1.Five buttons occupy a simulation port and save more resources.

2.Analog variables acquisition, press different keys and output different voltage.

3.Adopt high quality omron buttons, sensitive and durable.

4.Independent wiring in contact area , safe and reliable.

5.Standard interface that can be expanded in a variety of development boards.

6.Equipped with screw holes for easy installation.

7.Applicable to a variety of platforms including AVR / ARM.