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stm32duino:32stm32_main [2018/11/03 18:50] admin [USB Fix] |
stm32duino:32stm32_main [2018/11/06 16:41] admin [Software] |
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- | ===== STM32duino ===== | + | ===== STM32duino |
- | The STM32duino board is based on the [[https:// | + | The STM32duino board is based on the [[https:// |
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Unfortunately the board comes with a 10k pullup resistor from D+ to 3.3V (in the schematic it's a 4.7k). That can cause problems on some PCs. Just take the R10 out and replace it with an 1.5k resistor like shown here:\\ | Unfortunately the board comes with a 10k pullup resistor from D+ to 3.3V (in the schematic it's a 4.7k). That can cause problems on some PCs. Just take the R10 out and replace it with an 1.5k resistor like shown here:\\ | ||
[[http:// | [[http:// | ||
- | One might let the 10k resister untouched and just put a 1.8k in parallel. Between 3.3V and pin A1.\\ | + | One might let the 10k resister untouched and just put a 1.8k in parallel. Between 3.3V and pin A1 (PA12).\\ |
< | < | ||
<a href=" | <a href=" | ||
<img src=" | <img src=" | ||
</a> | </a> | ||
- | </ | + | </ |
And here are some useful infos about the pullup resistors on USB:\\ | And here are some useful infos about the pullup resistors on USB:\\ | ||
[[https:// | [[https:// | ||
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Debug mode: SWD | Debug mode: SWD | ||
72MHz work frequency | 72MHz work frequency | ||
- | 64K flash memory, 20K SRAM | + | 64K flash memory |
+ | 20K SRAM | ||
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| | ||
8MHz crystal | 8MHz crystal | ||
+ | LED on pin PC13 | ||
+ | |||
+ | ---- | ||
+ | |||
+ | ==== Software ===== | ||
+ | Here is an installation guide here:\\ | ||
+ | [[http:// | ||
+ | and here:\\ | ||
+ | [[https:// | ||
+ | Uploading a sketch:\\ | ||
+ | [[http:// | ||
+ | Debugging with GDB by Hackaday:\\ | ||
+ | [[https:// | ||
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