Proximity/Movement Infrared Sensor
Nano movement/proximity PIR sensor
- Power: 2.7 to 12V DC
- Signal: 3V logic
- Distance: 3 to 5m
- Activation: 2 seconds (repeatable)
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Nano PIR movement detector - SB312
This micro proximity/movement detector is used to detect movement near of the dome. With its conic angle of 100° (conic) each movement next to the sensor will be detected. As soon as the movement is detected, its output is set to high level (3.0V) for 2 seconds and falls to low level as soon as the movement ends.
This sensor can be powered from 2.7V to 12V, which is great to power it from a low voltage microcontroler like the Raspberry-Pi Pico (or nano computer like the Pi-Zero). What ever is the is the powering voltage, the output signal stays at 3.0V :-)
Another great feature of this sensor is its very small size of 19mm depth (without connector) x 12mm (dome diameter). As the board is already fitted with connector, so it is easy to plug it onto breadboard or wired with dupond wire.
Technical details
- Voltage: 2.7 to 12V DC
- Power: < 0.1 mA
- Delay: 2 seconds
- Block time: 2 seconds
- Trigger mode: repeatable
- Range: <= 100 degrees (conic), 3 to 5 meters (according to datasheet)
- Temperature: -20 to + 60 °C
- Size:
- 10mm * 10mm (without dome)
- 19mm depth (with dome, without connector)
- 12mm dome diameter
- SB312 PIR sensor datasheet (pdf)