aerobotics

Magnetic alarm

 
Overview

A home alarm based on HAL2481L. I have never used Lichuang EDA before, so I am not used to PCB wiring. Please point out if there are any errors.
260mah lithium battery has a standby running time of >5 days. The specific time will be reduced to a certain extent depending on the time the buzzer sounds.

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Update:2024-11-22 17:30:25

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