Sensor measuring acceleration or movement.
Sensor measuring acceleration or movement.
Sensor measuring surrounding light levels.
Sensor detecting nearby objects without physical contact.
Hardware measuring biological characteristics for identification.
Device or camera system that reads QR codes.
Device that optically reads barcodes.
Hardware that reads RFID tags wirelessly.
Device that reads data from smart cards.
Sensor that captures fingerprint patterns.
Hardware responsible for detecting touchscreen input.
Everything is a system, and every system contains systerms.