Espressif ESP32-S2 Programming Manual page 18

Chapter 1. Get Started
Note: ESP32-S2 series of chips only supports ESP-IDF master or version v4.2 and higher.
Hardware Reference
Block Diagram A block diagram below shows the components of ESP32-S2-Saola-1 and their interconnections.
Power Supply Options
• Micro-USB port, default power supply
• 5V and GND pin headers
• 3V3 and GND pin headers
It is recommended to use the first option: Micro-USB Port.
Header Block The two tables below provide the Name and Function of the pin headers on both sides of the board
(J2 and J3). The pin header names are shown in
ESP32-S2-Saola-1 Schematics
Espressif Systems
Fig. 4: ESP32-S2-Saola-1 (click to enlarge)
There are three mutually exclusive ways to provide power to the board:
ESP32-S2-Saola-1 -
(PDF).
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front. The numbering is the same as in the
7 Release v4.4