I need to sense proximity 360 degrees around something at a range of 0 to 100cm (around 3 feet). I would like to know how close someone is, but will settle for binary input if necessary. This is for an outdoor sculpture and thus overhead video tracking solutions are not an option. I have 9 of these …

Alternatives to IR array or PIR for 360 degree sensing

CrossRoads April 29, 2014, 12:58pm 5

Add a thermal detector for warm bodies that are not moving.

Topic		Replies	Views
Sensing for someone in the room General Guidance	18	5136	May 5, 2021
Locating People in 360 General Guidance	11	4245	May 5, 2021
IR or ultrasonic range finder? Frequently-Asked Questions	4	6856	May 6, 2021
best "human" sensing sensor Sensors	5	1126	May 6, 2021
Distance Sensing Sculpture- Max/MSP Reactive General Guidance	10	1190	May 5, 2021