The BOM on [Jeremy S Cook]’s build is extremely short – just a PIR sensor and an optoisolator, with a battery, a plug for the camera’s remote jack, and a 3D-printed bracket. The PIR sensor ...
The microcontroller-based MC-760T Series PIR is the latest example of IntelliSense ... ensures zero variance among sensors so you can count on reliable field performance sensor to sensor to sensor.