Capacitive sensing button or keypad

These keypad can save a lot of jobs on the control panel because a single piece of the PCB can hold as many as 50 buttons with any size and just depend on the array of these buttons, shapes, colors will offer the very attractive appearance and easy to use, the keypad can have LED mounted behind to help indicating the alarm mode or selected mode as wish. The keypad can have joystick design with arrows showing the 8 directions. For the interface wise the keypad can use LAN, RS232, RS485, RS422, bluetooth, WiFi... or any confortable way to save the wires to the PLC, computer, controller etc.