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This motion detector alarm can detect a moving person from a distance of 1 meter. It uses a dual IR Transmitter-Receiver module HOA1405. When the sensor detects the reflected IR rays, alarm will sound ...
Infineon’s BGT60LTR11AIP with integral antenna is a 60-GHz radar-based motion detector on a ... it can use standard, low-cost FR4 circuit-board material. 1. The block diagram of the ...
This allows the sensor to still detect motion in the room while the rest of the circuit is hidden away. [via Reddit ] Posted in home hacks Tagged 555 , analog , christmas , discreet , forrest mims ...
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