برد STM32F105RCT6 board

This model is FH Maker STM32F105/107RC core board
1) Onboard STM32F105RCT6 or STM32F1057CT6 chip
2) Powered by USB, all io ports are taken out, SWD debugging interface
3) Onboard SPI FLASH chip W25X16 is convenient for users to store data
4) 1 color LED can be used to observe the running status of the program
5) 4 High-quality independent buttons, one for resetting the other three can be used as a button input.
6) Onboard OLED / LCD display interface, suitable for most of the store's display
7) Provide 3.3v and 5v power pins to the outside.
8) Working voltage: 3.3V
9) Falsh program storage space 256K Byte, large capacity SRAM 64k byte:
10) 2 12-bit AD converter and 2 12-bit DA converters
11) DMA: 12-channel DMA controller, 2x 12C interfaces, 5 USARTS, 3 SPls (18 Mbit/s), 2x CAN interfaces