Module with RTC and MicroSD socket for D1 Mini

BMS protection circuit designed for 4 Li-Ion cells. It has a charging function with balancer option, a discharging function and an over-discharge protection function. HXYP-C47-MA18-4S

HMI (Human-Machine Interface) operator panel for visualization and interaction with automation systems. It uses a 7" LCD display with 800x480 pixel resolution with a touch panel. It supports various communication protocols such as RS232, RS485. Kinco GL070

Audio player and recorder with built-in VS1003 codec, 3.5 mm jack audio output and a microphone

The compact (0.4″ × 0.5″) D24V5F15 synchronous buck voltage regulator takes an input voltage of up to 36 V and efficiently reduces it to 15 V while allowing for a maximum output current of 500 mA. Pololu 2847

The EEPROM memory module with the built-in AT24C32D chip allows storing data without loss after switching off the power supply. MOD 50

3-channel brush motor controller module with PWM signal mixing function. It allows you to control three DC motors with a current consumption of up to 15 A per channel

The Adafruit 5974 module with the HX711 converter enables precise reading of signals from strain gauges and load cells based on a Wheatstone bridge, offering 24-bit resolution and selectable gain. With an integrated screw terminal and options for sampling rate and channel configuration, it is used in projects involving force, pressure, or weight measurement in IoT systems, electronic scales, and mechanical testing.

3.3V Power Supply Module Board with Red Indicators, AMS1117-3.3V, RoHS

WAV files player module. It is based on a DAC converter and an audio amplifier, there is a 3.5 mm audio output on the board. The files are played from the microSD card. Adafruit 94

The Class D digital audio amplifier module has two channels with a power of 30 W and can work with speakers from 4 to 8 Ω. Powered with the voltage ranging from 8 to 26 V. Bluetooth communication

Module with real time clock (RTC) DS1307 and CR1225 battery socket. The board is equipped with a Grove connector and communicates via the I2C interface. Seeed Studio 101020013

Pololu 5424 enables precise switching of loads up to 10 A at voltages up to 30 V, providing galvanic isolation as well as silent and maintenance-free operation thanks to the use of a solid-state relay. Ideal for controlling devices in RC systems, automation, and projects requiring durability and reliability.

Power module based on a DC-DC Step-Down converter with a current efficiency of up to 12 A. The output voltage is adjustable in the range from 0 V to 50 V. The power supply offers power up to 600 W. WZ5012L

A boost charger module that allows you to charge batteries from USB, DC, or solar panels, and power devices requiring 5V. Equipped with the BQ25185 and TPS61023, it provides high efficiency, optimized power consumption, and support for 500mAh or larger batteries. Adafruit 6106

DC motor driver that allows you to control the movement of two drives using the I2C interface. Board with soldered connectors. Pololu 5045

The KAmod Level Shift x4 module is a logic level converter that enables the connection of electronic systems powered by different voltages, such as 5 V and 3.3 V. The module provides four bidirectional channels that can operate with digital signals ranging from 1.8 V to 5 V. It is an excellent choice for level conversion in I2C bus applications.