3 ms·
Most fingerprint sensors that look for a pulse can be fooled by a gummy bear that has been sliced thin enough to allow the pulse to pass through, but thick enou
by shaftway 4y ago
Most fingerprint sensors that look for a pulse can be fooled by a gummy bear that has been sliced thin enough to allow the pulse to pass through, but thick enough for the ridges to be picked up. Think about something around a millimeter thick.