Module with LM2596 step-down converter and LM2577 step-up converter. The inverter has a battery and battery indicator with constant current

Module with a stepper motor driver based on the DRV8434 system. It allows you to power a bipolar motor with a current of up to 1.2 A per phase and a voltage from 4.5 V to 48 V. Pololu 3762

Compact and versatile all-in-one card reader. It is equipped with 4 slots and is compatible with cards such as SD, Mini SD, Micro SD, MMC, RS-MMC, memory stick, memory stick pro/duo/pro duo. Supports memory cards with a capacity of up to 64 GB. NATEC MINI ANT 3

Board with the WiFi ESP-12F (ESP8266) module and a 5 V relay. Equipped with an AC adapter

Patchcord Lanberg Cat. 6 with Fluke Passed certification is a guarantee of the highest quality and reliability, enabling an optimal network connection compatible with various network devices in any environment. Lanberg PCU6-10CC-0750-S

Audio amplifier based on the TPA3116 chip with a power of 100 W with an active low-pass filter. Dedicated to the bass column (subwoofer)

Adapter for MQ gas sensor with potentiometer for analog signal calibration. MOD 72

Crowtail – Electricity Sensor 2.0 enables precise measurement of alternating current up to 5 A, converting the signal into a 2 V analog voltage. Intended for energy monitoring projects and integration with microcontroller systems.

The cable is easiest way ever to connect to your microcontroller/Raspberry Pi/WiFi router serial console port. The power pin provides the 5V @ 500mA direct from the USB port and the RX/TX pins are 3.3V level for interfacing with the most common 3.3V logic level chipsets. Adafruit 954

The adapter allows you to connect a mouse with a round PS2 plug to a USB port on your computer.

3.5 inch Touch Screen TFT LCD Designed for Raspberry Pi, 320×480 resolution. Waveshare 3.5inch RPi LCD (A)

Crowtail-Mini PIR Motion Sensor 2.0 is a miniature digital PIR sensor with a built-in DSP and RFI filter, intended for motion detection in compact systems. It is used in alarms, lighting control and robotics.

Crowtail – A6 GPRS/GSM Module enables data transmission, voice calls, and SMS messaging over the 2G network, integrating with Crowtail/Arduino systems. Ideal for remote IoT applications, automation, monitoring, and communication projects.

Spring-loaded test needle for connecting and testing modules without soldering

DC-DC Step-Up converter U3V40F12 with an output voltage of 12 V, an input voltage of 1.3 to 12 V and a maximum output current of 4 A. Pololu 4016

Spring-loaded test needle for connecting and testing modules without soldering