mirrors
/
micropython
mirror of https://github.com/micropython/micropython.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

docs/esp32/quickref: Add DAC example. 

Signed-off-by: IhorNehrutsa <Ihor.Nehrutsa@gmail.com>
This commit is contained in:
Ihor Nehrutsa 2023-11-13 12:06:42 +02:00 committed by Damien George
parent 495be71d56
commit e423b3c0ba
1 changed files with 14 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
docs/esp32/quickref.rst
View File

@ -330,6 +330,19 @@ possible at the same frequency.
See more examples in the :ref:`esp32_pwm` tutorial. See more examples in the :ref:`esp32_pwm` tutorial.
DAC (digital to analog conversion)
----------------------------------
On the ESP32, DAC functionality is available on pins 25, 26.
On the ESP32S2, DAC functionality is available on pins 17, 18.
Use the DAC::
from machine import DAC, Pin
dac = DAC(Pin(25)) # create an DAC object acting on a pin
dac.write(128) # set a raw analog value in the range 0-255, 50% now
ADC (analog to digital conversion) ADC (analog to digital conversion)
---------------------------------- ----------------------------------