“LEDs as Sensors” by Dietz and Alford
Description:
Imagine an LED that turns itself on and off in response to light levels, or one that you can blow out like a candle. These are circuits you can build with just an Arduino, a resistor, an LED and a little code. In this workshop, we examine some surprising properties of LEDs to create systems that sense light, temperature and wind.
Acknowledgements:
To Rita Kambil, for assembling the LED/resistor sets for the workshop, and James Scott for his unpublished work on LED interfaces. The workshop repository, containing the full presentation and all sample code is hosted by GitHub [Dietz 2018].
