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
Just one more Question...
If the Main supply is a constant 4.5 volts and the battery backup is slightly higher, does this mean that that the appliance will run off the Battery Backup untill it drops below the fixed main supply, then if' the main supply is stoped the battery will take over...
Hi
Thanks for your replies,im a bit of a novice at this’but learning fast’
Is this what you mean about the Diodes and are they in the right place, or is this not right at all, I was wondering if the 3AA Batteries would be getting used as well as the main supply ( would they be going flat as if...
Hi
I need some help! With my project
I have a 12 volt feed from a Vehicle battery that I have fitted with a Regulator Adapter, Step-Down to 4.5 volts, what I need is to run a battery pack of 3 AA batteries that are only used if the main supply is disconnected.im not sure weather to use a...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.
