hello there, i am just wondering since i have a 6 volt rechargeable battery lieing around. Could i or couldn't i get the voltage up to 12 volts using some kind of circuit with a transformer on or something and if so could you please show me how to do this since i am a bit thick.
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Yeah u can do it in some ways.
1- With a transformer 6V to 12V 2- With a Op-Amp (electronics)
Look for those two in Google and u can find the configuration.