TX RX VCC GND, compact construction suitable for test and development bench.

2.52 €

Copper wire repair, 0.01mm , 50m

In Stoc

Ideal for repairing broken traces on PCBs and micro-electronics, the ultra-fine 0.01mm diameter copper wire allows for precise soldering and discreet interventions. The 50m roll offers enough material for multiple repairs, is flexible, easy to handle and ensures good conductivity for stable connections.

5.59 €

Integrated CH340G, IC, Driver

In Stoc

USB to Serial converter ideal for projects with microcontrollers and UART modules, ensures stable communication between PC and serial devices, compatible with TTL UART interfaces, easy installation with common drivers, 16-pin SOP-16 encapsulation for compact mounting on PCB boards, low consumption and reliable operation in electronic applications.

1.38 €

NTC10K temperature sensor, with 1-meter wire

In Stoc

Ideal for precise temperature monitoring in electronic projects and industrial equipment, the NTC 10K probe offers fast and stable response, accuracy of +-1% and B-constant 3380K. Comes with 1 m cable for flexible mounting and 2-pin XH2.54 connector for quick connection, compact 5 x 30 mm package for easy integration.

1.04 €

UNO development board, Arduino compatible, 16U2

In Stoc

Ideal for rapid prototyping and automation projects, the board offers ATmega328 at 16MHz with removable microcontroller, stable USB connection via reprogrammable ATmega16U2, 14 digital pins including 6 PWM and 6 analog inputs, power supply via USB or 2.1 x 5.5mm jack with AMS1117 5V regulator, includes ICSP and Reset button.

7.40 €

Solid State Relay, 5V, 2CH, High Level, SSR

In Stoc

Dual channel SSR module for silent and fast switching of AC loads, ideal for automation with Arduino and other boards. High Level actuation, 3-5V signal activation, 3.3V and 5V logic compatible, supports up to 250VAC and 2A per channel, 5V power supply for easy integration into compact projects.

2.16 €

9 axis sensor module, GY-85, 9DOF, I2C

In Stoc

9DOF module for measuring orientation and motion in robotics and navigation projects, combines on the same PCB ITG3205 gyroscope, ADXL345 accelerometer and HMC5883L magnetometer for 9-axis readings. Communicates via I2C, operates at 3-5V with integrated LLC, is compatible with Arduino and other boards, compact 22 mm format for easy integration.

9.25 €

Mega 2560 development board, 16U2, Arduino compatible

In Stoc

Ideal for complex automation and prototyping projects, it offers Arduino compatibility and high processing power with ATmega2560 and 16U2 USB interface, operates at 5V with recommended 7-12V power supply, includes 54 digital pins with 14 PWM and 16 analog inputs, has 256 KB flash and 16 MHz clock for stable and fast applications.

24.41 €

Current and voltage sensor MAX471, GY-471 3A, 3-25V

In Stoc

Compact module for monitoring consumption, measures current up to 3A and voltage up to 25V, compatible with Arduino and other 3.3-5V. Provides analog output for current and voltage through a 1 to 5 divider, allows detection of current direction during charging or discharging, ideal for testing power supplies, batteries and embedded projects.

4.14 €

Digital voltmeter with ammeter, 0-100V, 0-100A, with Shunt

In Stoc

Panel module for measuring DC voltage and current in automotive installations, power supplies and electronic projects, simultaneously displays 0-100V and 0-100A on 0.28 LED in red and blue, includes external shunt for high currents, 4.5-30V power supply, 0.1V and 0.01A resolution, compact mounting with standard cutout.

9.54 €

Power supply 5V, 3A, 5.5x2.1 , 220VAC

In Stoc

The 5V, 3A power supply is ideal for electronic projects that require high current and stable power supply. It operates at 220VAC and delivers 5VDC up to 3A, has a DC 5.5x2.1 jack compatible with many modules and breadboards, is suitable for prototyping, automation and laboratory assemblies.

4.76 €

Audio transmitter module, Bluetooth 5.1, BLE

In Stoc

Bluetooth 5.1 BLE audio transmitter with integrated USB sound card, ideal for quickly sending sound from PC, TV or other sources to Bluetooth headphones or speakers, without cables. It offers stable stereo signal through GFSK modulation and antenna on PCB, is powered at 3.3-5V and has easy pairing without password, with support for AT commands via serial for integration into Arduino projects.

7.59 €

Ultrasonic mist atomizer kit with LED, 24V

In Stoc

Submersible ultrasonic cold mist generator, ideal for decorative fountains and ambient effects or as an aroma diffuser. Produces fine mist that disperses quickly, has 12 multi-colored LEDs with automatic change for dynamic lighting, operates at 24VDC with 220VAC power supply, compact construction for easy installation in a water tank.

12.38 €

Set of 375 LEDs, 3mm and 5mm, different colors

In Stoc

Kit with 375 3mm and 5mm LEDs, in white, blue, green, yellow and red colors, ideal for prototyping, repairs and electronic projects. The LEDs are sorted in a plastic organizer box with lid, for quick access and tidy storage, voltage varies depending on type, compatible with breadboard and PCB mounting.

8.17 €

Acrylic housing for voltage reducer with LCD

Acrylic case for voltage regulator with LCD

In Stoc

Acrylic housing for the voltage-lowering module with LCD, offers protection and a tidy appearance for assembly in electronic projects, compatible with the 0-16V adjustable module code 00380, dedicated cutouts for display and potentiometer, lightweight and rigid construction, delivered as an assembly kit, the module is sold separately.

2.77 €

65mm wheel with rubber

In Stoc

Ideal for DIY projects, robots, carts or spindle mechanisms, the plastic wheel with soft rubber offers smooth rolling and good grip on various surfaces. It has a total diameter of 65mm and a width of 26mm for stability, a visible 4.3mm hole for the spindle, and an M8 hexagonal cutout on the inside for secure fixation and quick assembly.

3.23 €

Voice recognition module, SRVR, V3

In Stoc

Voice recognition module for Arduino and other boards, ideal for controlling projects via voice commands. Supports up to 80 learned commands and recognizes up to 7 simultaneously, is fully controlled via serial port or simplified via input pins, and GPIO outputs can generate signals for automatic actions. Includes microphone and operates at 5V with low consumption.

47.84 €

ESP32-CAM development board, Wifi, Bluetooth, OV3660 3MP

ESP32-CAM development board, Wi‑Fi, Bluetooth, OV5640 5MP

In Stoc

Compact solution for computer vision projects, video streaming and IoT, with WiFi 802.11b/g/n and Bluetooth 4.2 LE connectivity for wireless applications. It integrates a dual-core processor up to 240MHz and 4MB PSRAM for fast image processing, a 5MP OV5640 camera for detailed frames, TF card support and JPEG, BMP, grayscale formats, compatible with Arduino IDE for rapid development.

16.23 €

Radiator set for Raspberry Pi4, aluminum, self-adhesive

In Stoc

Efficient cooling for Raspberry Pi 4 B, set of 3 blue aluminum radiators, designed for rapid heat dissipation and better stability during intensive use. Easy to install thanks to the self-adhesive thermal pad, just remove the protective film. Includes different sizes for the main chips, 14 x 14 x 6 mm, 15 x 10 x 5 mm, 8.8 x 8.8 x 5 mm.

1.05 €

Mechatronics and IoT

Subcategories