Module with an optical flow sensor PMW3901. It uses a low resolution camera to detect surface movement. It communicates via the SPI interface. Pimoroni PIM453

32-channel IO expander with 7 analog inputs with 10-bit resolution. Communicates via USB interface. It has compact dimensions, making it suitable for small devices. Version with connector on top. Numato Lab GP320002

32-channel IO expander with 7 analog inputs with 10-bit resolution. Communicates via USB interface. It has compact dimensions, making it suitable for small devices. Version with connector at the bottom. Numato Lab GP320002-B

8-channel IO expander with 6 analog inputs with 10-bit resolution. Communicates via USB interface. It has compact dimensions, making it suitable for small devices. Numato Lab GP80002

8-channel IO expander with 6 analog inputs with 10-bit resolution. Communicates via USB interface. It has compact dimensions, making it suitable for small devices. Numato Lab GP80002-B

8-channel PoE module with relays allowing you to connect your PC to other electronic circuits via the network. It does not need a separate cable for power and data transmission. It can be controlled via a simple web interface or Telnet. Numato Lab NLRP1001-A

16-channel PoE module with relays allowing you to connect your PC to other electronic circuits via the network. It does not need a separate cable for power and data transmission. It can be controlled via a simple web interface or Telnet. Numato Lab NLRP1002-A

I/O module supporting Modbus RTU via USB and RS485 and Modbus TCP via Ethernet. It has 4 built-in SPST relays and 8 digital inputs, 8 digital outputs and 4 analog inputs. Provides a flexible DIN rail mounting system. Numato Lab NLRXE002-A

16-channel PoE GPI/GPO module enabling connection of a PC to other electronic circuits via a network. It does not need a separate cable for power and data transmission. It can be controlled via a simple web interface or Telnet. Numato Lab NLGP1001-A

Mini Maestro 18 in assembled version is a precise servo controller and a universal I/O expander for robotic, animatronic, and interactive projects. Thanks to its autonomous operation capabilities, multi-channel support, and flexible input/output configurations, it is used in advanced installations requiring smooth motion control and response to environmental signals.

Mini Maestro 12 in kit version is a multifunctional controller for controlling servos, reading sensors, and executing motion sequences without a computer. Excellent for use in robotics, animatronics, and interactive systems, it enables flexible motion control and peripheral management from a PC or microcontroller.

Pololu Micro Maestro 1351 in kit version enables precise and flexible control of servos and sensors from a PC or microcontroller. Thanks to its ability to operate autonomously and function as a USB–TTL interface, it is used in motion control systems, animatronic projects, and interactive systems responding to external stimuli.

The module is ideal for applications requiring precise control and signal processing, with the ability to be easily controlled via Ethernet. Numato Lab NLETHGC016-HB

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

A 3-port HUB module with a USB 2.0 interface with an RJ45 connector, designed to work with the Raspberry Pi minicomputer. Waveshare ETH/USB HUB HAT (B)

ARM Cortex-M3 CPU, Low power, 384kB Flash, 48kB RAM, USB, UART, I2C, SPI, ADC, DAC, STM, LQFP64, RoHS

Mechanical keyboard module with LED backlight, encoder and display. Based on the RP2040 microcontroller. Adafruit 5100

Set with a camera with a resolution of 18 MPx with an AR1820HS sensor, a USB 2.0 adapter and a cable. ArduCAM EK017