VEVOR TIG Welder 3 in 1, 110V High Frequency TIG/Stick/Clean Welding Machine w/IGBT Inverter, 155Amp Digital Arc Welder - Amazon.com
TIG Welding Machine High Frequency Board Arc Ignition Board WS/TIG High Frequency Ignition Board Circuit Board - AliExpress
Everlast 250 Amp PowerTIG 250EX IGBT Digital Inverter AC/DC Stick/TIG Welder with High Frequency and Lift TIG Start, 240V PowerTIG 250EX - The Home Depot
Trouble with a DIY current control circuit. - Project Guidance - Arduino Forum