Espressif has released Hardware Design Guidelines for all of the ESP32 chips and it’s available now in HTML format. This is a treasure trove of information if you are in the hardware design phase of your ESP32 project.
Some things you will find in the design guidelines:
- Power supply design tips
- External Clock
- RF tuning
- Suppressing harmonics on the main UART
- ADC performance guidance
- General PCB layout information including typical problems
There are separate HTML versions for each of the ESP32 product lines:
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