IO: Face Unit #
The Face unit consists of two modules:
- ESP-WROVER-KIT_V4_1
 - TJA-1050 CAN driver module
 
The Unit can display a set of face expression by a command via the qCAN protocol. Each facial expression is defined by a jpg file:

(see lib_zakhar_faces for the sources)
Communication #
- Protocol: qCAN 0.2.0, standard CAN frame
 - Address: 0x4
 
Commands #
Each command should consists of a single byte
| Expression | Command code | 
|---|---|
| Anger | 0x32 | 
| Blink | 0x31 | 
| Calm | 0x30 | 
| Pleasure | 0x33 | 
| Sadness | 0x34 |