![]() The 4-pin header on the Blue Pill has: +3.3V, SWDIO, SWCLK, GND. The 6-pin header on the left has the following (“HyTiny style”) pinout: # Here is the breadboard configuration I’m using to try this all out: Makes it very effective as a first “bring-up” sanity check for any new board. The on-board LED and periodically send out a message over the serial port. This article describes how to use a Black Magicīoth serial and SWD, to upload a little demo application. ThereĪre several - nowadays, I always use PlatformIO, in ![]() The other decision is what development setup to use, and which framework. upload via SWD (PA13 + PA14), using the 4-pin header on the side of the.place the board in “boot mode” and upload via the serial pins (PA9 + PA10). ![]() There are two ways to do it, but both of them require some ![]() The tricky part is getting over the initial hurdle of uploading firmware to The STM32duino website for a wealth of useful information. STM32F103 32-bit ARM ♜ on it, plus essential supporting logic. The “Blue Pill” is a small development board with an
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