1x4 Independent Button Keypad - 4 Standalone Keys tv-b-gone temperature sensing Temperature Sensor DS18B20

temperature sensing Temperature Sensor DS18B20 Module for Arduino temperature sensor with digital output analog output

There are two arrays

It can serve as half-wave and full-wave rectifiers

ventilation control

10 x analog inputs

1x4 Independent Button Keypad - 4 Standalone Keys tv-b-gone temperature sensing Temperature Sensor DS18B20Here'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