ESP32 Expansion Board

Specifications:

Expansion board compatible with ESP32 38-pin development modules.

Designed for easy prototyping and connection using female header pins.

Supports both Type-C and Micro USB interfaces (depending on variant).

Compact and breadboard-friendly layout.

Operating Voltage: 3.3 V / 5 V (via onboard regulator)

Input Voltage (USB): 5 V (from USB Type-C or Micro USB)

Logic Level: 3.3 V

Current Supply: Up to 500 mA (from USB, depends on source)

38-pin female header for ESP32 main board (GPIO access).

Compatible with ESP32 DevKit V1 and similar 38-pin variants.

Breaks out all GPIO, ADC, DAC, UART, SPI, I²C, PWM pins.

USB interface: Type-C or Micro USB (for power & communication).

Reset and Boot buttons onboard for easy programming.

High-quality PCB with clear pin labeling.

Compact form factor: ~55 mm × 25 mm (approx, varies by model).

Durable female header connectors for repeated plug/unplug use.

Optional mounting holes for secure fitting on project enclosures.

Onboard voltage regulator (AMS1117-3.3 or equivalent).

Power indicator LED (shows when board is powered).

IO indicator LEDs (varies by version).

Supports breadboard or jumper wire prototyping.

Plug-and-play with Arduino IDE, ESP-IDF, MicroPython, etc.