6011292730785792 Businesspro Mall Elecfreaks Octopus Digital Push Button Brick 藍色 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 projec Product #: businesspro-Elecfreaks Octopus Digital Push Button Brick 藍色 2022-10-18 Regular price: $HKD$28.0 Available from: Businesspro MallIn stock