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Reply to "What do I have here?????"

Pretty sure those are stepdown AC to DC converters. There is a bridge rectifier, a good sized capacitor (to smooth the ripple), and an adjustable 317 regulator with a heat sink. The blue rectangular item will be an adjustable pot to set the regulated DC voltage.

You could certainly use that to power miller signs from an AC source. I would test it out by applying any AC voltage up to about 24 volts or so, and measure the DC output and set the pot to give you about 4.5 to 5 VDC. Have fun!

Rod

Last edited by Rod Stewart

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