X="3.1" y="4.0"/> - 2 5mm LEDs -Consider: 1 simple on/off switch/button/knob/etc. PSU \+12V, -12V and ground needed, probably up to 1amp https://www.youtube.com/watch?v=pQKN30Mzi2g - maybe not as efficient as a full bridge rectifier; could use fewer caps that way 7022ad9ddb couple more GND-stitch vias Latest.