The first step is to flash a special bootloader onto the microcontroller. This allows you to program the board via the hardware USB port directly from the IDE. To do this, move the top jumper (known ...

I tried using the LCD ST7920 or the SPI Flash W25Q128 (only one at a time) but I was not able to use any of them on the second SPI port of any of the variants BluePill and BlackPill. I am using the ...

The STM32 board a.k.a Blue Pill is a Development board for the ARM Cortex M3 Microcontroller. It looks very much similar to the Arduino Nano but it packs in quite a punch. The Development board is ...

I specifically wrote about “BluePill” board instead of “RedPill”, because one thread on STM32duino forums mention the former is a bit better. You can find documentation on Piffa.net wiki (Italian only ...

As told earlier the Energia IDE provides a beautiful library which makes the interfacing a piece of cake and hence it’s not mandatory to know anything about the display module. But, would didn’t it be ...