Module with a 3-color (red, black, white) e-Paper display with a diagonal of 12.48" and a resolution of 1304x984 px. SPI interface. Waveshare 12.48inch e-Paper Module (B)

Step-Down Converter Module allows you to adjust the voltage from 5-36V to 1.3-32V, supporting a maximum of 8A current (5A recommended) and 200W power. It also features voltmeter, ammeter and short circuit protection, offering 94% efficiency and 180KHz switching frequency. XH-M403

The SUNON 120x120x38 mm fan is a solid and efficient cooling solution, ideal for industrial and automotive applications, meeting the highest safety standards. Sunon DP203A2123LST.GN

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

COB LED ring, made of aluminum PCB, emits cold white light (6000-6500k) at 12 V DC with a maximum current consumption of 300 mA, offering a wide beam angle of 120 °

Small form factor IR camera capable of tracking up to four heat/IR sources, can be controlled with Arduino, AVR via I2C interface. SEN0158

A module with a high precision temperature sensor based on the MCP9808 chip. It allows for measurements with an accuracy of ±0.25°C and communicates via the I2C interface. DFRobot SEN0435

ARM Cortex-M0+ MCU, Low power, 64kB Flash, 8kB RAM, USB, 2xUSART, 2xI2C, 2xSPI, ADC, STM, LQFP64, RoHS

Touch keyboard module with 8 buttons and one line sensor (slider)

Cable with USB type A and USB type B 2.0 plugs, cable length 3 m, black color. Lanberg CA-USBA-10CC-0030-BK

The audio level indicator module with screw connection is a versatile device that makes monitoring audio levels much easier while being easy to install and use.

3-color (red, black, white) e-Paper display with a diagonal of 1.54" and a resolution of 200x200 px with passive power supply via NFC. Waveshare 1.54inch NFC-Powered e-Paper (BW)

This module provides precise current, voltage, and power measurement in DC systems up to 85V and 10A. It features a 16-bit ADC, fast alarm response, and an I2C interface for easy integration with Arduino, Raspberry Pi, and CircuitPython. The module supports both high- and low-side measurement and automatic power calculation, and the STEMMA QT connector allows for quick, solderless installation. Adafruit 6349

COB LED ring, made of aluminum PCB, emits cold white light (6000-6500k) at 12 V DC with a maximum current consumption of 900 mA, offering a wide beam angle of 120 °

The ESP32 WiFi and Bluetooth module has a dual-core 32-bit MCU that integrates WiFi HT40 and Bluetooth / BLE 4.2 technology. Designed for mobile devices and Internet of Things (IoT) applications. DFRobot TEL0111

DC-DC Step-Down converter module. It has an input voltage from 12 to 45 V, an output voltage of 12 V and a maximum output current of up to 2.8 A. Pololu 4896

The Step-Down panel-mounted converter module enables precise regulation of input voltage (6V-70V) and output current (0-5A), with a maximum output power of 300W, conversion efficiency up to 95%, and short-circuit and anti-reverse connection protection. The device, with dimensions of 120mm x 64mm x 72mm, is equipped with continuous regulation functions, with a resolution of 0.01V for voltage and 0.001A for current, and operates in a temperature range of -10 to +75 degrees Celsius.

DC-DC Step-Down converter module. It has an input voltage from 15 to 45 V, an output voltage of 15 V and a maximum output current of up to 2.7 A. Pololu 4897

Micro HDMI adapter with FFC connector. Designed for prototyping devices with HDMI interface. Waveshare Micro HDMI Adapter Vertical