Silent trip alarm magnetic switch 555 timer astable mode electronics circuit

[@utkf16]

Secret trip alarms, flashing LED's what more could a young boy wish to make...even if he's now turned 60!!! Thank you

[@Electronzap]

Good times! 🙂

[@scienceinnovativebrain]

Thank-you Sir #scienceinnovativebrain

[@Electronzap]

Thank you!

[@scienceinnovativebrain]

Interesting video
With regards #scienceinnovativebrain

[@Electronzap]

Thanks!

[@Electronzap]

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[@survivingwithrednecks904]

Why screw the pin out so badly.you should not draw schematics

[@Electronzap]

Thanks for the comment!