HALJIA AD Keyboard Simulate Electronic Building Blocks 5 Key Module Analog Button Compatible with Arduino Sensor Expansion Board

AD Keyboard module allows you to use an analog port to read the five key states, save for the Arduino IO port, with Arduino sensor expansion board can be done using multiple buttons for interactive work. 5 buttons occupy an analog port, saving resources. Analog acquisition, press the different buttons of different voltage output. High quality Omron button, sensitive and durable. For arduino platform, compatible with arduino sensor interface.