Module with 8x8 RGB LED matrix, MY9221 LED drivers and STM32F031 microcontroller. The board is equipped with a Grove connector and communicates via I2C. Seeed Studio 105020073

Wireless sensor with LoRaWAN network communication. Dedicated to industrial long-distance data acquisition with a wide measurement range of temperature from -40°C to 85°C and humidity from 0 to 100% RH. Seeed Studio 114992867

The CH9121 enables bidirectional data transmission between UART and 10/100M Ethernet using the built-in TCP/IP stack. Two independent serial ports and a wide range of communication parameter configurations enable the integration of microcontrollers and embedded systems with IP infrastructure in industrial and IoT applications

The CH9141K enables bidirectional BLE-UART transmission in applications requiring reliable wireless communication and easy configuration via AT or BLE. The device is suitable for IoT modules, service diagnostics, wireless debugging and serial device upgrades, eliminating the need for a wired UART connection

The module with a digital stereo audio amplifier is equipped with Bluetooth communication. The system allows you to connect two speakers with an impedance of 6 Ω or 8 Ω with a power of 6 W per channel

Development kit designed to support rapid prototyping and knowledge of Azure Sphere technology. Seeed Studio 102991099

Module with air quality sensor SGP30. The board is equipped with a Grove connector and communicates via the I2C interface. Seeed Studio 101020512

A 24-channel input/output port expander module controlled by an I2C interface. It was based on the CH423 chip and equipped with a Gravity connector. DFRobot DFR0979

Module with temperature and humidity sensor DHT11. It uses a 1-wire communication interface and has a humidity measurement range from 20 to 90% with an accuracy of 5% and temperature from 0 to 50 ºC with an accuracy of 2 ºC

The Finder 65.61.9.024.0300 relay is a high current SPST-NO relay, designed to operate with a 24VDC coil, supporting a load of up to 30A at 250VAC. Its robust construction and 4kV voltage resistance between coil and contacts ensure reliable operation in industrial and high power control systems.

Module with OLED display 0.66" with a resolution of 64x48 px with displayed content in white. It communicates via the SPI interface. ModOLEDdisp0.66"SPIwhite

Module with OLED display 0.66" with a resolution of 64x48 px with displayed content in white. It communicates via the I2C interface. ModOLEDdisp0.66"I2Cwhite

A module with an electret microphone and an amplifier that will allow you to detect a voice, a clap or a door slam using the analog output

Module with LCD IPS 0.96" display with a resolution of 80x160 px. It communicates via the SPI interface. ModIPSdisp0.96"

LM35 analog temperature sensor module. It allows you to measure the temperature in the range from 0°C to 100°C with a resolution of 0.5°C

A compact Hall-effect current sensor that provides accurate DC and AC current measurement within a ±10 A range with galvanic isolation. It features a high-sensitivity analog VOUT output with a 150 kHz bandwidth, enabling fast and precise readings in dynamic systems. The module operates over a wide temperature range of -40°C to 125°C, and the low current path resistance minimizes energy loss. Its small size and flexible mounting options make it ideal for prototyping, industrial systems, and space-constrained projects. Pololu 5454

Module with an IR receiver. It is equipped with an XH2.54 connector and communicates via a digital interface

The compact MIDI synthesizer based on the XIAO ESP32-C3 and SAM2695 chip is a portable sound studio that lets you create music anywhere. With a built-in speaker, hundreds of instrument presets and support for up to 64-voice polyphony, it offers rich sounds and three modes: test, metronome and multitrack. With its open source, ease of use and pocket-sized format, it is the perfect tool for musicians, hobbyists and DIY creators. Seeed Studio 107990333

A compact Hall-effect current sensor that provides accurate DC and AC current measurement within a ±30 A range with galvanic isolation. It features a high-sensitivity analog VOUT output with a 150 kHz bandwidth, enabling fast and precise readings in dynamic systems. The module operates over a wide temperature range of -40°C to 125°C, and its low current path resistance (~1.6 mΩ) minimizes energy loss. Its small size and flexible mounting options make it ideal for prototyping, industrial systems, and space-constrained projects. Pololu 5451

A compact Hall-effect current sensor that provides accurate DC and AC current measurement within a ±10 A range with galvanic isolation. It features a high-sensitivity analog VOUT output with a 150 kHz bandwidth, enabling fast and precise readings in dynamic systems. The module operates over a wide temperature range of -40°C to 125°C, and its low current path resistance (~1.6 mΩ) minimizes energy loss. Its small size and flexible mounting options make it ideal for prototyping, industrial systems, and space-constrained projects. Pololu 5450