I have two types of ESP2 WROOM-32E One batch has marked XXOH32 another has XXOH28 One batch is a 4MB Memory, the other is 16MB. I think theXXOH28 is the 16MB type but there are no other markings that identify them as different. Where is the official information on Case Marking relating to this. I ca...

I'm sort of doing the same - and having similar problems.. ESP32 ledc PWM features and functions. The Arduino framework seems to allow only a subset of the Ledc PWM features. The ESP has auto fading functionality but the Arduino framework does not appear to support these. Also there appears not to b...

Well I would like to use the internal CAN controller of a standard ESP32 module but I can't find it mentioned in any documents - yet there are projects and threads about using it.
How is one supposed to 'discover' whether it actually exists or not, and where are the offical docs?