Hi,
Have nearly finished detector, changing potentiometer with switch to standard potentiometer, and separate switch for on/off. And changing battery to single battery supply what to do to fix? as no B1 & B2, just B1?
Thanks in advance.
See power schematic below

Have nearly finished detector, changing potentiometer with switch to standard potentiometer, and separate switch for on/off. And changing battery to single battery supply what to do to fix? as no B1 & B2, just B1?
Thanks in advance.
See power schematic below


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