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STM32F103 'Blue Pill' Breakout Board

1 year ago 593
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This is a clone of this project:, thanks to @RandomThoughts. Cloned for playing around, and make my own board, you can check here:


BOB-32F103 Scheme

BOB-32F103 PCB


ID Name Designator Footprint Quantity
1 STM32 Blue Pill U1 STM32 BLUE PILL COPY 1
2 Int/Ext 3.3V J1A M1X3 1
4 UART1 +ve J2,J3 M1X3 2
5 SPI2 +ve J4 M1X3 1
6 I2C-1 +ve J5,J6 M1X3 2
7 PA8-PA12, PA15 JP7S,JP7GB,JP7GA,JP7V5,JP7V3 1X06_LOCK 5
8 UART1 JP11 1X04 1
9 PB9-15 JP9S,JP9GB,JP9V5,JP9GA,JP9V3 1X07 5
10 PC13-15 JP10S,JP10G,JP10V3 1X03_LOCK 3
11 I2C-1 JP16 1X04 1
12 NRST JP2 1X02 1
13 GND JP3 1X08 1
14 SPI-1 JP14 1X06_LOCK 1
15 +5v JP4 1X08 1
16 +3.3v JP5 1X08 1
17 UART3 JP13 1X04 1
18 UART2 JP12 1X04 1
19 PA0-7 JP6S,JP6GB,JP6V5,JP6GA,JP6V3 1X08 5
20 PB0-1,3-8 JP8S,JP1GA,JP6V2 1X08 3
21 SPI-2 JP15 1X06_LOCK 1
22 I2C-2 JP17 1X04 1
23 CR2032 Battery Holder CR2032-BS-5-1 BATTERY-4 1
24 PB6-8 JP1V5B,JP8GBB 1X03_LOCK 2
25 PB3-4 JP1V5A,JP8GBA 1X02 2
26 MCU 5V Ext J1B M1X2 1




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Comments (2)

RandomThoughts Reply

Hi, R3bers

Many thanks for the interest in my blue pill breakout project,  please reply drop a me note (e.g. add a comment against the original design if you modify the documentation (description/designs) so I can incorporate any builds in the original for the benefit of all under the OHL.

Kind regards

r3bers Reply

@RandomThoughts I doing my board on yours, because I don't need so many jumpers and additional power pins. Add some on elements on IO pins to drive open collector, and many things. And i I didn't like so thin traces in your project. You can check my board here —

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