Black straight strip with gold-plated contacts, 2-row, female, 2x2, 2.54 mm pitch, THT, RoHS. PBD04S

Power switch that allows for controlled system on and off with simple button presses, with the ability to force shutdown after 10 seconds. It features a durable control circuit, LEDs, a self-resetting fuse, and offers low quiescent current, making it ideal for energy-efficient projects. SparkFun PRT-27081

Telescopic tube made of lightweight carbon fiber that provides portability and strength, ideal for GNSS projects. With an adjustable length (1.3m to 2.2m), built-in bubble level and stable D-shaped design, it is compatible with a wide range of GNSS devices, ensuring precise measurements in the field. SparkFun GPS-25795

Complete kit for building a gradiometer, including two FG-3+ magnetometer sensors, a PCB board, Android-enabled software, and a mobile app. The kit allows for easy assembly and quick start-up of the device, which will immediately start displaying readings on the LCD after connection. Additional accessories, such as sensor holders, sensor tuning pipes, and a housing, provide convenience, safety, and precise adjustment of the device to use. SparkFun WIG-25530

Advanced GNSS receiver based on the Quectel LG290P module, which supports four frequency bands: L1, L2, L5 and E6, enabling reception of signals from GPS, GLONASS, Galileo, BDS, QZSS and NavIC satellite systems. With support for SBAS and PPP, the module provides highly precise positioning, and the built-in anti-jamming unit minimizes electromagnetic interference, which ensures reliability in difficult conditions. The Qwiic connector allows easy integration with systems, and low power consumption makes it an ideal solution for applications requiring long-term battery operation. SparkFun GPS-26620

Module with 4-element 14-segment display with red backlight. The board is equipped with a Grove connector and communicates via the I2C interface. Seeed Studio 104020133

USB converter <-> UART, LQFP32, RoHS

OLED display, alphanumeric 2x16, 80x36 mm, negative (black background), white pixels, 3V/5V, RoHS

Module with 7-color display ACeP e-Paper with a diagonal of 4.01" and a resolution of 640x400 px. SPI interface. Waveshare 4.01inch e-Paper HAT (F)

USB 2.0 extension cable with a length of 15 cm enables convenient extension of USB device connections, ensuring compliance with the USB 2.0 standard and data transfer speeds up to 480 Mb/s. The compact cable length is suitable for applications requiring short and organized connections, such as connecting dongles, USB modems, portable drives, or development boards in confined spaces.

Module with a color LCD IPS display with a screen diagonal of 4" and a resolution of 800x480 px, dedicated to the Raspberry Pi. It communicates via the DSI interface. Pimoroni PIM370

DIP8

A set with a prototype breadboard equipped with a Grove connector. Seeed Studio 103020232

TQSolution LFT120FI45 is a plastic fan guard with dimensions of 120x120 mm, equipped with a 45 ppi density filter, mounted using clips or screws. It provides effective protection against dust and contaminants, improving the performance and durability of the fan.

DC-DC Step-Down converter module AP63203 with an output voltage of 3.3 V, an input voltage of 3.8 to 32 V and a maximum output current of 2 A. SparkFun COM-18357

The module with the ADIS16470 chip, which combines a 3-axis accelerometer and a gyroscope. The board is equipped with a Grove connector and communicates via the I2C or SPI interface. Seeed Studio 101020672

JST-SH 4-pin SMD connector for modules with Qwiic connectors. Pins\' pitch is 1 mm. Qwiic allows you to connect sensors via the I2C bus. SparkFun PRT-16766

Module with LCD IPS display, 1.14" diagonal and 240x135 px resolution. Communication via SPI interface. Waveshare Pico-LCD-1.14