4 Layers is Better than Two: Another ELS Control Panel Prototype

Today we're looking at yet another prototype Electronic Leadscrew control panel board. We'll play around with filter capacitors, check signals with an oscilloscope, and add ESD protection.
Rick Hartley EMI Video: • Keys to Control Noise,...
Tools used in this video:
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Hakko FX-951 Soldering Station (Amazon*): amzn.to/2XB9CD0
Hakko 611-2 Dual Solder Reel Stand (Amazon*): amzn.to/2H0Yhaf
Kester #951 No-Clean Flux Pen (Amazon*): amzn.to/2KfuZq4
Rigol DS1054Z Oscilloscope (Amazon*): amzn.to/2JlhlhR
Rigol DP832 Triple-Output Power Supply (Amazon*): amzn.to/2FHtSfz
Helping Hands Soldering Workstation (Amazon*): amzn.to/3Ng8ErV
Knipex Twin Grip Pliers (Amazon*): amzn.to/441ODfo
Rechargeable Electric Screwdriver (Amazon*): amzn.to/3Peflxj
Raw Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0 License
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00:00 Intro
00:40 New 4-layer boards
01:33 Reducing EMI in the board layout
08:01 Oops, I forgot the filter caps
09:24 Laugh at my soldering
11:27 Looking at waveforms with the oscilloscope
14:02 Testing on the lathe
17:05 One more round of boards
17:28 Now with ESD protection
19:40 Conclusion