I first set up a circuit with a photosensor and an LED. I also set up a second circuit with the switch and LED to familiarize myself with the process and the setup. I ran into a few snags with the photosensor as it was too bright in my workspace, and I had to recalibrate the readings for the input and output numbers. The digitalwrite channel D2 also seemed to not work at the start, but with some troubleshooting with Daragh, we changed it to D1 (for more power to flash the bulb)
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