Address values

Seems to be 7 bit value with bit0=lower bit (not I2C RW bit), so left shifted by 1 when sent over the wire.

Clock Speed

  Wire.setClock(100000);  //100000 = standard mode (default)

  Wire.setClock(400000);  //400000 = fast mode

https://www.arduino.cc/en/Reference/WireSetClock

Comments

  1. SoothingMist

    3 years ago

    Can find nothing that specifies parameter and return-value data types for Wire.requestFrom. Are these integers, uint8_t, … ?