Custom STM32F103C8 SD Card Datalogger and USB Port
Posted: Thu Mar 19, 2020 3:29 pm
Hey everybody,
i would like to design my own STM32F103 Board. There should be an micro SD Card reader on it and also an easy way to programm the board with USB.
For the SD Card It seems to be a really straight forward design if you use SPI and the 3.3V Level of the STM32. Is it that easy?! just connect to the SPI pins and then use the STM32SD lib from github in the Arduino IDE? (https://github.com/stm32duino/STM32SD)
I'm a little bit confused about the USB Port - is Vbus from the PC or does it has to be from the board? I do know need the power from the USB Port - just data.
And are there any recommended values for USB resistors?
greetings, Jens
i would like to design my own STM32F103 Board. There should be an micro SD Card reader on it and also an easy way to programm the board with USB.
For the SD Card It seems to be a really straight forward design if you use SPI and the 3.3V Level of the STM32. Is it that easy?! just connect to the SPI pins and then use the STM32SD lib from github in the Arduino IDE? (https://github.com/stm32duino/STM32SD)
I'm a little bit confused about the USB Port - is Vbus from the PC or does it has to be from the board? I do know need the power from the USB Port - just data.
And are there any recommended values for USB resistors?
greetings, Jens