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stm32duino:32stm32_main [2020/10/26 16:33] admin [Schematic] |
stm32duino:32stm32_main [2020/10/26 17:04] (current) admin [Schematic] |
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| ==== USB Fix ==== | ==== USB Fix ==== | ||
| - | 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 | + | 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.\\ |
| - | [[http:// | + | |
| One might let the 10k resister untouched and just put a 1.8k in parallel. Between 3.3V and pin A1 (PA12).\\ | One might let the 10k resister untouched and just put a 1.8k in parallel. Between 3.3V and pin A1 (PA12).\\ | ||
| - | < | + | |
| - | <a href=" | + | |
| - | <img src=" | + | |
| - | </ | + | |
| - | </ | + | |
| 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:// | ||
| + | [[https:// | ||
| ---- | ---- | ||
| ==== Schematic ==== | ==== Schematic ==== | ||
| - | Here one find the [[http://wiki.stm32duino.com/ | + | Here is the {{ :stm32duino:vcc-gnd.com-stm32f103c8-schematic.pdf |schematic}} (Attribution: |
| + | \\ | ||
| Pinout:\\ | Pinout:\\ | ||
| - | {{:stm32duino:bluepill_pinout.gif?600|}}\\ | + | < |
| + | <a title=" | ||
| + | </ | ||
| + | // | ||
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| ==== Links ==== | ==== Links ==== | ||
| + | [[https:// | ||
| [[https:// | [[https:// | ||
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| ==== License ==== | ==== License ==== | ||
| - | This manuals | + | Except where otherwise noted, content on this wiki is made by **Wolfgang Spahn** 2018-20.\\ |
| It is licensed under a [[http:// | It is licensed under a [[http:// | ||