Compact, low-power 2.4 GHz Bluetooth Beacon solution, ideal for sensor monitoring, asset tracking and real-time location. With extremely low power consumption, it can operate for years on a 3V button cell battery, making it an efficient choice for IoT applications. Module configuration is simple and intuitive thanks to the InPlay NanoBeacon Config Tool, which enables easy programming without the need to write code, offering a user-friendly graphical interface to set device parameters. Version with connectors and without LED and button, intended for direct use in the target application. SparkFun WRL-21327

ARM Cortex-M0+ MCU, Low power, 64kB Flash, 8kB RAM, USB, 2xUSART, 2xI2C, 2xSPI, ADC, STM, LQFP64, RoHS

A modern current sensor combining the Hall effect with an inductive coil, which allows for precise measurements of both the DC and AC components up to 5 MHz. Thanks to its lightning-fast response time and low path resistance, it is perfect for motor control systems, power converters and protection systems. Pololu 5232

Module with a 3-color (red, black, white) e-Paper display with a diagonal of 12.48" and a resolution of 1304x984 px. SPI interface. Waveshare 12.48inch e-Paper Module (B)

The ACS72981 current sensor module uses the Hall effect to accurately and safely measure AC and DC current, providing electrical isolation of the current path. With a wideband analog output (up to 250 kHz) and low conduction resistance (0.2 mΩ), it minimizes energy loss and offers a fast response time of less than 2 µs. Pololu 5250

9x16 Charlieplexed LEDs designed to match with the Adafruit 16x9 Charlieplexed PWM LED Matrix Driver - IS31FL3731. Color: RED. Adafruit 2947

Precision Hall effect current sensor, providing galvanic isolation and wide 250 kHz bandwidth. Low conductive path resistance, magnetic interference immunity and ratiometric analog output make it ideal for AC and DC current monitoring applications. Pololu 5281

Module with backlight in the form of RGB NeoPixel diode dedicated to CHOC buttons (or compatible). Adafruit 5756

The OV5640 camera module is a 5-megapixel unit with a lens with a viewing angle of 110 degrees and a 24-pin connector. It is equipped with an IR Cut switch and a 70-mm cable, which allows it to automatically switch between day and night modes.

Compact current sensor based on TMR technology, enabling precise measurements up to 30 A with minimal energy losses. Thanks to a wide 1 MHz bandwidth, galvanic isolation and interference immunity, it is perfect for applications requiring fast response and high accuracy. Pololu 5317

Keyboard module with 10 tact switch buttons. The state of the buttons can be read using digital pins or a common analog output. DFRobot DFR0792

Integrated BME688 gas, pressure, temperature and humidity sensor in one MEMS housing. The system can be supplied with the voltage of 3.3 V and is equipped with an I2C communication interface. BME688 Breakout Board

Distance measurement tester designed for HC-SR04 ultrasonic sensor. It is equipped with a 3-digit 7-segment LED display showing the current measurement and a measurement processing system with UART output

Extension module compatible with Raspberry Pi. The board is equipped with three 24 V 2 A relays, three buffer inputs, three sink outputs and three analog inputs with a working range up to 24 V. Pimoroni PIM213

Module with a potentiometer and RGB backlight. It has a limited range of motion and is perfect for e.g. lighting control. Pimoroni PIM523

1-Bit Dual-Supply Non-Inverting Level Translator, SOT353, ON Semiconductor, RoHS

BME688 environmental sensor module for measuring temperature, humidity, atmospheric pressure and VOC gas resistance; IAQ index calculation using the Bosch BSEC library; Bosch AI Studio support for gas mixture recognition; I2C interface; 3.3 V power supply and logic levels; 2 Grove connectors; compatible with Raspberry Pi and Raspberry Pi Pico.

Compact board for controlling RGB and white LED strips, allowing easy connection without the need for soldering. With WS2811F and N-channel FETs, it supports up to 3A of current per channel, making it ideal for high-current LED strips, but does not support RGBW strips. Adafruit 5888

MP6550 DC motor controller module. It can work with motors supplied with voltage from 1.8 to 22 V and current consumption up to 1.7 A. Pololu 4733

High-performance 4-in-1 electronic speed controller designed for FPV racing and freestyle drones. It supports 2–8S LiPo/LiHV batteries, provides up to 70 A continuous current per channel and up to 150 A peak current. AM32 firmware and PWM frequency up to 128 kHz enable fast and smooth motor control. SEQURE E70 G2 AM32