Waveshare 7.3" (E) is a full-color e-paper display designed for integration with custom systems via the SPI interface. Thanks to E Ink Spectra 6 technology, the display is suitable for use in shelf labels, asset tags, information boards, and other projects where low power consumption, good readability, and print-like image aesthetics are essential. It works with popular hardware platforms such as Raspberry Pi, Arduino, Jetson Nano, and STM32 via an optional HAT module.

Waveshare 7.3" (E) with HAT module is an advanced, full-color e-paper display based on E Ink Spectra 6 technology. The module is intended for applications where high readability, low power consumption, and image persistence are essential—such as electronic labels, asset tags, or information boards. It supports popular hardware platforms like Raspberry Pi, Jetson Nano, Arduino, and STM32, offering broad compatibility and flexibility in electronic project integration.

Measurement module for dissolved oxygen in water. It allows you to determine the level of water quality. The set includes a measuring module and a probe. DFRobot SEN0237-A

Module with omnidirectional digital microphone MEMS INMP441. It communicates via the I2S interface

The CAN-BUS Arduino Shield v2.0 can be stacked on an Arduino UNO, Arduino Leonardo or Arduino MEGA board. The shield integrates an MCP2515 CAN-BUS chip on the shield and has a CAN-BUS transceiver function. With an on-board DB9 and CAN-BUS connector you can choose a suitable port according to your host device. There is also an integrated MicroSD socket for data storage. DFR0370

Module with 4-channel ADC ADS1115 converter. The system enables analog voltage conversion for single signals and differential signals with 16-bit resolution. I2C communication

An HDMI splitter that doubles the signal to two HDMI outputs without losing image quality. It allows you to connect two devices with HDMI input, to one HDMI source (eg console, DVD player, etc.). It offers full compatibility with the HDCP standard (V.1.2). 5901785360103

Adapter from DC 5.5 x 2.1 mm male connector to terminal spring connector

LED diode 10LED red - bargraph, replacement for: DC-10EWA

Adapter from female RCA connector to terminal spring connector

Small Signal Diode, SOD80, Fairchild Semiconductor, RoHS

AVR, 32kB Flash, 2kB RAM, 1kB EEPROM, TQFP44, RoHS

Flora NeoPixel 30 RGB LED Strip in Reel - White Backing. Adafruit 1376

The 10-core female-to-female connection wire with a length of 30 cm and a pitch of 2.54 mm provides reliable and flexible connections between modules and starter kits in DIY projects and prototypes

Earth humidity sensor with analogue output, supplied with 3.3 to 5.5 V voltage with Gravity connector. DFRobot SEN0193

This miniature IEEE802.3af-compliant PoE module provides 5V power to devices at up to 8W without the need for a separate power cable. It supports both end-span and mid-span modes, offering high efficiency, electrical isolation, and easy integration into IoT and embedded systems. WIZnet WIZPoE-P1

R20103UYW - Backlight 20x10mm, 8 LED ultra yellow, light intensity 20 mcd (10mA) (2.0V), df 591nm, TOA-L12ZMY-N

LED diode 10LED two-colored - bargraph, ultra-10mcd (4mA) - max: 40mcd (20mA), ultragreen 10mcd 4mA) - max: 40mcd (20mA)

Set of 45 DIP switches in a handy box

LED diode 10LED two-colored - bargraph, ultra-10mcd (4mA) - max: 40mcd (20mA), ultragreen 10mcd 4mA) - max: 40mcd (20mA)