Audio receiver with Bluetooth 5.0 communication based on the QCC3008 module. It is equipped with an insulated converter that enables power supply with 12 V voltage

Audio receiver with Bluetooth 5.0 communication based on the QCC3008 module. It is equipped with an insulated converter that enables power supply with 5 V voltage

Gravity module designed based on the GP8501 system. It is a two-channel DAC (analog-to-digital) converter with PWM communication that offers an output signal with 8-bit resolution and 0.5% accuracy. It allows you to generate analog signals with a voltage range from 0 to 2.5 V or from 0 to VCC. DFRobot DFR1037

4-channel stereo audio mixer module. It has one output to which the summed signal from 4 inputs comes out. It is powered with the voltage from 5 to 12 V

This set of two quadrature encoders for 20D extended-shaft motors provides precise rotational speed monitoring with 20 pulses per revolution of the motor shaft. The devices utilize a magnetic disc and Hall-effect sensors operating from 2.7-18V, and the digital outputs can be connected directly to a microcontroller. The encoders mount directly to the back of the motor, and the compact design and 6-pin JST PH connectors facilitate integration into robotic projects and control systems. Pololu 5660

8-channel module with current analog outputs ranging from 0 to 20 mA. It communicates via the RS485 interface and supports the Modbus RTU protocol. The board is enclosed in a housing that can be mounted on an industrial rail. Waveshare Modbus RTU Analog Output 8CH

Four-channel relay module with optoisolation, allowing control of loads up to 10 A at 250 V AC or 30 V DC. Thanks to standard interfaces and separate JD-VCC power supply, it is compatible with most microcontrollers and automation systems, ensuring safe integration and convenient installation.

A stepper motor driver for precise control of bipolar motors, offering six microstepping modes (from full to 1/32). It operates within a voltage range of 8.2V to 44V and delivers up to 1.5A per phase without cooling or up to 2.2A with a heatsink/fan, ensuring smooth and stable operation even at high speeds. Compatible with the popular A4988 and DRV8825 drivers, with an integrated regulator and overheating, overload, and short circuit protection, the TB67S581FNG is a reliable and versatile solution for applications requiring precise motion control. Pololu 2989

Step-Down converter with adjustable output voltage from 4.2 V to 15 V and output voltage up to 45 V. It is equipped with reverse voltage protection, input undervoltage lockout, overload and short circuit protection. Pololu 4854

The Adafruit CH9328 UART to HID Keyboard Breakout allows for easy and fast emulation of a HID keyboard without the need for a microcontroller with native USB. The module is used in prototyping projects, automation, integration with single-board computers and in testing devices where keyboard signals are required. Thanks to support for various transmission modes and simplicity of integration, it is a practical tool for electronics engineers and embedded system programmers. Adafruit 5973

This tiny microcontroller card connector plugs into your computer\'s USB port, allowing you to power and control your NeoPixel (SK6812, WS2812) or DotStar (AP102) LEDs without soldering or complicated wiring.

This advanced Nema 23 stepper motor controller from the CLRS series is designed for precision industrial applications with RS485 (Modbus RTU) network communication. It eliminates the risk of lost steps with closed-loop feedback and offers support for Profile Position, Velocity, Homing, and PR Mode with a 16-position point-to-point control table. The controller supports up to 31 axes on a single network, offers up to 7 A current, a 20 to 50 VDC supply voltage, and passive or active cooling, making it a reliable solution for robotics, automation, and CNC systems. CL2C-RS57

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

2-channel stereo audio mixer module. It has four outputs, on which the summed signal from 2 inputs is available. It is powered with the voltage from 5 to 19 V

The USB Step-Up converter module in the housing allows you to adjust the voltage in the range of 3.5-15V to 0.5-30V, with a maximum current of 2A and a power of 15W. The device is characterized by high precision, voltage resolution 0.01V, current resolution 0.001A, voltage accuracy 0.3% and current accuracy 0.5%, and can operate in temperatures from -40°C to 85°C. XY-UDP

Universal driver for DC and LED motors. It can work with a supply voltage from 5 V to 24 V and a load up to 10 A. DFRobot DRI0050

The converter module converts the voltage in the range of 3-7.2V to 200KV with an efficiency of over 90%. It is compact with dimensions of 24 x 64 mm and operates in temperatures from -40°C to 85°C.

The Step-Up converter module with a power of 65W converts the voltage in the range of 3-35V to 3.5-35V with an efficiency of over 96%. Equipped with a voltmeter, it operates in temperatures from -40°C to 85°C.

Crowtail-Rotary Angle Sensor 2.0 is an analog rotary-angle sensor with a 300° range, ideal for value adjustment in electronic projects. It is used in lighting control, volume regulation and user interfaces.

Step-Up/Step-Down converter module based on the S13V10F5 system. It has an input voltage from 2.8 to 22 V and an output voltage of 5 V. The current efficiency of the converter is up to 1 A. Pololu 4083