I have learnt many eagle commands to built schematic. To check schematic used ERC and debug.
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3.Draw Board Design(Eagle)
I've learnt may eagle commands to build circuit.
To check schematic used DRC and debug.
I had spent quite long time to route circuit.
Circuit was complecated and difficult to route without overlap.
Finally I used autoroute feature and manually adjust to solve too close line and angles.
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Transfer data to PNG(Eagle)
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Generate RML(fab modules)
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Engrave the PCB Board(SRM-20)
I had hard time during this process. I still don't know why but SRM-20 drilled in the air several times.
After trying so many times, finally completed engraving.