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Raspberry Pi kWh meter PUBLIC
This is the schematic for reading (analog) kilowatt-hour meters. This schematic has two CNY70 sensors to read the "black spot" on the rotating disk. Software will read the ADC converter info and can...
by Patrick6325 | updated October 22, 2013
Raspberry Pi Switch Input PUBLIC
This circuit shows how to use a switch to toggle a GPIO pin on a Raspberry Pi configured as an input.
by MattHawkins | updated August 10, 2012
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