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esp32:esp32_main [2020/10/13 20:04]
admin [Espressif ESP32 Development Board]
esp32:esp32_main [2020/11/17 15:49]
admin [DAC and ADC]
Line 111: Line 111:
 [[https://www.adafruit.com/product/3405|Adafruit HUZZAH32 – ESP32 Feather Board]]\\ [[https://www.adafruit.com/product/3405|Adafruit HUZZAH32 – ESP32 Feather Board]]\\
 [[https://learn.adafruit.com/adafruit-huzzah32-esp32-feather|Adafruit Learn Guid]]\\ [[https://learn.adafruit.com/adafruit-huzzah32-esp32-feather|Adafruit Learn Guid]]\\
 +
 +----
 +===== DAC and ADC =====
 +
 +**ADC**\\
 +
 +
 +[[https://www.malabdali.com/esp32-adc-and-dac/]]
 +
 +**DAC**\\
 +The ESP32 has two DAC pins, GPIO25 and GPIO26. The resolution is 8 bits.\\
 +   dacWrite(25, Value); // 255=3.3V 128=1.65V 0=0.0V
 +For generating a sine wave one finds a good manual here: [[https://www.xtronical.com/basics/audio/dacs-on-esp32/|DAC’s on ESP32]]\\
 +
 ---- ----