2 layers171.5 × 81.3 mm

NanoSpotWelder-3
bt-soft/NanoSpotWelder-3
Pulse counter spot welder with ATmega32P microprocessor
74 parts6Apache-2.0
Boards in 2 GitHub repositories, designed in KiCad, that use the MOC3051M by AOTE (-55℃~+110℃ 1 1.18V 1000V/us 100mA 330mW 5kV 6 600V 60mA No TRIAC DIP-6 Triac, SCR Output Optoisolators ROHS). See how each wires it, with its parts, size, README and files; the MOC3051M’s symbol, footprint and pinout are on its own page.

bt-soft/NanoSpotWelder-3
Pulse counter spot welder with ATmega32P microprocessor
