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Re: electronics help required
What sort of adaptor is it for the 9V battery? Is it just a battery clip and plug/socket or does it have any obvious circuitry or even a bump in the wire covered with sleeving?
8V is an odd voltage to specify for battery operated kit. I'd be very very surprised it if couldn't cope with anywhere beteen 6V and 9V or even a bit higher without any problems, but you would need to use a *regulated* mains adaptor as the unregulated types can give out much higher voltages (as much as twice the specified voltage) which could to damage.
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