Guru
Joined: 20/06/2011
Location: AustraliaPosts: 2981
| Posted: 12:22pm 12 Dec 2019 |
Hi Maniccyberdog,
What is the sensor you are trying to read?
It is possible that the sensor is either open collector or open drain?
Try a 4k7 resistor pulled to 3v3 .
Regards,
Mick
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