cat /sys/devices/platform/emtest-device/power_data
napr:\\
...\\
[07] 1 Internal Audio Amp\\
[14] 0 Lock Device Servo\\
[15] 1 Block reader signal\\
...\\
nastavit polozku "Lock Device Servo" na 0
echo "[14] 0" > /sys/devices/platform/emtest-device/power_data