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

Module with e-Paper display, 4.2" diagonal and 400x300 px resolution. Communication via SPI interface. Waveshare Pico-ePaper-4.2

Module with the MiCS-5524 analog gas sensor. It allows you to measure the concentration of CO, CH4, 2H5OH, C3H8, C4H10, H2, H2S and NH3. DFRobot SEN0440

Pololu 5651 is an adapter that enables integration of JST PH and SH wires with circuits using a 2.54 mm pitch. Thanks to its compact design and the side-entry PH connector, it is suitable for projects with limited space and where wires need to be routed parallel to the PCB.

Bluetooth 4.1 audio receiver with 3.5mm Jack audio output. It allows you to play files via Bluetooth, from mass memory (pendrive) or microSD card and supports WAV, APE, MP3 and FLAC formats. XY-BT-L

Module with the LIS2DW12 3-axis accelerometer. The system has a user selectable measurement scale of ± 2g/±4g/±8g/±16g. It communicates via the I2C interface. DFRobot SEN0405

A small module with Flash memory W25Q65 with a capacity of 64 Mbit (8 MB). It communicates via the SPI interface

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

A set of 2300 SMD 0805 capacitors with 92 values in a booklet-style organizer provides a wide range of capacitances and rated voltages. It is suitable for prototyping, servicing and production of electronic circuits, enabling quick component selection and organized workflow.

4-port HUB module with USB 2.0 interface designed to work with the Raspberry Pi minicomputer. Waveshare USB HUB HAT (B)

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

The Step-Down Converter Module with Voltmeter and Ammeter offers a wide input and output voltage range, with a maximum output current of 12A and a power of 160W. It comes with advanced monitoring and protection features and its conversion efficiency is around 96%.

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.

RGB LED driver module designed for QT Py and Xiao boards. It uses a 3.3V/5V voltage level converter and allows to control 30 Neopixel LEDs. Adafruit 5645

Module with two white diodes. Dedicated to Voron 3D printers as hotend and printing nozzle lighting

The MQ-8 sensor allows the measurement of hydrogen concentration in the air. The measuring range of the sensor is in the range of 100 - 10,000 ppm.

7.5inch e-Paper (H) is a four-color e-paper display with a resolution of 800×480, designed for low-power outdoor and indoor applications. Controlled via SPI interface, it provides excellent readability under all lighting conditions and requires no power to maintain the displayed image.