Amazon.de - PIR Motion Sensor (HC-SR501) €2.32 in stock as of January 27, 2025 12:01 pm BUY NOW Amazon.de eBay - PIR Motion Sensor (HC-SR501) $2.74 in stock BUY NOW eBay Amazon.co.uk - PIR Motion Sensor (HC-SR501) £3.99 in stock as of January 27, 2025 12:...
The HC-SR501 is an inexpensive PIR sensor that is readily available on eBay, Amazon and at your local electronics store. It is a completely self-contained unit capable of operating on its own or of being interfaced to a microcontroller or microcomputer. The HC-SR501 has a sensitivity adjust...
https://www.amazon.com/Xnrtop-Continuous-Decibel-Buzzer-Speaker/dp/B07VCK2FTK/ref=sr_1_11?keywords=piezoelectric+buzzer&linkCode=ll2&linkId=6096839e36d5708a1bd01b38ae7968eb&qid=1652877367&sr=8-11 anyone has recommend? NEIL IVES Sunday 21st of March 2021 To avoid cold surprises, I'm ...