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Forums › Home Workshop DIY › Converting Christmas lights from battery to power
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DonH
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  #3448550 1-Jan-2026 01:02
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FieldMouse:

 

What diode do you suggest? 
Note that I am keeping the switch mechanism because the lights have a 2 way switch (Steady/Flash) and the mechanism has a resistor.

 

 

The Pete's Emporium stores sell USB adapters for 3-AAA and 3-AA devices. 3 dummy cells and a lead with a USB plug on the end.




People hear what they see. - Doris Day



FieldMouse

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  #3448954 2-Jan-2026 11:58
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DonH:

 

FieldMouse:

 

What diode do you suggest? 
Note that I am keeping the switch mechanism because the lights have a 2 way switch (Steady/Flash) and the mechanism has a resistor.

 

 

The Pete's Emporium stores sell USB adapters for 3-AAA and 3-AA devices. 3 dummy cells and a lead with a USB plug on the end.

 



Thanks, however I have 4 sets of lights, which would mean 4 of the adaptors and 4 USB outlets

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