Hardware Design Guidelines

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:

• ESP32
• ESP32-S2
• ESP32-S3
• ESP32-C3
• ESP32-C6
• ESP32-H2
• ESP32-C2

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