STM32F103C8T6 Blue Pill Size

Generic boards that are not Maple or Maple mini clones, and don't contain the additional USB reset hardware
CardosoSoft
Posts: 1
Joined: Wed Dec 21, 2016 4:27 pm

STM32F103C8T6 Blue Pill Size

Postby CardosoSoft » Wed Dec 21, 2016 4:33 pm

Hey everyone!

I'm doing a pcb to solder a blue pill stm32F103C8T6 board. But i cannot find all sizes of the board.
I can find the distances of the boards but i can't find anything about the "coordinates!" of boot pins and ST-LINK pins.

Image

Does anyone knows?

Thanks for helping

zmemw16
Posts: 875
Joined: Wed Jul 08, 2015 2:09 pm
Location: St Annes, Lancs,UK

Re: STM32F103C8T6 Blue Pill Size

Postby zmemw16 » Wed Dec 21, 2016 6:39 pm

usually most dimensional drawings have a 'DO NOT SCALE' text in a large font.

that said, distances of certain things are fixed, 0.1" 2.54mm spacing for edge pins and the swd pins. ( both x & y as breadboard friendly), the stm32f103c8t6 package, ... ....

do some measurements on a print out and see if the required scaling is consistent. try across 2,3,10 & 20 pins etc

istr that the GEDA pcb program has a procedure to do that graphics/dpi calibration on a printer, even supplies a template.

stephen

victor_pv
Posts: 736
Joined: Mon Apr 27, 2015 12:12 pm

Re: STM32F103C8T6 Blue Pill Size

Postby victor_pv » Tue Jan 03, 2017 10:37 pm

CardosoSoft wrote:Hey everyone!

I'm doing a pcb to solder a blue pill stm32F103C8T6 board. But i cannot find all sizes of the board.
I can find the distances of the boards but i can't find anything about the "coordinates!" of boot pins and ST-LINK pins.

Image

Does anyone knows?

Thanks for helping



Aren't the boot pins and SWD pins broken out also in the 2 long headers? If so, you can just use the the connections from those headers and not worry to solder then twice to your board.
I do not know if they are in the side headers, it is really a question. If I remember right the SWD pins have a double function as GPIO pins, but I dont remember about the boot ones.


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