ESP32-WROOM-32 Pinout: GPIOs, strapping pins, ADC

· Adafruit Industries Blog · Aug. 31, 2026, 9:18 p.m.
layout reference Gotchas esp32 esp32 GPIO Pinout reference Hardware Development
Summary
This blog post discusses the importance of selecting the correct GPIO pins on the ESP32 to avoid boot issues. It introduces the ESP32 Pinout Studio, a free, interactive reference tool that simplifies identifying the appropriate pins for various applications, helping developers avoid extensive research through datasheets and forums.
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