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esp32:esp32_main [2020/10/13 19:51] admin [Espressif ESP32 Development Board] |
esp32:esp32_main [2020/10/13 19:52] admin [Espressif ESP32 Development Board] |
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| === Special Hardware Configuration ==== | === Special Hardware Configuration ==== | ||
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| + | ** The I/O pins are not 5V-tolerant! ** Use 3.3V instead.\\ | ||
| The build in LED is on Pin 2.\\ | The build in LED is on Pin 2.\\ | ||
| Pin 34 - 39 are input only. And don't have a software pull-up or pull-down functions. One has to use an external 10k pull-up resistor. Details are at | Pin 34 - 39 are input only. And don't have a software pull-up or pull-down functions. One has to use an external 10k pull-up resistor. Details are at | ||