4 layers180 × 103.5 mm

Boards in 1 GitHub repository, designed in KiCad, that use the LM293D by Texas Instruments (-18V~-1V、1V~18V -25℃~+85℃ 1.3us 100nA 1mA 2 2V~36V 2mV 36V 5nA Open Collector TTL SOIC-8 Comparators ROHS). See how each wires it, with its parts, size, README and files; the LM293D’s symbol, footprint and pinout are on its own page.
