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by estudiosma
Sun Apr 19, 2026 3:25 am
Forum: ESP32 Arduino
Topic: 1-Wire and GPIO 38 :: ESP32 S3R8 :: Nano board
Replies: 1
Views: 77

Re: 1-Wire and GPIO 38 :: ESP32 S3R8 :: Nano board

Hi,

I had the same problem using a ESP32-S3. The DS18B20 sensor was not working on GPIO38. I tested other pins and they worked fine. I used the https://github.com/pstolarz/OneWireNg library and that solved the issue.

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