Problem of using an array of TSSP4038 IR sensors

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21

Wawa:
Ambient light.
Leo..

Ok, and ambient light is very unlikely to trigger the 38kHz receiver with consistent, accidental 38kHz bursts.

22

Wawa:
Yes, but most Arduinos have more tha 12 pins available.

Try to get one set working first.
The tone command could be ok for testing.
Leo..

Ok, I'll try that. Thanks for the advice. :slight_smile: