A large LED array panel of dots to connect to your PI, Arduino and more! This large, bright 512 LEDs  has integrated controller circuits designed to facilitate direct use on your board.

A Universal Relay Board Kit with 16 Relays and Connectors included! Transformer included. The 12V DC output can be used as a power supply for other kits. Each outlet can be equipped with a noise suppressor.

Stem Shield for your Arduino, the Velleman.

In/Out Shield for your Arduino, Velleman.

Light Sensitivity Switch Kit, Velleman.

Velleman Coded Lock Kit.

LED Tester - Velleman.