This circuit shows how to use an ordinary LED as a light sensor. It makes use of the photovoltaic voltage developed across the LED when it is exposed to light. LEDs are cheaper than photodiodes and ...
This articles describes how you can use I2C (TWI) communication, Arduino and temperature sensors to measure 3 different temperatures. It can be very helpful when you want to measure the outside, ...
Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. People use ugly sweater parties as opportunities to get creative ...
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