touch keyboard MPR121, smart led APA102
For PoE two converter on the 5V supply for the Orange PC and 12V for the lock.
The panel in standby mode continuously blinks white, pressed button lights in green, the wrong set - red lights.
The dialed number is stored in the INPUT and processed as filesystems.
NSF 532 it is impossible to connect the SPI, and connected as mpr121 via i2c, rfid code stored in the INPUT directory and is treated as filesystems.
Drivers from Raspberry and adapted for Orange