The 10.85-inch e-paper display from Waveshare with HAT+ module is an advanced solution for low-power information display in industrial, advertising, and informational applications. Support for four colors and full compatibility with Raspberry Pi and other microcontrollers via SPI make it a versatile tool for projects requiring durable and highly readable data presentation.

Electromagnetic relay SRD-05VDC-SL-C with a coil voltage of 5 V allows controlling mains and low-voltage devices in electronic projects. Suitable for PCB boards, control modules, and automation systems.

Laser distance sensor with a measuring range from 0.1 m to 12 m. Communicates via the UART or I2C interface. Benewake TFmini Plus

Module with ultrasonic distance sensor HC-SR04 with a range of up to 400 cm. It communicates via the I2C interface. SparkFun SEN-15171

The ESL-Gateway-AP base station is a key infrastructure component for electronic label systems based on e-paper technology. With WiFi and BLE connectivity and PoE power support, it enables centralized and wireless content management on ESL labels in commercial and industrial environments. Ideal for automated real-time labeling of shelves, products, and assets.

Data logger based on the ATmega328 microcontroller. Data received via the I2C interface are saved on the microSD card. The module supports cards with a capacity of up to 32 GB. SparkFun DEV-15164

The ESL-ePaper-3.5G display is an energy-efficient and durable solution for digital shelf labels and signage. With BLE communication and a four-color e-paper screen, it offers flexibility for commercial and industrial applications, enabling remote content management via the Waveshare.cloud platform and the ESL-Gateway-AP base station.

USB TO RS232/485 (C) is a versatile signal converter based on the reliable FT232RNL chip, enabling stable serial communication via a USB port. With support for both RS232 and RS485 and broad system compatibility, it is suitable for testing industrial devices, programming microcontrollers, and integration with computers in various hardware environments.

A sensor that detects the concentration of hydrogen fluoride. Equipped with a factory calibrated probe. It communicates via the I2C interface, UART or analog output. DFRobot SEN0475

Waveshare 4.2" (G) e-paper module offers four-color display while maintaining ultra-low power consumption and a wide viewing angle. The built-in SPI interface and voltage level converter allow integration with popular microcontroller platforms, making this product a versatile solution for use in labels, signage, and user interfaces.

RF Cable 0.5 m SMA M–SMA F is a shielded coaxial cable designed for extending and connecting devices with SMA sockets. It offers stable transmission parameters and low attenuation over a wide frequency range.

GPS module with GNSS receiver ZED-F9T. It supports L1 / L2 / E5b bands and provides clocking accuracy of up to five nanoseconds. Qwiic connector. SparkFun GPS-18774

The Texas Instruments H-bridge allows control of two DC brush motors or one stepper motor. The supply voltage of the motor is in the range of 0-11V, maximum current efficiency 1.5A / bridge. The system has a 12WSON housing

I2C multiplexer module with TCA9548A system. Allows you to connect up to 8 devices. The system works like a gateway - it transmits I2C interface data to one of the 8 main busses. This allows you to connect up to 8 devices with the same address. Adafruit 2717

8-channel analog acquisition module with default current measurement mode (0–20 mA), designed for industrial applications requiring stable and precise data acquisition. Compatible with current sensors, it supports RS485 communication and the Modbus RTU standard, allowing easy integration with SCADA systems and PLC controllers. Galvanic isolation and noise immunity make it suitable for environments with high EMC requirements. Ideal for industrial process monitoring, environmental parameter measurement, and building automation.

Module with a 3-axis magnetometer based on the MLX90393 system. It has a measuring range from ± 5mT to ± 50mT and a resolution of 0.161 µT. The I2C or SPI interface is used for communication. Adafruit 4022

Standalone 4.2-inch four-color e-paper panel is an excellent solution for projects requiring high contrast, wide viewing angle, and exceptionally low power consumption. It requires an external SPI controller and is ideal for shelf labels, signage systems, and informational applications with easy integration into popular microcontroller platforms.

The complete ESL set from Waveshare enables wireless management of electronic labels in various sizes, making it an ideal solution for stores, warehouses, and industrial signage systems. With BLE support and an integrated cloud platform, the system allows centralized content management with high energy efficiency and long operating time without the need for frequent battery replacement.