I have seen in some of the tutorials, a number of functions available on the ESP8266 that I can't find any documentation on. One such function was ledcAnalogWrite(), however there are more. Where can I find this information.
ledcAnalogWrite does not exist as a documented function.
It is a user-defined subroutine in the sample code in the documentation you were (presumably) reading at ...
https://espressif-docs.readthedocs-hosted.com/projects/arduino-esp32/en/latest/api/ledc.html
Anything seems possible when you don't know what you're talking about.
sj_h1 @will ledcWrite is a valid call, not Analog. See randomnerds, I use it to control the led brightnes, I think it uses PWM. You also need ledcSetup and ledcAttachPin to establish PWM frequencies and duty cycles.
https://randomnerdtutorials.com/esp32-pwm-arduino-ide/
First computer 1959. Retired from my own computer company 2004.
Hardware - Expert in 1401, and 360, fairly knowledge in PC plus numerous MPU's and MCU's
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I know. The specific sub he asked about "ledcAnalogWrite" does not exist.
It is, however, created in the sample software appearing within the ESP documentation on the URL that I specified. The confusion is the OP not recognizing that the sub was NOT part of the official set of software provided.
Anything seems possible when you don't know what you're talking about.