Mini Lab Power Supply 1.3~33 VDC, 14V AC, 1.1 Amp
thingiverse
I needed a power supply that could supply about 5-20 V DC and 12-16 V AC. And as small as possible. Because AC power is needed, I used a conventional transformer, like the used for alarm central units and intercoms. The inspiration for this project is from Chordless Lab Power Supply (https://www.thingiverse.com/thing:2085223). You can read the detailed description here: https://1per137.wordpress.com/2022/10/16/mini-lab-power-supply-1-333-vdc-14v-ac-1-1-amp/
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