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Noob questions regarding ExpressPCB!! (2 replies)

Kamoshiyaan khan
10 months ago
Kamoshiyaan khan 10 months ago

I'm making a nixie clock for my high school major project, and I am designing my own PCB to mount many of the essential components on using ExpressPCB. This is my first time designing a PCB and I have some noob questions regarding the program. I have several integrated circuits and resistors on the chip, and I have them set to the top layer, because I obviously want them all on the top. But I understand that I have to solder them from the bottom of the PCB, However, for the ICs (not the resistors though), there are traces connecting to different pins from both the top and bottom layers of the PCB, as I have decided to use the top layer for logic and the bottom layer for power and ground (except for three logic lines I put on the bottom layer so they could cross under some logic lines on the top layer) to prevent traces from crossing over. I'm worried that this means I will be unable to solder on certain components the way I want, and I need to know what traces I should be putting on what layers. Here's what I have so far. Red is top layer, green is bottom layer, white is silkscreen, pads are also red. Can anyone help?

 
Christopher Prioli
10 months ago
Christopher Prioli 10 months ago

One other thing I should have mentioned...
If you have drawn out the schematic in ExpressSCH and checked it for errors, linking the PCB to the schematic will help you to avoid and/or locate and PCB errors...

Kamoshiyaan khan
10 months ago
Kamoshiyaan khan 10 months ago

thankyou so much!!

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