NodeMCU ESP32 I/O Expansion Shield

This is an interface board designed to extend the input and output connectivity of NodeMCU ESP32 Development Board. It provides organized access to GPIO, power, and communication interfaces using standard connectors. The shield supports 3.3 V logic levels and simplifies peripheral integration during development and testing. It is suitable for prototyping, educational use, and system validation. Typical applications include sensor interfacing, actuator control, and embedded system development.

• Product Type | Function: I/O expansion shield for NodeMCU ESP32 Development Board

• Supported Board | Compatibility: NodeMCU ESP32 Development Board

• Logic Voltage | Level: 3.3 V

• Power Pins | Availability: 5 V, 3.3 V, GND

• I/O Interfaces | Support: GPIO, UART, SPI, I²C

• Connector Type | Format: 2.54 mm pin headers

• PCB Material | Type: FR-4

• Mounting | Method: Shield stacking via headers

• Operating Temperature | Range: −20 to +70 °C