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    0-30V Stabilized Power Supply

    Thank you for reply. LED doesn't light at this current but it is working with lower currents just fine. It is true that the lamp is using 5A but I still think there is some power left even if transformer is overloaded. I think this is the reason why LED doesn't light. However I changed the...
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    0-30V Stabilized Power Supply

    I have built a 5A version of this power supply. It seems it's working in some way but there is one 'load' problem. When I connect the 12V/60W lamp to PS and set both potentiometers to max. values I get around 11V at the output. This is somewhat strange so I think in theory this PS should burn...
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