Stepper motor driver based on TB67S249FTG. It allows you to control a stepper motor with voltage from 10 to 47V, with a maximum current of 1.8A. The controller can be controlled using: USB, Serial TTL, I2C, RC (PWM modeling), analog input or quadrature encoder. Pololu 3138

The audio module with the PCM5100A DAC converter is designed to work with the Raspberry Pi. Pimoroni PIM542

Mechanical mini keyboard with 16 buttons and backlight. Based on the RP2040 chip, it uses Kailh Speed Gold buttons. Pimoroni PIM565

Mechanical mini keyboard with 16 buttons and backlight. Based on the RP2040 chip, it uses Kailh Speed Silver buttons. Pimoroni PIM561

Adapter from HDMI to VGA with microUSB power input and 3.5mm audio jack, 15cm

Module with the real time clock (RTC) RV-3028 dedicated to micro:bit. It communicates via the I2C interface. SparkFun SEN-15486

Arducam USB shield is a module that allows you to connect some ArduCam cameras to a PC or minicomputers, eg Raspberry Pi, BeagleBone etc. The module supports most cameras with a serial interface that have a resolution of 0.3 ... 14 MPix. Attached to the module are appropriate libraries that facilitate image processing, eg using OpenCV software. ArduCam B0095

4-digit, 8-segment LED display module with 8-level brightness adjustment. Communication via the I2C interface. DFRobot DFR0645-G

Evaluation kit with Bluetooth 5.0 Sparkfun Artemis module. Equipped with a microphone, kmaers and accelerometer. SparkFun DEV-16828

Wireless, precise temperature sensor with high accuracy with built-in recorder. Works with thermoelectric sensors type K, J, T, N, E, B, S and R

Adafruit module with Si7021 temperature and humidity sensor. Sensor Sillicon Labs can measure temperature in the range of -10 ~ 125 ° C, and humidity in the range of 0-100 & RH. The sensor communicates using the I2C interface. Adafruit 3251

C-mount mirrorless lens. Focal length 35 mm, FoV 18°. Designed to work with the Raspberry Pi HQ camera. ArduCAM LN052

Ultra small Dual DC motor driver for some room limited projects. UVLO (Under Voltage Latch-Out) features a safe guard for your system. DRI0041

LM386 audio amplifier module. It is supplied with the voltage ranging from 4 to 12 V. The set includes an 8 Ω, 0.5 W loudspeaker. DFRobot DFR0064

This Bluetooth Audio receiver module includes a USB port and TF card slot. With a pre-amp output, you can drive headphones or a 3W speaker directly. You can also add an active power amplifier and connect a loudspeaker. The module supports MP3, WMA, WAV and lossless FLAC audio formats. DFRobot TEL0108

The motor driver card can drive 24 servo motors at most. It can be used to drive a multiple-joint robot machine, such as Hexapod Robot, Biped Robot, and Arm Robot. P0288

Module with a potentiometer with a rotation range of 300°. Equipped with a connector compatible with the Gravity standard. DFRobot DFR0054

Module with the MQ3 analog alcohol sensor. It enables gas detection and construction of a simple breathalyzer. The module is powered by 5 V and has an analog output. DFRobot SEN0128

Module with an analog MQ4 methane sensor. It is powered with the voltage of 5 V and has an analog output. DFRobot SEN0129

Module with an analog sensor of carbon monoxide and combustible gases (methane, propane) MQ9. It is powered with the voltage of 5 V and has an analog output. DFRobot SEN0134