This is a project to monitor, photograph and record the number and time spent by birds visiting our bird feeder. Multiple Raspberry Pi's (RPi) were used for this project. One was used as a capacitive touch sensor, Adafruit CAP1188, to detect, record and trigger the photographs of the birds feeding....By: sbkirby
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from Instructables: exploring - featured https://www.instructables.com/id/Bird-Feeder-Monitor-V20/