Package Included
- 1 pcs x Angle Sensor 4DOF Attitude HM Module 4 Direction

Description:
Refer the pictures or reference link for this description.

1. Optical principle: There are one infrared LED and two photosensitive triode receiver and a cylindrical shade inside as picture.
2. The status of RPI-1031 is controlled by a cylindrical shade between infrared LED and receiver.
3. AS shown,infrared is blocked. So two receivers can not receive signal. So sensor's status is OFF as low level and both output low level.
4. AS shown,one receiver is blocked so it can receive a signal and its output low level. Otherside, another receiver's status is ON, so its outputs high level.
5. AS shown,LED or receiver are not blocked both, so output two high level.

Reference
- https://rdiot.tistory.com/79

#SP0309

Standard: $5.99

Rural: $8.99

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