[Screenshot 2026-05-04 150400] Hello, I just made this schematic for the Atmega1284p (or un-p) Will it work? Does it look good? I was just wondering cause I don't want to blow it up. Yes, there is a Mega Arduino but I don't need that many I/O ports and the nano/Uno doesnt have as many ports. Th…

[image] Froggy814: What's your spacing for trace to pad? Spacing marked in green. What is yours set to? I just screen copied your image and overlayed graphic elements on top of your circuit.

Yes, I wanted to know what the pad to trace spacing should be on my image. Because I dont want the traces to be to close lest they touch together in manufacturing.

Have you SMD soldering experience ?

[image] Froggy814: wanted to know what the pad to trace spacing should be on my image Example a 1206 resistor and a centered 6mil trace will easily work. A 12.5mil trace would work too. Here are two SMD resistors, 2512 and 1206, with 6 mil traces between the pads. Traces are > 12 mil a…

Yes I do have a little SMD soldering experience! On a macintosh portable. I also have experience SMD soldering with tiny electronic components taking them off and putting them back on broken washing machine board and stuff I understand the above photo, Thank you.

You might find this (very long) thread interesting. Lots of hardware stuff ideas. [image] Share tips you have come across General Electronics This post will contain the index for this thread. Images herein. <a href="https://www.google.com/search?sca_esv=c6c0271301e3a973&sxsrf=ANbL-n6JbrtnEpFtij0mRtfahcn2w0Covg:1771207162840&udm=2&fbs=ADc_l-aN0CWEZBOHjofHoaMMDiKpmAsnXCN5UBx17opt8eaTX5ijYCyJdSZFM4mewRGuivaHuHursf-soOk0JbfkgzOIi1ZPsNSh18l54qW-c2NyuZ_Q8DPZnUuFyioJW7j9ei4zvJRBn8rQUwbZP6aoSSCYta5Ouoyrs9EwrNLb7CF6selkST45US3WSfGVSgVm4v_qvdMhNizMY_j5Y-Goo7IyDpO8_g&q=arduino+%22share+tips+you+have+come+across%22+%22LarryD%22&sa=X&ved=2ahUKEwjq3Y7u9NySAxW1EzQIHXSnHG4QtKgLegQIFhAB&biw=1700&bih=758&dpr=0.8">Images This is going to be a work in progress Li…

Your design is very simple, there should be no need to route a trace between the pads of an SMD part, you are creating assembly headaches. Look at my design, there are no routes under SMD devices if I want I can change them to through hole after the design is done. You can but why do want to do …

Here's the modernest version! I have included pictures with and without silkscreen and with parts. Yes I setup real-time DRC. Boy, it's nice knowing what it does. Parts and silkscreen [Screenshot 2026-05-08 124229] [Screenshot 2026-05-08 124144] Silkscreen without parts [Screenshot 2026-05-08…

WOW You have graduated with flying colours ! Where are your mounting holes ? :roll_eyes: You decided to not have thermal relief on GND vias ? Your decoupling capacitors need to be near the GND +5V pins.

Will this work? Atmega1284p Schematic

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LarryD May 8, 2026, 4:56pm 123

You might find this (very long) thread interesting.
Lots of hardware stuff ideas.

Examples from that thread.

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Will this work? Atmega1284p Schematic

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