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ventilation control
but 512 KB is very limited
rain detection
temperature sensing Temperature Sensor DS18B20 Module for Arduino temperature sensor with digital output analog output
It can serve as half-wave and full-wave rectifiers
1x4 Independent Button Keypad - 4 Standalone Keys tv-b-gone ventilation controlHere'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
US$ 70.00
US$ 60.00
US$ 70.00
US$ 70.00
US$ 70.00
US$ 60.00
