ESP32-C3 SuperMini Development Board, 3.3V, WiFi, Bluetooth

In Stoc

Ultra-compact board for IoT projects and wearable devices, featuring ESP32-C3 on 32-bit RISC-V at 160 MHz for fast response. It offers WiFi 802.11 b/g/n and Bluetooth 5 LE connectivity, power and simple programming via USB-C with 5V to 3.3V regulator, plus 11 GPIO PWM and ADC inputs for sensors and actuators.

26.68 RON

AHT20 and BMP280 Sensor Module, Temperature, Humidity, Pressure, 2.8-5V

In Stoc

Compact module with AHT20 and BMP280 for precise temperature, humidity and pressure measurement, ideal for IoT, weather stations and automation. It operates at 2.8-5V with 3.3-5V logic level, communicates quickly and stably on I2C, connects simply on SDA and SCL and allows easy integration with Arduino and similar boards.

12.26 RON

RFID key fob, 125Khz

In Stoc

Proximity RFID key fob for access control systems, operates at 125 kHz and allows fast and secure identification with compatible readers. It has a unique, non-rewritable ID, is not writable and cannot be written with copiers, compact key fob format, blue color for easy organization.

1.94 RON

Copper wire repair, 0.02mm , 50m

In Stoc

Ideal for restoring and repairing fine traces on PCB boards, this ultra-thin copper wire ensures precise and stable connections, has a diameter of 0.02mm for micro-electroassembly work, a length of 50m for long use, high conductivity and good flexibility for easy soldering in hard-to-reach areas.

23.39 RON

Audio amplifier TDA7297, 2x15W, 12V

In Stoc

Compact stereo amplifier for DIY projects and home audio systems, offers 2x15W at 12V power supply, operates on the 6-18V DC range, drives 4-8 ohm speakers, ensures clear sound with a signal to noise ratio over 98dB and distortions below 0.1%, is easy to mount thanks to its small dimensions of 29x33mm.

31.04 RON

Stereo FM radio mode

In Stoc

Stereo FM radio module for Arduino projects and development boards, ideal for quickly integrating FM reception into DIY applications. It operates at 2.7-3.6V , covers 76-108MHz, communicates via I2C for easy control, includes analog and digital synthesizer and offers direct 32Ω audio output without additional amplifier.

8.63 RON

IR Receiver plus remote control module

In Stoc

Allows remote control for Arduino projects and other systems, using IR receiver with LED and cable for quick integration. Operates at 5VDC, the 20-function remote control is included with a CR2025 battery, transmits at 38KHz for wide compatibility, offers a range of up to 8 m and an angle of up to 60 degrees.

8.23 RON

Two-axis XY joystick module

In Stoc

Dual XY axis joystick module for precise analog control in Arduino, Raspberry Pi and other development board projects, ideal for game consoles, robots or HMI interfaces. Operates at 5VDC, uses quality X and Y potentiometers for smooth movements, includes integrated click button for shortcuts, easily connects to breadboard or wiring.

5.45 RON

5mw, 650nm, cross laser module with focus

In Stoc

Laser module with cross projection for precise alignment and positioning in industrial and DIY applications, emits at 650nm with 5mW power, has adjustable focus from the front regulator for clear lines at various distances, operates at 3-6VDC with low consumption, resistant cylindrical metal housing and compact 35x12mm format for easy integration.

68.75 RON

LOra 433MHz transceiver module SX1278 5km

In Stoc

The SX1278 LoRa transceiver module provides reliable radio communication between two devices up to 5 km in open field, ideal for telemetry and automation. Compatible with Arduino and other development boards, it offers high sensitivity up to 139 dBm, 20 dBm transmit power and standby consumption below 200 nA. It operates at 3.3 V on the logic pins and supports LoRa and FSK modes.

35.21 RON

Microphone module, high sensitivity, analog output

In Stoc

Microphone module with increased sensitivity and analog output, ideal for measuring sound levels in Arduino projects and other development boards. Includes integrated amplifier with adjustable gain for adaptation to different audio sources, provides stable signal for AD conversion, operates at 5V and delivers amplitude around VCC/2.

12.38 RON

Microphone module, sound sensor

In Stoc

Sound sensor with integrated microphone, ideal for noise-triggered automations such as alarms, lighting or Arduino projects. It detects the presence of sound and provides stable digital output, operates at 3.3–5 VDC, and the sensitivity is quickly adjusted from the potentiometer to adapt to the working environment.

4.97 RON

Microphone module, sound sensor, 5V

In Stoc

Detects the presence of sound and provides a digital signal for automation and Arduino projects, 5VDC power supply, DO output that switches High or Low when the sound level exceeds the set threshold, adjustable sensitivity from the potentiometer, fast response and easy integration into control and monitoring circuits.

8.47 RON

MicroSD module

In Stoc

Arduino compatible module for reading and writing to MicroSD and MicroSDHC cards, ideal for data logging and file storage in embedded projects. Communicates via SPI interface for fast integration, is powered at 5V on VCC and includes 3.3V regulator, has 6 pins GND, VCC, MISO, MOSI, SCK, CS, plus 4 M2 mounting holes for stable mounting.

4.38 RON

MP3 module mini WTV020 MiniSD card

In Stoc

Mini audio module for MP3 and WAV playback, ideal for Arduino projects or battery-powered applications. Includes MicroSD MiniSD reader and 16-bit DAC for clear sound, communicates easily via CLK DATA or UART232, allows button control and folder organization. Operates at 2.6-3.6V and uses 32MB-1GB FAT card.

16.92 RON

16-channel multiplexer module

In Stoc

Quickly expands the number of inputs or outputs of the microcontroller, allowing reading or switching of up to 16 channels through a single signal pin. Based on the CD74HC4067, it supports analog and digital signals, operates at 3-6V and is compatible with Arduino and other development boards. Channel selection is simple via 4 address pins, and the EN pin allows quick activation or deactivation.

4.76 RON

PCA9685 module, I2C interface, 16 CH, servo motor

In Stoc

Quickly expand PWM control on Arduino and other boards, using only 2 pins via the I2C interface, to independently control up to 16 servo motors or other PWM loads. It offers 12-bit resolution for smooth movements, adjustable frequency 40-1000 Hz, 5-10 VDC power supply and a compact 60 x 25 mm form factor, ideal for robotics and automation projects.

27.27 RON

Digital potentiometer module, X9C103S, 10k

Digital potentiometer module, compatible with X9C103S, 10k, 33 positions

In Stoc

Allows electronic resistance adjustment directly from Arduino and other development boards, ideal for calibration, level control or prototyping. It operates at 3-5V, offers a 0-10k range via the compatible X9C103S chip, has 33 setting positions for repeatable adjustments, and VL and VH accept signals between -5V and +5V.

18.46 RON

Linear Potentiometer Module, 10k, 3.3-5V

In Stoc

Ideal for fine tuning in Arduino projects and analog circuits, this 10k slide potentiometer provides fast and precise voltage control by moving the slider. It operates at 3.3V or 5V, provides analog output for real-time position reading, and is suitable for controlling LED brightness, motor speed, or menu navigation.

12.93 RON

38KHz infrared receiver module

In Stoc

It allows receiving IR remote control signals in Arduino, robotics or automation projects, operates on 38KHz carriers for wide compatibility, has a digital output that is easy to connect to microcontrollers, includes filter and demodulation to reduce interference, is typically powered at 3.3V or 5V and is quickly mounted on the breadboard.

9.68 RON

I2C LCD interface module 1602, 2004

In Stoc

Simplifies connecting a 1602 or 2004 LCD to Arduino and other development boards, reducing wiring and the number of pins required. Communicates via I2C using only 2 pins, mounts directly on the back of the display, offers fast and stable connection, is ideal for projects where you want to save pins and keep the assembly clean.

5.11 RON

Laser beam receiver module

In Stoc

Ideal for detecting the presence of a laser beam in Arduino projects or other development boards, this receiver offers stable digital response for automation and safety systems. It operates at 5VDC, delivers a HIGH signal upon detection and LOW in the absence of the laser, has maximum efficiency and compact dimensions of 16 x 19 mm for easy integration.

6.66 RON

12V relay module with light sensor

In Stoc

Automates the start of a consumer depending on the ambient light, the switching threshold is adjusted from the integrated potentiometer. It is powered at 12VDC via VIN and GND, controls AC or DC loads via NC, COM, NO contacts. 10A relay for 250VAC or 30VDC, activation when the set light level is exceeded and deactivation below the threshold.

15.94 RON

5V relay module, High Level command

In Stoc

Quickly and safely control AC or DC loads from Arduino and automation projects, with 5V power supply and High Level trigger for easy integration. Supports up to 250V AC 10A or 30V DC 10A, has LED for status indication and low consumption at 5mA trigger, in a compact 50 x 26 x 18.5 mm format.

6.66 RON

RRD Ramps 1.4 module

In Stoc

2-channel PWM expansion module for Ramps 1.4, ideal when after upgrading to dual extruder you no longer have free PWM outputs or you want to add fans, LEDs and other controlled accessories. Mounts directly on servo pins, adds channels on D6 and D11, supports up to 20VDC and 0.5A per channel, compatible with Marlin by setting MOTHERBOARD 34.

12.28 RON

RS232 to TTL module, converter

In Stoc

The RS232 to TTL converter with MAX3232 allows fast connection between RS232 serial port devices and TTL logic level boards, ideal for Arduino, ESP and industrial modules. It offers stable bidirectional TX RX communication, operates with external 3.3-5V power supply, has compatible levels for 3.3V and 5V and is compact, easy to integrate into projects and test benches.

5.00 RON

DS3231 I2C Precision RTC Module

In Stoc

Precision RTC module for maintaining time and calendar on Arduino and other boards, with very good stability over temperature variations. It communicates quickly via I2C, includes AT24C32 memory for data, has a programmable alarm and integrated temperature sensor. It operates at 3.3-5.5V and accepts a CR2032 battery as a backup for keeping time in the event of a power failure.

22.93 RON

GY-291, ADXL345 3-axis sensor module

In Stoc

The ADXL345 3-axis accelerometer module is ideal for Arduino projects and other development boards, providing precise acceleration measurement and vibration detection, useful in stabilizing and maintaining the balance of robots. It operates at 3-5VDC, communicates simply via I2C, has a compact form factor for quick integration and good response to fine movements.

30.92 RON

16-channel capacitive touch sensor module TTP229

In Stoc

16-channel capacitive touch sensor module, ideal for touch panels and automation projects with Arduino or other boards. It operates at 2.4-5.5VDC , offers settings for output mode and key configuration, includes low power or fast response options, has a compact 49 x 64.5 mm format for easy integration.

9.78 RON

8CH TTP226 Capacitive Touch Sensor Module

In Stoc

The 8-channel TTP226 module adds capacitive touch controls to Arduino projects or other controllers, detects touch even through a shield panel, offers status LEDs for each channel, adjustable sensitivity in 64 steps, and a wide 2-5 V supply. It can work in parallel or serial mode via jumper, reducing connections to just 4 pins.

9.62 RON

AC current sensor module, 5A, ZMCT103C

In Stoc

Ideal for monitoring consumption in DIY and automation projects, this module measures alternating current up to 5A and provides an easy-to-read analog signal with Arduino or other development boards. It integrates quickly into measurement circuits, has compact dimensions for easy mounting, operates stably in industrial and electronic applications, being suitable for load detection and energy control.

8.88 RON

Sensor Module ECG, EKG, AD8232 Kit

In Stoc

ECG kit with AD8232 and 3 electrodes, for measuring and visualizing the ECG signal in Arduino projects and other development boards. It effectively filters noise and provides a stable analog signal, includes electrode disconnection detection for more reliable measurements, works with 2 or 3 electrodes for flexibility, very low power consumption, heart rate LED and quick connection via 3.5 mm jack.

68.03 RON

Rain sensor module

In Stoc

The rain and snow detection module, useful in automation and IoT projects, includes a 50 x 40 mm PCB for capturing drops, an Arduino compatible module and other development boards, plus a connection cable. It operates at 3-5VDC and offers analog AO outputs for precise measurement and TTL digital DO outputs for fast switching.

8.47 RON

IRF520 module

In Stoc

IRF520 MOSFET module for Arduino and other development boards, ideal for PWM control of DC loads such as LED strips, power LEDs or motors. Allows 3.3-5V signal control of consumers up to 24V DC and 5A. Provides fast and stable switching, easy integration into DIY projects and automation.

7.97 RON

XH-M603 12-24V battery charging module with display

In Stoc

Charge control module for 12-24V batteries, functions as a smart relay that automatically starts and stops charging between set thresholds, has a display for displaying voltage and simple adjustment using buttons, accepts DC 10-30V power supply and includes LM2596 regulator, ideal for maintaining car, motorcycle or solar panel batteries.

25.03 RON

Thermoelectric peltier module 12V 60W

In Stoc

It allows cooling or heating by electrical power, creating a temperature difference between the two sides, suitable for DIY projects, electronics and compact industrial applications. It operates at 12VDC, offers up to 60W of heat transfer power, has dimensions of 40x40x3.6 mm and model TEC1-12706, requiring efficient dissipation on the hot side for good performance.

22.29 RON

ADS1115 Analog to Digital Converter Module, 16bit

In Stoc

Quickly and accurately converts analog signals to digital data for Arduino and other development boards, offering 16-bit resolution and up to 860 samples per second via I2C. Supports 4 single-ended or 2 differential inputs, includes up to 16X programmable amplifier for small signals, and the I2C address is selectable from 4 options for easy integration into projects.

33.35 RON

MP3 amplifier module

In Stoc

MP3 module with integrated 2W mono amplifier, ideal for Arduino projects and compact audio applications. Plays directly from MicroSD card, powered by 5V or 3.7V battery with MicroUSB charging, offers audio output on gold-plated 3.5 mm jack or connectors, has buttons for play, volume and song change.

10.89 RON

Bluetooth 4.2 BLE audio module, stereo, MH-M18

Bluetooth 4.2 Module JDY-18

In Stoc

High-speed Bluetooth module for fast integration of wireless connectivity into electronic projects, ideal for stable communication between microcontrollers and mobile devices. Supports Bluetooth 4.2 for low power consumption and extended compatibility, operates at 1.8-3V supply voltage, has compact dimensions and fast response to data transmission.

24.20 RON

Bluetooth module BT 06

In Stoc

BT06 Bluetooth module for Arduino and other boards, quickly creates a wireless SPP serial connection for short-distance data exchange between PC, phone or equipment. Easily integrates via UART, has sensitive transceiver for stable links, low power and cost, plus integrated PCB antenna. Power supply 3.6-6V, logic 3.3V.

22.09 RON

Bluetooth module HC-05, compatible

In Stoc

Bluetooth module for wireless serial communication between Arduino or other boards and phone or PC, works as Master or Slave, fast connection via UART TTL with default setting 9600 bps, supports Data Mode and AT Command Mode for configurations such as name, password and baud rate, 3.6-6V power supply and low consumption, ideal for automation and remote control projects.

27.04 RON

HC-06 Bluetooth module

In Stoc

Bluetooth module for RS232 serial communication, compatible with Arduino and other development boards, ideal for transmitting and receiving wireless data and remote control from your phone. It works in Slave mode, has 3.3-6VDC power supply with 3.3V logic, coverage up to 10 m and Bluetooth 2.0 + EDR, with default baudrate 9600.

30.41 RON

Buzzer mode active

In Stoc

Ideal for alarms, sound notifications and DIY projects, this active buzzer provides continuous sound when powered, easily integrates with Arduino and other development boards, operates at 5V, can be controlled directly from a digital pin, LOW level activation for simple and fast control.

3.63 RON

Passive Buzzer Mode

In Stoc

Passive buzzer ideal for sound signaling controlled by microcontrollers, works with a 2k-5k rectangular signal and allows the playback of various tones or melodies through the Arduino tone function, is powered by 3.3-5VDC and has compact dimensions of 33 x 13 mm for easy integration into electronic projects.

5.03 RON

OV2640 2.0MP camera module

In Stoc

The compact camera module for embedded and IoT projects, offers 2.0MP images up to 1600x1200, operates at 3.3V and delivers JPEG directly for fast processing and low resource consumption. It supports exposure, white balance, saturation and contrast adjustments, and the output can be set to JPEG or RGB565 for flexible integration.

69.71 RON

Mechatronics and IoT

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