I solved the issue by adding a 47uF capacitor between the + pin and ground pin.
It seems that the HC-SR505 Infra Red sensor is sensitive to the noise on the power supply.
André
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- by Abu06
- Tuesday 26 June 2018 20:11
- Forum: ESP8266
- Topic: PIR sensor + eps8266
- Replies: 20
- Views: 24002
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