2 layers200 × 100 mm

Boards in 1 GitHub repository, designed in KiCad, that use the R1S-1212-R by RECOM Power (1 10.8V~13.2V 12V 1W 1kV 80% 84mA SMD-5P,12.8x10.7mm Isolated Power Modules ROHS). See how each wires it, with its parts, size, README and files; the R1S-1212-R’s symbol, footprint and pinout are on its own page.
