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Diffstat (limited to 'docs/esp8266/tutorial/adc.rst')
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diff --git a/docs/esp8266/tutorial/adc.rst b/docs/esp8266/tutorial/adc.rst deleted file mode 100644 index fa6fdaba7..000000000 --- a/docs/esp8266/tutorial/adc.rst +++ /dev/null @@ -1,19 +0,0 @@ -Analog to Digital Conversion -============================ - -The ESP8266 has a single pin (separate to the GPIO pins) which can be used to -read analog voltages and convert them to a digital value. You can construct -such an ADC pin object using:: - - >>> import machine - >>> adc = machine.ADC(0) - -Then read its value with:: - - >>> adc.read() - 58 - -The values returned from the ``read()`` function are between 0 (for 0.0 volts) -and 1024 (for 1.0 volts). Please note that this input can only tolerate a -maximum of 1.0 volts and you must use a voltage divider circuit to measure -larger voltages. |