1x4 Independent Button Keypad - 4 Standalone Keys tv-b-gone rain detection

rain detection

There are two arrays

1 × Weight Load Cell Straight Bar 200kg

and other small controllers

but 512 KB is very limited

1x4 Independent Button Keypad - 4 Standalone Keys tv-b-gone rain detectionHere's a pretty nifty device! The Keypad 1x4 Independent Button is an Arduino compatible electronic module that offers four momentary button inputs for your projects. You can connect to it using the five male header pins onboard. Each of the four buttons has one pin, and the remaining connects to the common ground line. Specifications: Size: 37*15*11mm Library: None Inclusions: 1 x 4 Independent Key Button Keypad Keyboard Module Documents: Close Up