Product parameters
Product name: 4x4 matrix keyboard module
Voltage: 5V
Size: 55 * 70mm
Port: PH2.0
Process: Welding/SMT
Interface: 4PIN anti-reverse connection DuPont cable
Installation: M4 screws compatible with building blocks fixation
On board TTP229 capacitive 16 key touches sensing IC
Onboard power indicator light
