Current command:
lf pcf7931 write --help
This command tries to write a PCF7931 tag. usage: lf pcf7931 write [-h] -b <dec> -i <dec> -d <hex> options: -h, --help This help -b, --blk <dec> [0-7] block number -i, --idx <dec> [0-15] index of byte inside block -d, --data <hex> one byte to be written examples/notes: lf pcf7931 write --blk 2 --idx 1 -d FF -> Write 0xFF to block 2, index 1