When testing electronic projects a good adjustable power supply is indispensable. The LM317 provides the basis for a quality regulated dc power supply.
This kit combines an LM317 with a thumbwheel potentiometer to allow you to easily set the output voltage from 1.5V up to 2V less than the input. Three preset voltages (5, 9, 12V) can also be selected. Input power comes from an external source such as the power adapter available below.
The kit includes a circuit board, parts, and a printed manual. Kit assembly requires soldering and some of the parts are surface mount. If you've never soldered surface mount parts before, you may be surprised to discover how easy it is. See the manual for more details.
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