U.S. Elections and Sumobots

Seeed One Wire Temperature Sensor $7.97 For simple and easy temperature measurement using the 1-wire protocol with a prepared DS18B20 sensor. Adjustable IR Reflection Sensor (3-80cm) $9.32 This panel/plate mount IR reflection sensor has a 3-80cm threshold detection range. Grove - High Temperature Sensor $12.02 This isn't a plain outdoor thermometer - it has a […]

Here's a little makeover of an inexpensive aftermarket car seat heating pad that stopped working. Designed to activate and warm up when sat upon, the electronics face a fair amount of abuse: since the seat is a soft frame, the wires inside constantly move and flex with the body. They are also subject to harsh […]

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Grove - 2-Coil Latching Relay $12.84 The Grove latching relays are interesting because they take a pulse to toggle their state, which it maintains even after a power cycle. GrovePi Starter Kit for Raspberry Pi $116.87 Carrying a GrovePi+ board together with 12 carefully selected Grove sensors with 10 pieces cables, this starter kit gets […]