Apple has refused to provide the calibration tool for the sleep sensor to independent repair people. A German repairman has beaten Apple and developed a calibration tool.
Apple has refused to provide the calibration tool for the sleep sensor to independent repair people. A German repairman has beaten Apple and developed a calibration tool.
I think that’s usually done with capacitive sensing.
Or hall effect sensors (Lenovo laptops use this, I have set them off a few times with magnetic watch band clasps)