vdo-tach
- Read i2c data from VDO cpu addr 3633 and convert data through binary mapping to 12c for 1306 OLED display
- Initalise trip meter, skip through display pages
- Sense supply voltage using V-ref and resistor divider to Analogue A-D pin:
- Texas instruments i2c 3 wire digital temp sensor display, manifold temp etc
- Todo: pressure sensor