Module with RP2040 microcontroller and digital I2S DAC converter and built-in 3W stereo amplifier, allowing to connect speakers to Raspberry Pi or computer via USB-C. Provides clear sound without the need of using 3.5 mm jack socket and offers easy connection of speakers via screw terminals without soldering. It is equipped with a connector for volume encoder and Qw/ST port for integration with other modules via I2C. Pimoroni PIM742

Module with rotary potentiometer. The connector in this module has been moved to the other side of the PCB, which makes it easier to assemble and use this module. The module has a connector in accordance with the Grove standard. Seeed studio 101020048

1.9inch Touch LCD is a compact IPS display with capacitive touch, designed for projects based on microcontrollers and single-board computers. Thanks to the SPI and I2C interfaces and built-in logic level conversion, it allows easy integration with platforms such as Raspberry Pi, ESP32, STM32, and Arduino.

7.5inch e-Paper HAT (H) is a four-color e-paper display with a resolution of 800×480, designed for applications requiring low power consumption and readability without backlight. Communication via SPI and compatibility with popular development platforms enable quick deployment in information systems and industrial signage.

Module with a slide potentiometer. Depending on the position of the slider, the resistance value (maximum resistance 10kΩ) changes, which translates into the voltage value at the analog output of the module. The module has a connector in accordance with the Grove standard. Seeed studio 101020036

The module with a TA12-200 current sensor with a measuring range of alternating current up to 5 A. The board is equipped with a Grove connector and communicates via an analog interface. Seeed Studio 101020027

LED and audio controller designed for lighting effects in LEGO® compatible models, dioramas and decorations. It offers six mono channels, one RGB channel, audio amplifier, sensor inputs and a Qw/ST connector – all without the need for soldering. It enables the creation of advanced animations, lighting effects and synchronized audio in a compact form factor. Pimoroni PIM719

LED and audio controller designed for lighting effects in LEGO® compatible models, dioramas and decorations. It offers six mono channels, one RGB channel, audio amplifier, sensor inputs and a Qw/ST connector – all without the need for soldering. It enables the creation of advanced animations, lighting effects and synchronized audio in a compact form factor. Pimoroni PIM718

Resistive soil moisture sensor. The board is equipped with a Grove connector and communicates via an analog interface. Seeed Studio 101020008

Module with a black and white OLED display with a diagonal of 0.5" and a resolution of 60x32 pixels. It can be directly plugged into the Arduino Micro board. DFRobot DFR0376

4G LTE module enabling reliable data transmission over the cellular network, ideal for IoT projects in hard-to-reach places. Equipped with an SP/CE connector, SIM slot and SMA antenna, it allows for solderless connection and quick integration with Raspberry Pi or Pico. It supports European LTE bands, and with low transfer consumption it works great with prepaid cards. Pimoroni PIM746

A non-contact magnetic field sensor with a range of ±1.5 mT and a sensitivity of 1500 mV/mT at 5 V. It offers an analog ratiometric output and a flag signal activated when field thresholds are exceeded. It features a fast response time (20 µs) and a 30 kHz bandwidth with a built-in RC filter. Its compact design, AC/DC capability, and easy mounting make it ideal for energy-efficient and safe current monitoring systems. Pololu 5352

Zynq-7000 All Programmable SoC, Dual ARM Cortex-A9 MPCore, Artix-7 FPGA, 28K Logic Cells, 667MHz CSPBGA400, Xilinx

Pololu 4816 is a set of two JST SH 5-pin top-entry adapters that enable integration of JST SH wires with breadboards and prototype boards. With support for voltages up to 50 V and currents up to 1 A per pin, the adapters are suitable for many prototyping, communication, and power applications.

Pololu 4815 is a set of two JST SH 4-pin side-entry adapters that allow connecting JST SH wires to breadboards and prototype boards. Thanks to the side-entry wire insertion, these adapters are particularly useful in projects with limited space and where organized cable routing is important.

The module is equipped with four 10A / 250VAC relays controlled independently via a serial bus (UART) or from a PC (through a microUSB connector). The NO / NC contacts of the relays have been led to the ARK screw terminals. ICSTATION ICSE012A

LCD panel with the possibility of controlling its transparency. Can block up to about 95% of incident light. Adafruit 3330

The Finder 20.22.9.024.4000 relay enables control of loads up to 16 A using a 24 V DC pulse signal. The double NO contact configuration and DIN rail mounting make it suitable for electrical installations requiring energy-efficient and reliable switching.

Dual DC motor controller designed for Arduino, which enables the motor to be supplied with voltage in the 4.5 ... 28V range and power consumption in continuous operation of 2.6 A (5A at the top) of two DC motors. Polol 2520

Dual DC motor controller designed for Raspberry Pi, which enables the engine to be supplied with voltage in the 4.5-28V range and power consumption in continuous operation of 2.6A (5A in peak) of two DC motors. Self-assembly set. Pololu 2761