Black pill #
- STM32F411CE
- ARM M4 100 MHz
- 512 KB ROM - 128 KB RAM
- USB 2 Full Speed (device host otg)
Dev EBox F407 #
- STM32F407VG
- ARM M4 168 MHz
- 1024 KB ROM - 192 KB RAM
- USB 2 High Speed with DMA (device host otg)
- Product Page
Blue pill #
- STM32F103C8
- ARM M3 72 MHz
- 64 KB ROM - 20 KB RAM
- USB 2 Full Speed