Picture of Phototransistor and Thermistor Hacks (IMAGE)

University of Waterloo

Picture of Phototransistor and Thermistor Hacks

Caption

An RFID tag is modified by cutting out a small part its antenna (silver ribbon) and placing a small light-sensing phototransistor or temperature-responsive resistor (thermistor) on it.

Credit

University of Waterloo

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