PIR module usually requires an initial warm-up period for the sensing elements to come up to the operating mode. This usually takes not less than 30 seconds. So a 30 seconds delay is intentionally ...

PIR sensor 18 Articles 2023 Halloween Hackfest: Quoth The Raven, “Caww!” October 31, 2023 by Kristina Panos 5 Comments ...

The build uses a Gizduino Arduino clone with an Adafruit Wave shield. After a little bit of wiring up the LEDs, PIR sensor and neck servo, [Noel] had a bit of coding ahead of him.