Module with RTC and MicroSD socket for D1 Mini

The energy harvesting module based on the LTC3588 chip, which is a complete energy harvesting solution for sources such as piezoelectric, solar or magnetic transducers. SparkFun BOB-09946

A step-down converter that reduces the input voltage from 8.4V to 60V to a stable 8.4V with up to 95% efficiency and up to 8.4A output current. It offers low standby current (<0.2mA), soft-start functionality, overcurrent, thermal, and reverse polarity protection. Compact and easy to integrate, it is ideal for microprocessor systems, IoT, and automation. Pololu 5575

Two-channel DC motor driver powered with the voltage from 2.5 to 12 V with a maximum continuous current of 0.8 A per channel. It can control a bipolar stepper motor

The expansion module is designed to work with micro:bit. It allows you to control 4 DC motors or two stepper motors and 8 servos. It communicates via the I2C interface. DFRobot DFR0548

The module with a fingerprint sensor FPC1020A is designed for the M5Stack sets. The sensor has a built-in memory and can store up to 150 fingerprints. M5Stack U008

Demonstration board with Linear Technologies LTC2360 12-bit digital-to-analogue converter. The system is ideal for use in communication systems, data acquisition, mobile and car devices. DC1190A-E

The board generates 16 PWM signals and communicates using the digital I2C interface, it has a built-in PCA9685 chip. MOD 71

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 and RS485. Samkoon EA-070B

HMI module with a color LCD TFT 4.3" display with a resolution of 480x272 pixels. Equipped with a capacitive touch panel. Communication via UART interface. Accessories included. DWIN DMG48270C043_05WTC-SET

Voltage converter module with a symmetrical output of ± 15 V with a maximum power of 150 W. Used, among others, to power audio amplifiers

A small USB-UART TTL converter module based on the CH340 system with a USB type A connector. Designed for the ESP-01 and ESP-01S modules

This step-down converter module allows you to reduce the voltage from 18-60V to a stable 18V at a current of up to 8A. Its high efficiency of up to 95% and low power losses make it ideal for applications requiring high current and stable power. The device has built-in overcurrent, thermal, and reverse connection protection, as well as a soft-start function and a Power Good indication. Pololu 5681

DFR0379

DFRobot DFR1184 module with a 15-bit ADS1115 converter enables precise voltage measurements of 0–10 V from industrial sensors. The dual-channel design, support for I2C/UART, and compatibility with popular platforms make it an effective solution for automation systems, environmental monitoring, and energy management.

DC-DC Step-Down converter module. It has an input voltage from 3.3 to 45 V, an output voltage of 3.3 V and a maximum output current of up to 3.7 A. Pololu 4891

The Step-Down D24V6F9 Buck Voltage Regulator module gives the output voltage of 9V with a wide input voltage range of 11.5-42V and a maximum output current of 600 mA. Pololu 2108