ESP32 DevKitC V4 (38-pin) Pinout & Specifications

Welcome to the definitive pinout guide for the ESP32 DevKitC V4 (38-pin).

The official Espressif 38-pin development board for the ESP32.

Key Specifications

• Operating Voltage: 3.3V
• Input Voltage: 5V via USB or VIN
• Wi-Fi: 802.11 b/g/n
• Clock Speed: 80-240 MHz

Important Wiring Notes

• Power: ESP boards use 3.3V logic. Do not connect 5V sensors directly to the GPIO pins without a logic level shifter!
• Strapping Pins: Be careful using pins like GPIO 0, 2, 5, 12, and 15, as they are used during the boot process to determine the boot mode.

Related Guides

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