Portable SD card tester and CID analyzer with STM32 and ST7735 LCD
YouTube videos:
More ST7735 and STM32 projects:
https://www.youtube.com/watch?v=o3AqITHf0mo&list=PLxb1losWErZ6y6GombzvtwRZ2l7brPv1s
| LCD pin | LCD pin name | STM32 |
|---|---|---|
| #01 | LED | 3.3V |
| #02 | SCK | PA5/SCK |
| #03 | SCA | PA7/MOSI |
| #04 | A0/DC | PA1 or any digital |
| #05 | RESET | PA0 or any digital |
| #06 | CS | PA2 or any digital |
| #07 | GND | GND |
| #08 | VCC | 3.3V |
| SD pin | SD pin name | STM32 |
|---|---|---|
| #01 | SD_SCK | PA5 |
| #02 | SD_MISO | PA6 |
| #03 | SD_MOSI | PA7 |
| #04 | SD_CS | PA4 |
- uses cheap STM32 board and ST7735 LCD with built-in SD socket
- CID, OCR, CSD and status registers decoding
- partition table and optional FAT filesystem parameters
- CID unlock check based on Richard Burton's code
- requires STM32 port of SdFat library
- fast ST7735 library and RREFont
- provided compiled binary ready to flash
- SD cards specs: https://www.sdcard.org/downloads/pls/
If you find it useful and you want to buy me a coffee or a beer: