The past month or so I’ve been playing with the Maxim DS1307 Real-Time-Clock and DS1621 Temperature Sensor ICs. I hooked them up to an Arduino Uno board with a Parallax Serial 16×2 Character LCD. I ...
Researchers at UC San Diego have developed a temperature sensor that runs on tiny amounts of power -- just 113 picowatts, around 10 billion times less power than a watt. The sensor was described in a ...
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