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.
Hello, I need a little help/opinions.
I have access to a parking lot, that is controlled by a phone-call boom barrier. It opens when a call is made to the barrier's number from specific phone numbers, that are allowed to do this.
Now the problem is, that I got the access and I can call it from...
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