Description
Black Pill STM32 Arm Controller Module with USB-C socket
⚠️ It’s not physically compatible with the Pro Micro. The PCB needs to be specifically designed for it.
Specs:
- Powerful Arm Cortex M4 core with high clock speed
- A lot more memory, flash and I/O pins than the Pro Micro
- USB-C socket
- DFU bootloader, can be programmed easily using dfu-util
- Runs on 3.3 V, but many pins are 5 V-tolerant
- On-board reset and boot buttons
- Comes with 2 20-pin headers and 1 4-pin programming header (not required thanks to the USB bootloader)
F401
- STM32F401CCU6 MCU
- 84 MHz clock speed
- 64 kB SRAM
- 256 kB flash
- 35 I/O pins
F411
- STM32F411CEU6 MCU
- 100 MHz clock speed
- 128 kB SRAM
- 512 kB flash
- 35 I/O pins
Both versions are pin-compatible. (For comparison: the ATmega32u4 on the Pro Micro has 16 MHz clock, 2.5 kB SRAM, 32 KB flash and only 18 I/O pins.)
To flash the QMK firmware to the Black Pill connect it to your computer and set it to bootloader mode:
- Press and hold the BOOT0 button.
- Press and release the NRST button.
- Release the BOOT0 button.
The timing of press and release is crucial so you’ll probably will have to try a few times until you’ll get the hand of it.
QMK firmware Black Pill Troubleshooting
Build photos are for demonstration purpose only.
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