Arduino and Breadboard Holder

The analog pH meter, specially designed for Arduino controllers, with the connector (Gravity series). It has an LED which works as the Power Indicator, a BNC connector and PH2.0 sensor interface. The pH measurements at ± 0.1pH (25?). SEN0161

These stackable 0.1" (2.54 mm) female headers are just the right height for connecting  Arduino Uno, Arduino Mega 2560, Arduino Leonardo. The set includes two 1×6 female headers, two 1×8 female headers, and one 1×10 female header, so it has everything necessary for both old- and new-style shields. Pololu 1035

A set of stickers with a description of the pins dedicated to the Maker UNO plates. Cytron MAKER-UNO-STICKER

Arduino Pro 4G Module EMEA adds LTE Cat.4 connectivity with 2G/3G fallback to Portenta boards. With a mini PCIe form factor and multiple interfaces, it enables remote monitoring, firmware updates, and IoT data transfer

Transparent stand with dimensions of 12cm x 8cm, allows you to mount Arduino UNO R3 plate and contact plate with 400 holes (or smaller). Thanks to this basis of plexiglass, it is easy to avoid accidental short circuits or disconnecting wires while working on the project

A set containing a set of connectors, jumpers and buzzer for the A-Star platform. Polol 3110

Test module with 6 Pogo Pin spring probes designed to work with Arduino Pro Mini boards. It enables the programming of the set without the need to solder the pins

IR Remote Control for microcontroller development board, Arduino etc., RoHS