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esp32:esp32_main [2017/12/15 14:03]
admin [Espressif ESP32 Development Board] 		esp32:esp32_main [2018/02/23 14:47]
admin [WeMos ESP32 OLED Board]
Line 20: Line 20:
 Set the flashing speed to 460800 or lower.\\ Set the flashing speed to 460800 or lower.\\
 Upload your scetch.\\ Upload your scetch.\\
 +It could be necessary to start the IDE with administrator rights, too.\\
  
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Line 26: Line 27:
 {{:esp32:ita4kni.jpg?600|}}\\ {{:esp32:ita4kni.jpg?600|}}\\
 The OLED is connected to pin5 (SDA) and to pin 4 (SCL).\\ The OLED is connected to pin5 (SDA) and to pin 4 (SCL).\\
 +The I2C address of the screen is 0x3c.\\
 +
 +
 Librarie:\\ Librarie:\\
 [[https://github.com/squix78/esp8266-oled-ssd1306]]\\ [[https://github.com/squix78/esp8266-oled-ssd1306]]\\
 Board:  ESP32 Dev Module Board:  ESP32 Dev Module
  
 +Manuals:\\
 [[http://www.instructables.com/id/ESP32-With-Integrated-OLED-WEMOSLolin-Getting-Star/]]\\ [[http://www.instructables.com/id/ESP32-With-Integrated-OLED-WEMOSLolin-Getting-Star/]]\\
 +[[https://techtutorialsx.com/2017/12/02/esp32-arduino-interacting-with-a-ssd1306-oled-display/]]\\
  
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Line 57: Line 62:
    cd tools    cd tools
    sudo python2 get.py    sudo python2 get.py
 +
 +----
 +==== Programming the ESP32 ====
 +IO pin 34 and pin 35 don't work!\\
 +**ESP-IDF Programming Guide**\\
 +[[https://esp-idf.readthedocs.io/en/v2.0/index.html]]\\
 +
 +**the 8bit DAC:**\\
 +[[https://esp-idf.readthedocs.io/en/v2.0/api/peripherals/dac.html]]\\
 +   #include <driver/dac.h>
 +   void setup() {
 +   }
 +  void loop() {
 +   for (int i=0; i<255; i++){
 +   dac_out_voltage(DAC_CHANNEL_1, i);
 +   }
 +  }
 +Output is a signal between 0 and 3.2V with 76Hz.
  
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