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safety-sensor

This is a primitive safety/tamper sensor based on STM8 and VCNL3020 proximity sensor with simple backup power mechanism. STM8 application saves state of interrupt and store it in flash memory, blinks when interrupt occurs.

Schematic

Screenshot from 2023-06-26 00-13-26

PCB

Screenshot from 2023-06-26 00-22-03

Physical examples

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