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esp32:esp32_main [2017/12/15 23:53] admin [Programming the ESP32] |
esp32:esp32_main [2020/10/13 19:46] admin [Espressif ESP32 Development Board] |
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[[https:// | [[https:// | ||
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+ | [[https:// | ||
+ | |||
[[https:// | [[https:// | ||
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{{: | {{: | ||
+ | |||
+ | ---- | ||
+ | ===== Serial to USB Driver ===== | ||
+ | |||
+ | - [[https:// | ||
+ | - [[https:// | ||
---- | ---- | ||
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</ | </ | ||
- | === Upload a Scetch | + | === Upload a Sketch |
The Examples for the ESP32 become visible after selecting **ESP32 DEV MODULE** in the Arduino IDE.\\ | The Examples for the ESP32 become visible after selecting **ESP32 DEV MODULE** in the Arduino IDE.\\ | ||
- | Set the flashing speed to 460800 or lower.\\ | + | Set the flashing speed to 460800 or lower (115200).\\ |
- | Upload your scetch.\\ | + | Upload your sketch.\\ |
+ | It could be necessary to start the IDE with administrator rights, too.\\ | ||
+ | |||
+ | ---- | ||
+ | === Special Hardware Configuration ==== | ||
+ | The build in LED is on Pin 2.\\ | ||
+ | Pin 34 and 35 are input only.\\ | ||
+ | Pin 34 - 39 don't have a software pullup/down functions. One has to use an external 10k pullup resistor.\\ | ||
---- | ---- | ||
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{{: | {{: | ||
- | The OLED is connected | + | The OLED is connected |
+ | | ||
+ | pin4 - SCL | ||
+ | The I2C address of the screen is 0x3c.\\ | ||
+ | #include " | ||
+ | SSD1306 | ||
Librarie:\\ | Librarie:\\ | ||
[[https:// | [[https:// | ||
Board: | Board: | ||
+ | Manuals:\\ | ||
[[http:// | [[http:// | ||
+ | [[https:// | ||
---- | ---- | ||
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---- | ---- | ||
==== Programming the ESP32 ==== | ==== Programming the ESP32 ==== | ||
- | IO pin 34 and pin 35 don't work! | + | IO pin 34 and pin 35 don't work!\\ |
+ | **ESP-IDF Programming Guide**\\ | ||
+ | [[https:// | ||
- | DAC:\\ | + | **the 8bit DAC:**\\ |
[[https:// | [[https:// | ||
# | # | ||
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} | } | ||
} | } | ||
+ | Output is a signal between 0 and 3.2V with 76Hz. | ||
---- | ---- | ||
+ | ==== Adafruit HUZZAH32 – ESP32 Feather Board ==== | ||
+ | |||
+ | [[https:// | ||
+ | [[https:// | ||
+ | ---- | ||
+ |