Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Hi everybody.
I'm new to this forum.
I've got a notion to build an alarm system for the detached garage from parts I either already have or have seen online.
Here are the criteria that I want my system to meet.
1) Must operate on 12volt DC Deep Cycle Battery with trickle charger.
2) Must operate...
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