The LM317 Adjustable DIY AC-DC voltage regulator pcb kit allows hobbyist to build their own variable voltage regulator with an AC or DC voltage input.
It includes a toggle on/off switch, potentiometer & knob, 2 pin terminal and all of the parts necessary to build this kit.
Kit does NOT come assembled. Assembled kit shown for reference purposes only.
The switch & output terminals can be soldered directly to the PCB, however we recommend considering how the device will fit in an enclosure (if an enclosure is desired) before soldering these to the PCB. If the voltage converter is to be mounted in an enclosure, then we recommend attaching these parts using some of our hookup wire so they can be properly mounted to the enclosure.