Using a photocell and GPIO to create a counter - Raspberry Pi Forums


this first hardware project rpi, , not experienced programmer. need create python based counter add count onto total when photocell detects when light-beam broken.

please can point me in right direction project. many thanks. :d

kylo-ben wrote:this first hardware project rpi, , not experienced programmer. need create python based counter add count onto total when photocell detects when light-beam broken.

please can point me in right direction project. many thanks. :d
https://learn.adafruit.com/basic-resist ... ll-reading


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