Sound recording module with I2C interface. It can store sounds up to 100 seconds long. DFRobot SEN0197

UART to Wi-Fi 802.11 b/g/n converter module with external antenna, which can connect traditional serial device and MCU controlled device to Wi-Fi network for control and management. USR-WIFI232-B2

Grove - ORP Sensor Kit Pro is an advanced liquid ORP measurement kit that measures water quality from -2000 mV to +2000 mV. With a 5-meter IP68 probe and compatibility with Arduino and XIAO, it is ideal for monitoring aquatic environments, wastewater treatment and aquaculture.

A set of connectors used in the Breakout Garden modules from Pimoroni. Designed for soldering on PCBs. Pimoroni COM3900

USB-A Plug with 25 cm Cable, 4-pin, designed for power and communication applications in USB 2.0 standard. Ideal for DIY projects and simple circuits requiring 5 V DC power supply.

Durable and flexible test leads terminated with insulated alligator clips, designed for safe testing of devices powered with up to 1000 V and 15 A. The soft silicone insulation provides heat resistance, working comfort, and high flexibility for repeated use.

32-bit microcontroller from the STM32L4 family (low power series) with ARM Cortex-M4 core, 128kB Flash memory, 40kB RAM, clock speed up to 80MHz and I2C, SPI, UART / USART interfaces, USB FS, LIN, IrDA, I2S, DMA , Motor Control PWM, Temp Sensor, WDT, A / D 10x12b in the LQFP48 housing. STMicroelectronics STM32L412CBT6

Ethernet board with mini SD card slot based on W5100 controller.

The Double Eye LCD 0.71-inch module Waveshare 29381 with two displays, each with a resolution of 160×160 and an SPI interface, offers a compact solution for projects with limited space and high visual demands. Featuring full-color IPS panels, compatibility with microcontrollers, and included convex lenses, the module is ideal for creative applications such as user interfaces, wearable gadgets, or interactive robots.

Small LED matrix display with built-in rechargeable battery. Programmable via USB and Windows PC or Bluetooth and iOS and Android applications

The nRF7002 is a board that allows you to add Wi-Fi connectivity to the Nordic Thingy:53 development kit. It connects to the Thingy:53 edge connector and enables the development of Wi-Fi 6 applications for low-power applications. Nordic Semiconductors nRF7002-EB

The SanDisk Ultra microSDHC 32 GB 120MB/s C10 memory card is an efficient and reliable high-capacity storage medium, offering fast data transfer, compatibility with various devices and resistance to difficult conditions, ideal for smartphones, tablets, sports cameras and drones

32-bit microcontroller with ARM Cortex-M4 core MCU + FPU, Ultra-low-power, 2MB Flash memory, 640KB SRAM memory, LCD-TFT & MIPI DSI, LQFP144, STM

Module with three voltage analog outputs ranging from 0 to 10 V. It communicates via the RS485 interface and supports the Modbus RTU protocol. The board is enclosed in an industrial housing. Wellpro WP3079ADAM

The Pololu MinIMU-9 v5 is an inertial measurement unit (IMU) that packs an LSM6DS33 3-axis gyro and 3-axis accelerometer and an LIS3MDL 3-axis magnetometer onto a tiny 0.8″ × 0.5″ board.

RGB LED matrix display with 13x9 LEDs. Equipped with IS31FL3741 driver and two STEMMA QT connectors. Adafruit 5201

A camera module with a 5 MP OV5640 image sensor, designed for use with the Renesas RZ/V2L Evaluation Kit, featuring a wide-angle lens with an 84.2° field of view and support for Full HD 1080p video at 30 fps. ArduCam B0530

Single-channel reflectance sensor from the QTR-MD series, 8 mm wide, featuring an RC output and a side-entry connector. Designed for line detection, surface contrast measurement, and edge detection in mobile robotics and automation systems. Pololu 4140

Motion Processing Unit, 3-Axis Gyro + 3-Axis Accel MEMS Device, I2C, QFN24, InvenSense, RoHS