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Automation, sensing and robotics • Re: Using a photocell with a Raspi 4

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Okay, so I connected the light sensor through the YL-40 to use the latter one as ADC. However, I still get only zeroes when trying to run the Python code.

What could I do to debug the I2C detection issue?

Statistics: Posted by PhotonX — Sun Aug 31, 2025 6:32 pm



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