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This compact (0.4″ × 0.5″) switching step-down (or buck) voltage regulator takes input voltages up to 50 V and efficiently reduces them to 9 V while allowing for a maximum output current of 600 mA. It has a very low dropout, so it can be used with input voltages that are within a few hundred millivolts of its output.

Step-Down DC-DC converter module based on the D36V6F12 system. Input voltage 12.2.50V, output voltage 12V (max. 600mA). Pololu 3796

Acrylic glass case designed for NanoPC T3 Plus and NanoPC T4 minicomputers. FriendlyELEC T4 & T3 PLUS Acrylic Case

Module with 2 QTRX type optocoupler with analog output. The module operates from 2.9 V to 5.5 V, detects objects at a distance of up to 30 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4442

Module with 9 QTRX type optocoupler with analog output. The module operates from 2.9 V to 5.5 V, detects objects at a distance of up to 40 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4409

The 2ON-2OC emergency switch designed for safety systems in various devices. Thanks to the stainless steel housing and water resistance, it is durable and reliable in difficult working conditions

Module with an infrared sensor MLX90640 - a measuring matrix with a resolution of 32x24 pixels. It offers an accuracy of 1.5°C and a viewing angle of 110x75°. Communication with the sensor takes place via the I2C interface. SparkFun SEN-14843

8-channel module with relays designed for minicomputers Raspberry Pi. It allows you to control devices powered by high voltage. Waveshare RPi Relay Board (B)

Surface-mounted IT socket with two shielded RJ-45 category 6 ports, designed for high-speed networks, offers universal IDC/LSA connectors, simple installation, and supports 26-22 AWG cables. Lanberg OS6-0002-W

VL53L8CX sensor module that offers fast and accurate distance measurement up to 4 m via I²C or SPI digital interface. It can measure distances to multiple targets simultaneously, providing depth map data with a resolution of up to 8x8. The built-in power supply circuit allows operation in the voltage range from 3.2 V to 5.5 V. Pololu 3419

Kit of accessories for building an autonomous racing robot based on NVIDIA Jetson Nano. Waveshare JetRacer ROS AI Kit Acce (EU)

Isolated USB - RS232/RS485 converter designed for industrial applications. It offers 4 channels for serial communication, including two RS232 and two RS232/RS485 channels. Provides easy communication between the USB interface and major serial communication standards. Waveshare USB TO 4CH RS232/485

The case is designed for Raspberry Pi Model 3B+/3B/2B. The casing modeled on the classic NES console. RetroFlag RPi NESPi Case +

Development Kit Artix-7 256 MB DDR3L, 16 MB Quad-SPI flash memory, programming via JTAG

The Raspberry Pi 5 case, made of durable ABS plastic, offers solid protection and easy mounting on a DIN rail in industrial environments. It has a transparent top window and a large interior space, allowing for convenient use and compatibility with various HATs. Waveshare PI5-CASE-DIN-RAIL-B

Development board with Espressif ESP32-S3R8 WiFi and Bluetooth LE module equipped with a dual-core Xtensa 32-bit LX7 processor. It offers 16 MB Flash memory and 8 MB PSRAM. The pins available on the board are compatible with Arduino Nano ESP32. Waveshare ESP32-S3-Nano

A computer performance monitor that allows you to display CPU, GPU, RAM and disk usage. It has a built-in microphone and an audio spectrum display function. It is connected to the computer via a USB port. Waveshare 4inch USB Monitor B

The LDLN030G33R is a linear LDO regulator from STMicroelectronics that provides a constant voltage of 3.3V with low dropout voltage and current consumption of up to 300mA. It features low power consumption (12µA) and low noise (6.5µVrms), making it ideal for precision applications such as powering RF modules and sensors.