LCD 2x20, 116x37mm, no backlight, 9.5mm max, enhanced temperature range, fast (HY-2002A-401-R)

The pad for use with shallow Feather series contains two TB6612 chips that allow you to control DC motors or stepper motors. The I2C interface is used to communicate with the overlay. Adafruit 2927

Low power Wi-Fi module integrating wireless LAN and Cortex-M4 STM32F411CE microcontroller. It has 2 MB external flash memory, 512 KB bytes embedded flash memory, 128 KB RAM and peripherals. Seeed Studio 113990108

A compact voltage converter module that reduces input voltage from 6.3 to 65 V to a stable 6 V at currents up to 700 mA. It features high efficiency, low quiescent current (<0.4 mA), and short-circuit and thermal protection, ensuring safe and efficient operation. Its small size and ease of integration make it ideal for mobile devices, battery-powered designs, and systems requiring stable power. Pololu 5434

A compact ESP32-based LED driver with WiFi and Bluetooth support, designed to work with WLED software. It allows you to control RGB lighting and animations, offers two 5V logic outputs, and a built-in I2S microphone that responds to sound. Power is provided via USB Type-C (5V/4A) with an automatic fuse, ensuring stable operation, and the Stemma QT I2C connector allows for easy connection of additional modules. Adafruit 6314

Ultrasonic ToF sensor dedicated to the identification of materials at a distance of 2 to 10 cm. It can distinguish between hard and soft materials and transmits information via digital IO (high/low) or UART interface. DFRobot SEN0560

USB A-microB USB cable with a length of 1m, white-blue cable, flat, blue plugs illuminated with RGB diode

Set of flat and fork connectors. The box contains 330 connectors in three colors: red, blue and yellow. Connectors are designed for wires from 10 to 22 AWG.

A compact buck module that reduces input voltage from 4 to 65 V to a stable 3.3 V at up to 700 mA. It features high efficiency, low quiescent current (<0.2 mA), and short-circuit and thermal protection, ensuring safe and efficient operation. Its small size and ease of integration make it ideal for mobile devices, battery-powered designs, and systems requiring stable power. Pololu 5432

This 40-pin GPIO module for the Raspberry Pi features 128 red LEDs arranged in a 16x8 grid. Using the IS31FL3731 driver communicating over the I2C bus, each LED can be independently controlled with 8-bit brightness control, enabling smooth animations and lighting effects. The module stores up to eight frames of animation in RAM and utilizes Charlieplexing technology, offering efficient control with a minimal number of pins. Adafruit 6115

A module with a high precision temperature sensor based on the MCP9808 chip. It communicates via the I2C interface. Adafruit 1782

A compact voltage converter module that reduces input voltage from 5.2 to 65 V to a stable 5 V at currents up to 700 mA. It features high efficiency, low quiescent current (<0.2 mA), and short-circuit and thermal protection, ensuring safe and efficient operation. Its small size and ease of integration make it ideal for mobile devices, battery-powered designs, and systems requiring stable power. Pololu 5433

A magnetic stirrer that uses a rotating magnetic field to very quickly spin an element immersed in a liquid, which leads to its mixing. It will be used in laboratories. DFRobot FIT0537

Gravity: UART MP3 Voice Module is an MP3 sound player module with a built-in 8 MB memory. It is powered by 3.3-5V and controlled by the UART interface. DFRobot DFR0534

Gravity: Digital Crash sensor is a microswitch module (left) often called a limit switch. The module is powered by 5V voltage and has a digital two-state output. DFRobot SEN0138-L

Lanberg Cat. 6A patch cord with Fluke Passed certification guarantees the highest quality and reliability, enabling optimal network connection compatible with various network devices in any environment. Lanberg PCF6A-10CC-0100-R

Module with MEMS microphone; model SPW2430 with built-in amplifier. The plate also has a 3.3 V voltage stabilizer needed to power the microphone. Adafruit 2716

Module with a button, LED diode and a blue cap. DFRobot DFR0029-B

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 5444