# AdcReport (UORB message) [source file](https://github.com/PX4/PX4-Autopilot/blob/main/msg/AdcReport.msg) ```c uint64 timestamp # time since system start (microseconds) uint32 device_id # unique device ID for the sensor that does not change between power cycles int16[12] channel_id # ADC channel IDs, negative for non-existent, TODO: should be kept same as array index int32[12] raw_data # ADC channel raw value, accept negative value, valid if channel ID is positive uint32 resolution # ADC channel resolution float32 v_ref # ADC channel voltage reference, use to calculate LSB voltage(lsb=scale/resolution) ```