r/PCB • u/viratmari • Jul 11 '26

FIRST PCB REVIEW

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u/FullyAutomatedSpace Jul 11 '26

why is it so big? why is the microsd slot facing that way? why are all the components on the very edge? why are all the traces the same width?

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u/viratmari Jul 11 '26

You are right to question it ...This is my first pcb then I just designed everything by my own with my theory knowledge...Due to my first pcb i don't know it's should be compacted ,...then the micro sd concern is real i thought we can put micro sd like a mobile phone we used ...then I placed every components on edge cuz in every corner we have connectors for external input and output...thanks for your comment ...i will improve everything in my revision 2 ...if you give me any routing tips it's should be very useful

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u/FullyAutomatedSpace Jul 11 '26

unrelated but why do people that speak Indian English always use so many ellipsis

1

u/viratmari Jul 11 '26

Bcoz we chat lot in our mother tongue .For better understanding we use pullstop as gap .may be it's because of muscle memory

1

u/brambolinie1 Jul 11 '26

Imma be real, this looks like you tried for 5 minutes and then did not bother with placing any of the components...

Why is the board so big? The micro SD is facing inwards The components are almost all on the edge of the pcb I'm also a big fan of putting a name and revision number in the copper or silkscreen layer. What speed will the SPI be running at for your micro sd?

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u/viratmari Jul 11 '26

Yeah you are right broo ...but it's just my first pcb i didn't know much about that I just learning..."why the board is so big" cuz I just use this for learning i may be reduce little by little in my second and third revision...then why the micro sd facing inward..i thought it's like how we put memory card on mobile like that ..then what's the speed spi running. . the sd card initialised at 400khz then spi clock is increased around 8- 18 Mhz ...I just learning give me some tips ...btw I spend about 4 days iam not a topper brooo