![]() ![]() I printed that out at work on some 11x17 paper (have some reference marks to make sure it doesn't scale X or Y when you do), taped it to the panel and used that for drilling and punching. Once I liked that I measured the spacing and used LibreCAD (free) to make a template with the exact position of everything all aligned and square. Things like RTD sensors I didn't even draw because there's nothing to really get wrong.Īs far as panel layout I drew a lot of ideas on paper, and then to finalize I actually printed and cut out some little squares and circles that were the same size as the real components and arranged them sitting on top of the panel to decide what should go where. ![]() This also helped me decide on component position inside the panel. Doing this I realized I could kind of think out and draw the high-current and low-current stuff separately so that there wasn't as much wire jumping to draw. After I reined in the craziness to something more manageable I found sitting down with a whiteboard and some dry erase markers worked just fine for me. That had the basics: switches, LEDs, relays, diodes, etc and I was able to make labeled boxes with numbered pins for the PIDs and timer. ![]()
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