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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.
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So - If I understand this correctly, I need to attach the diode interface to the signal wire/ground and then the circuit which I will be grounding out (with only about 1ma current through that circuit) to the 'switched' interface.
My main concern is how much current the diode will...
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The circuit that is connected to ground is low current, etc. What this is for is an in-car phone setup, where for the integration to the radio circuit I must connect a 'mute' input to ground for the phone to mute the radio and activate the incar setup. The control signal is...
Here is my problem. I have a circuit that I need to build using a relay - the switch will activate and ground out another circuit. The problem is the control signal I have to activate the relay coil with goes from 0 - 1.5V max. I can't seem to locate a relay that will pickup at such low...
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