I am making a boombox with this 2.1 60w amplifier which uses 12v x 2 more than 30w transformer i am planing to use 12vX3amp this transformer. I am using 3 stpd switches 1 for master on off , 1 for mains/battery selector, and one for aux /Bluetooth selector. 1 voltmeter two 12v batteries one dc input for battery charging and on mains input. Bluetooth i will be connecting with buck step down convertor. How should i do the wiring to the circuit. I really need help for this project. How much i connect the batteries? and the transformer is 12v 3 amp so which battery should i select and how should i connect spdt switch with mains and battery selector?
I am using this guide for instructables: 2.0 Portable Bluetooth Boombox - All
Any kind of help will be appreciated.
This is the circuit dig.
Thanks in advance!!
I am using this guide for instructables: 2.0 Portable Bluetooth Boombox - All
Any kind of help will be appreciated.
This is the circuit dig.
An externally hosted image should be here but it was not working when we last tested it.
Thanks in advance!!
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