This simple 12 volt halogen lamp soft starter circuit extends the life of the halogen lamps by eliminating the sharp rise in the temperature of the filament; when the filament in cold it has a very ...
I use a 12V 20W halogen lamp (MR16) and a 4.2Ah SLA battery for my bike light system. The battery has only limited life at this power rating, so I designed this cheap light dimmer to reduce the ...
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