Analog Read seems to be slow

Issue #1373 analogRead() seems to be slow. Reason: Arduino ADC library takes by default 8 samples and returns the average value. The number of samples can be changed with the command


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ESP32 I2C and ADC – Light sensor digital and analog

Even the brightness or light values are not really important for a weather station,           I added this information as well in my first ESP32 project. I did it mainly because I could learn how to use the I2C connection and the analog to digital converter of the ESP32. I had two sensors laying around for this, one is a TSL2561, a sensor that measures light and returns the values in Lux. I have a module

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