- Pin 2 to Pin 14 on DK
- Pin 3 to Pin 15 on DK
Do not connect GND and VDD.
The BMV-712 returns these values:
| Property | Value Example | Units | Description |
|---|---|---|---|
| PID | 0xA381 | Product ID | |
| V | 12991 | mV | Main or channel 1 (battery) voltage |
| T | 22 | °C | Battery temperature |
| I | -4696 | mA | Main or channel 1 battery current |
| P | -61 | W | Instantaneous power |
| CE | -2160 | mAH | Consumed Amp Hours |
| SOC | 993 | ‰ | State-of-charge |
| TTG | 1750 | Minutes | Time-to-go |
| Alarm | OFF | Alarm condition active | |
| Relay | OFF | Relay state | |
| AR | 0 | Alarm reason | |
| BMV | 712 Smart | Model description (deprecated) | |
| FW | 0403 | Firmware version | |
| H1 | -28064 | mAh | Depth of the deepest discharge |
| H2 | -2160 | mAh | Depth of the last discharge |
| H3 | 0 | mAh | Depth of the average discharge |
| H4 | 0 | Number of charge cycles | |
| H5 | 0 | Number of full discharges | |
| H6 | -49512 | mAh | Cumulative Amp Hours drawn |
| H7 | -314 | mV | Minimum main (battery) voltage |
| H8 | 14686 | mV | Maximum main (battery) voltage |
| H9 | 4747 | Seconds | Number of seconds since last full charge |
| H10 | 0 | Number of automatic synchronizations | |
| H11 | 0 | Number of low main voltage alarms | |
| H12 | 0 | Number of high main voltage alarms | |
| H15 | 0 | mV | Minimum auxiliary (battery) voltage |
| H16 | 0 | mV | Maximum auxiliary (battery) voltage |
| H17 | 63 | 0.01 kWh | Amount of discharged energy |
| H18 | 96 | 0.01 kWh | Amount of charged energy |
docker build -t zephyr-bmv712reader .
docker run --rm -v ${PWD}:/workdir/ncs/zephyr-bmv712reader zephyr-bmv712reader \
/bin/bash -c 'cd /workdir/ncs/zephyr-bmv712reader && west build -p always -b nrf9160dk_nrf9160ns'
nrfjprog -f nrf91 --program build/zephyr/merged.hex --sectoranduicrerase -r --log