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.
I am pretty much new with this adapter thing. I bought an adapter today with a 9 V rechargable battery. I tried my multimeter between the output and found something interesting. The output voltage is 5 volts on the 9V port. But when I am connecting the battery and turning the adapter on the...
So I'm building a project on a PCB-board, and I'm trying to find a replacement for 9v battery that create +-18v.
I'm trying to power a few NE5532 IC-ciruits, so +-15v would be fine. The 9v battery is just a cheap way to get the power, and i rather not use 9v battery.
So I'm trying to power it...
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