The ACS72981 current sensor module uses the Hall effect to accurately and safely measure AC and DC current, providing electrical isolation of the current path. With a wideband analog output (up to 250 kHz) and low conduction resistance (0.2 mΩ), it minimizes energy loss and offers a fast response time of less than 2 µs. Pololu 5263

Module with a voltage level converter 3.3 V - 5 V intended for use in the Qwiic system. It has a built-in Step Up converter providing power supply with a voltage of 5 V and a current of up to 100 mA. SparkFun SPX-17238

Universal PCB designed for mounting a 7 or 9-pin vacuum tube socket. It has additional prototype fields with a pitch of 2.54 mm for the assembly of THT elements. LG-159H

A LoRa wireless communication module dedicated to long-distance data transfer. It operates in the 868 MHz frequency band and is equipped with a USB interface. Waveshare USB-TO-LoRa-HF-B

A module with line sensors designed to work with the Kitronik kit. It has two sensors in the form of phototransistors that generate an analog voltage that can be read by the microcontroller. The module is equipped with a 4-pin connector (3V, 0V, L, R), which allows for power supply and reception of signals from the sensors, and the output voltage changes depending on the detected surface, which allows it to be used not only with the Kitronik kit, but also with platforms such as Arduino or Raspberry Pi Pico. Kitronik 56111

Lanberg brand power cord from CEE 7/7 to IEC 320 C13 for PC, laptop and server power supplies. Lanberg CA-C13C-10CC-0018-BK

Waveshare DDSM Driver HAT (B) is an advanced hub motor driver for DDSM400 motors, based on the ESP32, featuring both wired (USB, UART) and wireless (WiFi, ESP-NOW) communication. It supports control of up to 6 motors using JSON commands and integrates with Raspberry Pi, making it a suitable solution for mobile robotics and multi-motor system projects.

SanDisk Ultra microSDXC 128GB 140MB/s C10 Memory Card with Adapter

A high-performance and reliable storage solution with large capacity, offering fast data transfer, compatibility with various devices, and durability in challenging conditions. Ideal for smartphones, tablets, action cameras, and drones.

Step-up DC-DC converter module, 0.9-5V input voltage, 5V output voltage (max. 600 mA) connected to the USB socket. There is a diode on the board indicating the power connection. modPS

A modern current sensor combining the Hall effect with an inductive coil, which allows for precise measurements of both the DC and AC components up to 5 MHz. Thanks to its lightning-fast response time and low path resistance, it is perfect for motor control systems, power converters and protection systems. Pololu 5230

JACK plug 3.5, stereo, metal.

LCD display module, with IPS screen, 1.69 inch diagonal, 240 x 280 resolution, with built-in controller, communication is via SPI interface.

Camera with a resolution of 5 MPx with a USB interface. Equipped with a CMOS OV5648 sensor with a wide-angle lens with a viewing angle of 110°. ArduCAM B0454

The module with a 2" color IPS LCD display. It has a resolution of 240x320 pixels and an ST7789 controller. Communication with the module is realized through SPI interface. Waveshare 2inch LCD Module

4-port HUB with USB 2.0 interface designed for industrial use. Enclosed in a metal housing. Waveshare USB-HUB-4U-NP

TS391IYLT, Low power single voltage comparator, SOT-23-5

The 24C02CT-I/ST is a low-voltage, energy-efficient 2 kbit EEPROM memory with an I²C interface, optimized for reliable storage of configuration data in industrial, consumer, and embedded applications. Its TSSOP-8 package and long data retention make it suitable for integration into compact electronic systems.

A double comparator with an ultra low current in the MiniSO8 housing. STMicroelectronics TS882IST

Knob with an inner diameter of 6 mm for mounting on a rotary potentiometer. Yellow color

Module with 8 relays with a voltage of 12 V and a load of up to 10 A. The board communicates via the Ethernet interface. Numato Lab 8ETHRL001