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using mini-jack cables as stylophone sensors turned out to be a clever move: the cables carry 3 signals, allowing me to run 5V and GND through the cable along with the sensor signal. this opens up for modular plug and play with home built sensors, that get powered by the platform.

add on light sensor

light sensor schematic


One Comment

  1. cooooooooooool

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  1. […] on the connector deliver power and ground for easy interface with external controllers. He built an example controller that uses an LED and photoresistor to alter the signal returning to the Arduino. Put your hand in front of the light and the sound […]

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