Module with a stepper motor driver based on the DRV8834 system. It allows you to power a bipolar motor with a current of up to 2 A per phase, without using a heat sink. The system can be powered with a voltage of up to 10.8 V. Pololu 2134

GPS module with LC29H GNSS receiver designed to work with the Raspberry Pi minicomputer. It allows you to receive data from major positioning systems, including GPS, QZSS, GLONASS, Galileo and BeiDou, and supports positioning assistance systems (WAAS, EGNOS, MSAS and GAGAN) and EASY technology. Waveshare LC29H(AA) GPS HAT

Analog audio level indicator in the form of a panel meter. Powered with AC or DC voltage from 6 to 12 V, it has a built-in green backlight

The camera is equipped with an SC3336 sensor with a resolution of 3 megapixels (2304 x 1296 pixels). It is compatible with the Luckfox Pico module, which allows it to be easily integrated into various projects and applications. Waveshare SC3336 3MP Camera (B)

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

A 1.54-inch blue OLED display that allows you to display basic graphics and text. It has a resolution of 128 x 64 pixels and communicates via the SPI or I2C interface. Waveshare 1.54inch OLED Module (B)

Gravity module designed based on the GP8413 system. It is a two-channel DAC (analog-to-digital) converter with I2C communication that offers an output signal with a resolution of 15-bit and an accuracy of 0.2%. It allows you to generate analog signals with a voltage range from 0 to 10 V or 0 to 5 V. DFRobot DFR1073

USR-M300-ETH is a versatile industrial IoT gateway with advanced edge computing capabilities, I/O support, and wide compatibility with network and cloud protocols. Ideal for remote monitoring, data acquisition, and automation in industrial, energy, and infrastructure applications.

USR-M300-EW is an industrial IoT gateway with 2.4/5.8 GHz WiFi and Ethernet, designed for collecting and transmitting data from serial and I/O devices. It supports MQTT, Modbus RTU/TCP, VPN, and cloud integration. The compact design, flexible expansion capabilities, and advanced local control functions make the device ideal for industrial applications, automation, and distributed systems.

AP310i is a high-performance, ceiling-mounted WiFi 6 access point with a 2.5G port and PoE support, ideal for commercial environments with high user density. It offers fast wireless connections, advanced security features, and flexible management options – locally, centrally, or via the cloud.

The AC200 controller enables central management and power supply for up to 4 access points in small wireless networks. It supports 200 APs and 100 users, features gigabit ports, and offers enterprise-class functions in a compact enclosure for desktop, wall, or DIN rail mounting.

The AC1000 controller designed for WiFi network management in small and medium installations enables central management of up to 200 access points and 100 users. It supports gigabit connections, provides carrier-class functions, and offers the option of rack or desktop 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 2988

Driver enabling operation of displays with an RGB-666 connector with resolutions from 480x272 to 800x600 pixels. Equipped with an ESP32-S3 microcontroller with 16 MB Flash memory and 8 MB PSRAM memory. Powered and programmable via USB Type-C connector. Adafruit 5800

A module that provides a regulated, galvanically isolated power supply. It allows easy changing of the output voltage from 5 V to 3.3 V using the voltage selection pin (VSEL). Galvanic isolation between input and output effectively prevents problems related to ground loops and ground currents, ensuring stability and protection of the system. Pololu 5384

Gravity module designed based on the GP8211 system. It is a single-channel DAC (analog-to-digital) converter with I2C communication that offers an output signal with a resolution of 15-bit and an accuracy of 0.01%. It allows you to generate analog signals with a voltage range from 0 to 10 V or 0 to 5 V. DFRobot DFR1071

An efficient Bluetooth 4.0 module that ensures excellent operating parameters and significantly increases the efficiency of wireless communication. It is based on the popular Nordic BLE 4.0 nRF51822 microcontroller, which guarantees both performance and low power consumption. It has a built-in Bluetooth stack and is controlled via the UART interface using AT commands. WT51822-S4AT

e-Paper display with a diagonal of 13.3" and a resolution of 960x680 pixels. Communicates via the SPI interface. Waveshare 13.3inch e-Paper (K)

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

TPA3110 digital stereo audio amplifier module. The system allows you to connect two speakers with an impedance from 4 Ω to 8 Ω and a power of 15 W