ESP8266 on NodeMCU runs a single-core Tensilica CPU at 80 MHz or 160 MHz, handling WiFi and UART together. The NodeMCU ESP8266 Serial Port Baseboard Board simplifies wiring by exposing multiple NodeMCU ESP8266 Serial Port connections in a fixed layout. It acts like a stable interface layer between your microcontroller and external modules. Instead of using a loose breadboard, connections stay firm and repeatable. GPIO access is clean, and UART lines remain easy to trace during debugging.
The board brings out nodemcu serial ports and aligns them with labeled headers. Power rails are routed across the PCB, which helps when connecting multiple modules. One detail many miss: shorter trace routing on this baseboard reduces signal distortion at higher baud rates. That matters when running continuous nodemcu esp8266 serial communication with sensors. The limitation is clear though — no onboard level shifting. External circuits must match 3.3V logic.
Works with Arduino IDE and Lua-based firmware setups without changes. Hobby builds, lab setups, and quick testing rigs benefit the most. StemVolt stocks this for engineering students who want cleaner wiring during development and testing.
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Features:
- 25.5mm header spacing accepts all standard NodeMCU ESP8266 board variants
- DC jack 6V to 24V input for standalone non-USB power supply
- All GPIO and serial pins broken out for direct clean wiring access
- 5V onboard regulator with 3.3V logic matching ESP8266 operating requirement
- 25gm lightweight baseboard suits compact enclosure and panel mount builds
Technical Specifications:
 Applications:
- NodeMCU ESP8266 Serial Port Baseboard used for GPS serial sensor integration
- College IoT project uses NodeMCU Expansion Board for clean sensor wiring
- WiFi relay controller uses nodemcu serial ports for GSM modem connection
- ESP8266 Serial Port Baseboard used in smart home panel mount IoT build
- Prototyping lab uses nodemcu esp8266 serial communication for RS232 data logging
Package Includes:
- 1 × NodeMCU ESP8266 Serial Port Baseboard Board
Priyanshu Trivedi –
Reduces noise in serial communication and avoids loose breadboard connections during NodeMCU development projects
Sonali Deshpande –
Verified seller product
Rakesh Bafna –
Reliable electronics components
Jayesh Vashisht –
Connects sensors and modules without wiring mess, making prototyping easier and more organized for engineering applications
Nikhil Rathi –
Quick delivery service
Mohit Bhargava –
Received this board in a well sealed box, quality feels excellent and after sale support was very helpful.