The new Unit is based on the ESP-Wrover-Kit and uses a TJA1050 module for CANbus communication.
It is compatible with the qCAN protocol (described on the Zakhar main page) and can show 5 facial expressions: Anger (0x32), Sadness (0x34), Pleasure (0x33), a Blink (0x31), and Calm (0x30).
To control it you should send a CAN message with an expression code using a 125Kbit standard CAN frame and with the message id ending with byte 0x4. E.g. send a message with ID: 0x004, data: 0x33 to make Zakhar happy 😍.
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