Click to expand Tap to zoom Octopus Digital PushButton Brick OBPushButton - Blue by Elecfreaks Save HK$-2.00 HK$23.00 | / 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart This is a digital push button sensor, which detects your press action. It is ideal for beginner class to test the Arduino or be your first sensor in your project. It was easy be used for Chipkit, STM32, AVR, ARM and other mirc-MCU.