MAKE brings the do-it-yourself mindset to all the technology in your life. MAKE is loaded with exciting projects that help you make the most of your technology at home and away from home.
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Sensing Color With a LED and Op Amp
Robot Room’s David Cook shows how an LED and op amp, along with a resistor and cap, can be built into an amplified color sensor. Unfortunately, even under the best conditions, photodiodes (and reversed LEDs) don’t provide a lot of current flow. The output...3 days ago
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