Real-Time Debugging Made Easy – On-board LED indicators for every GPIO pin allow you to monitor signal status without extra wiring or tools.

Smart Power Management – Dual voltage support (5V/2A and 3.3V/500mA), reverse power protection, and automatic USB/external power switching.

Flexible Connectivity – Features 2.54mm pin headers, screw terminals, and 3-pin interfaces for servos and sensors—perfect for rapid prototyping.

Safe & Efficient Design – On-board power switch, voltage selector jumper, and clear labeling help avoid mistakes and protect your board and devices.

Key Features:

• Supports most 30-pin ESP32 and ESP8266 modules.
• Includes two sets of 2×15-pin headers for enhanced compatibility with a variety of modules with pin widths of 0.9/1.0/1.1 inches
  (22.86/25.4/27.94 mm).

• Each GPIO port has an LED indicator to display the status (high/low) of the pins, making it easier to debug and verify code without
  additional wiring.
• Independent LED, The status LED is driven by the chip instead of the GPIO so the GPIO will not be affected.

• Features a reverse power protection circuit to prevent damage if the power is connected incorrectly.
• On-board power switch for convenient control.

• Dual power supply: 5V/2A and 3.3V/500mA, providing ample power for servos and sensors.
• Automatic power switching between USB and external power sources.
• External power input via screw terminals or DC jack (7-12V recommended).

Voltage Selection:

• The V_Selector jumper allows you to choose between 3.3V and 5V for the V pin. By default, the V pin is set to 3.3V. Ensure the correct
  voltage is selected to avoid damaging the board or connected devices.

• 2.54mm pitch pin headers and screw terminals for seamless connection to sensors, servos, and other peripherals.
• On-board 3-pin interfaces with V and GND pins for easy sensor or servo connections