One of the most polished diy relay computers (and video series) I've seen is by Paul Law [0]. He's been working on it for over 10 years, and has just started a

One of the most polished diy relay computers (and video series) I've seen is by Paul Law [0]. He's been working on it for over 10 years, and has just started a series on using it to calculate Pi. [0] https://www.youtube.com/@paul80nd https://www.youtube.com/@paul80nd