Breakout Board for ADMP401 MEMS Microphone, SparkFun

16-channel GPIO expander with an I2C interface microcontroller can interface with 16 fully configurable digital input/output pins. It can produce PWM signals, so you can dim LEDs. It can be set to blink or even breathe pins at varying rates. With a built-in keypad engine, it can interface with up to 64 buttons set up in an 8x8 matrix. BOB-13601

A compact voltage converter module that reduces input voltage from 9.4 to 65 V to a stable 9 V at up to 700 mA. It features high efficiency, low quiescent current (<0.2 mA), and short-circuit and thermal protection, ensuring safe and efficient operation. Its small size and ease of integration make it ideal for mobile devices, battery-powered designs, and systems requiring stable power. Pololu 5436

The module with a 4-channel L293D DC motor driver, designed to work with the Raspberry Pi. It can work with a voltage from 6 to 24 V and a current of up to 600 mA. SB Components 08001

The PT4110E89E is an advanced step-up LED driver designed to power white LEDs in applications requiring stable current and high energy efficiency. It provides an output current of up to 1.5A at a supply voltage of up to 5.5V, making it an ideal solution for low input voltage LED lighting

Module with LM2596 step-down converter and LM2577 step-up converter. The inverter has a battery and battery indicator with constant current

DFR0379

Step-Up/Step-Down DC-DC converter module. It has an input voltage of 2.8 to 22 V, an output voltage of 9 V and a maximum output of 2.5 A to 3.5 A. Pololu 4983

Gravity: Joystick Module V2 is a joystick module with two analog outputs (X and Y axis) and a digital output (Z axis) supplied with 3.3 ... 5V voltage. DFRobot DFR0061

Bluetooth 4.2 audio receiver with 3.5 mm jack audio output. It allows you to play files via Bluetooth and supports WAV, WMA APE, MP3 and FLAC formats. MH-M28

Frequency generator module with Si5351 chip based on 25 MHz quartz. The system has three independent, programmable clock outputs that can generate a clock signal in a wide range from 8 kHz to 160 MHz

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 and Ethernet. Kinco GL070E

The Step-Up/Step-DownS7V8A Buck Voltage Regulator module with adjustable output voltage in range of 2.5-8V, input voltage range of 2.7-11.8V and a maximum output current of 0.5-1A. Pololu 2118

Module with a digital rotary encoder controlled by the I2C interface. The potentiometer has RGB LED backlight. The encoder generates post-movement information with 24 levels per revolution and rotation direction detection. SparkFun DEV-15083

Three-way crossover with a crossover frequency of 900 Hz and 5000 Hz. It works with speakers with an impedance of 5 to 8 Ω and offers power up to 150 W

The Step-Down converter module on the XL7015 chip converts the voltage in the range of 5-80V to 5-20V, with a maximum current of 0.8A and a recommended output power of 7W. It has protection against overheating, short circuit and current overload, and its board size is 16 x 44 mm.

MP3 panel with LCD display for installation in the audio device. It allows you to play files in MP3, WAV and WMA format from USB memory, microSD card, via AUX and Bluetooth 5.0. It has a built-in FM receiver