* experiment: computation of acceleration due to gravity. need photo transistor + laser. The phototransistor detects change of state. * The phototransistor breakout comes from elab peers.com. It works ...
A digital camera has an array of sensors that captures light reflected or transmitted onto it. This build is something closer to a reverse camera – a single sensor that makes images on a matrix of ...
* See the website elabpeers.com . the code comes from there. * http://www.elabpeers.com/ky-008-laser-x-laser-detector.html * you can use their laser + their ...
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