Industry standard light and sounder

This was quick project I did years ago when I got into writing code (assembler) for the PIC microcontrollers. The PIC compared an LDR against an external voltage source set by a POT and if the light level were high enough then it would turn on a Light/sounder.

Table Of Content

Project Video

here’s a the video I did explaining how it works and showing the sounder in action.

Warning!! Its loud!

Design Files

Just in case anyone you wants to see the design for this projects here are the pictures of the schematic and layout. the designs were made using Labcenter Proteus Design Suite

LightAlarm

PCB

Download

Comment(1). Leave comment

Very cool, interesting this project, mostly in the reset ..
thanks for sharing ..

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