2 layers116.8 × 71.1 mm

Boards in 1 GitHub repository, designed in KiCad, that use the LM124AJ by Texas Instruments (-55℃~+125℃ 1.2MHz 20mA 20nA 240uA 30nA 35nV/√Hz@1kHz 3V~30V 4 500V/ms 5mV 7uV/℃ 80dB EMI filtering/RF suppression Rail-to-Rail Input, Rail-to-Rail Output CDIP-14 Operational Amplifier ROHS). See how each wires it, with its parts, size, README and files; the LM124AJ’s symbol, footprint and pinout are on its own page.
