DIY China Cut50 Modify to pilot arc property

This project shows how to add a pilot arc feature to a cut50 plasma cutter made in China.
Details and project files were shared on the forum.

Forum link:
www.mig-welding.co.uk/forum/threads/cut50p-modific…

Circuit diagram (For usage and details, be sure to read the explanations in the forum)
drive.google.com/file/d/1abnWnzprU5olQ6NOc6xKiR6VU…