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ESP32: Internal Details and Pinout : 11 Steps - Instructables
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ESP32 – PinOut - StudioPieters®
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![SOLVED] Some questions about ESP32 Wroom-32 (30)Pin Layout. - ESP32 Forum](https://i1.wp.com/randomnerdtutorials.com/wp-content/uploads/2018/08/ESP32-DOIT-DEVKIT-V1-Board-Pinout-30-GPIOs-Copy.png?w=966&ssl=1 "SOLVED] Some questions about ESP32 Wroom-32 (30)Pin Layout. - ESP32 Forum")