
LED projector
cults3d
I made this thing for LED light Bulb COB Chip https://www.ebay.com/itm/New-Smart-IC-Driver-LED-light-Bulb-COB-Chip-110V-220V-Input-Integrated20-30-50W/272419003968?ssPageName=STRK%3AMEBIDX%3AIT&var=571395536304&_trksid=p2060353.m2749.l2649 I didn't test it yet
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