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'm in over my head, I built a train table for my son and I bought a kit to supply train sounds. The kit is battery powered, 2 AA batteries, but I want to connect it to the power supply from the model train transformer.
The sound kit requires a power supply of 2.4V to 6V. It says is has a...
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