Use these sensors to detect movement in front of your project! We use these sensors in our Raspberry Pi PIR Camera Case!
The two dials control delay (how long before it checks for movement again) and sensitivity.
When looking straight at the dials with the dome at the top, the left dial is used for the delay (most leave this as is) and right is the sensitivity. Turning that right dial anti-clockwise will to reduce sensitivity.
A solder pad selector can be used to set to re-triggering options (just below the "MD" text on the rear of the board). The sensor is set to 'H' by default as this is what most users require, however you can bridge the connections with solder to change this:
- H is 're-triggering' mode. It'll send a signal the entire time something is moving.
- L is 'non-retriggering' mode. This continually sends signals on and off all the time there is movement (a more erratic option and not recommended)
- Motion sensor
- Thief-guarding system
- Industrial automation
- Input voltage: DC 4.5~20V
- Static current: 50uA
- Output signal: 0,3V (Output high when motion detected)
- Sentry angle: 110 degree
- Sentry distance: max 7 m
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