ESP8266 runs a 32-bit Tensilica core at 80 MHz and handles both WiFi networking and application code on one chip. The NodeMCU ESP8266 CH340 WiFi Development Board combines that MCU with USB programming and onboard flash, so you don’t need any external programmer. It behaves like a full microcontroller system, not just a WiFi module. You can push firmware directly and monitor output through the serial monitor while managing GPIO pins in real time.
The board layout follows a breadboard-friendly design with clearly labeled pins and a stable voltage regulator. It exposes multiple GPIO pins along with UART, SPI, and I2C support. One detail many people miss: GPIO0, GPIO2, and GPIO15 decide boot mode. Wrong wiring here blocks flashing. Power comes through USB or VIN, but it runs strictly at 3.3V logic, so direct 5V signals can damage it. That’s the trade-off compared to some older boards.
Development works through Arduino IDE or Lua firmware. Upload speed stays consistent because of the CH340 interface, especially during repeated testing cycles. Makers, students, and embedded engineers use it for connected devices, quick prototypes, and firmware testing. StemVolt stocks this board for reliable project builds where WiFi integration is required from day one.
Related Product:
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Checkout the NodeMCU ESP8266 Serial Port Baseboard Board
Features:
- CH340 USB chip enables serial programming without FTDI driver on Windows
- ESP8266 80MHz processor with 4MB flash for complete firmware storage
- WiFi 802.11 b/g/n 2.4GHz built-in for direct wireless IoT connectivity
- Arduino IDE NodeMCU Lua and MicroPython all compatible without hardware change
- Multiple GPIO pins support digital sensor motor and LED project builds
Technical Specifications:
 Applications:
- NodeMCU ESP8266 CH340 Board used for WiFi home automation relay project
- College IoT lab uses nodemcu esp8266 for WiFi cloud sensor dashboard build
- MQTT smart home build uses nodemcu wifi board for broker data publish
- Web server project uses ch340 nodemcu board for ESP8266 HTTP sensor display
- ESP8266 arduino temperature logger uses nodemcu for DHT22 WiFi cloud upload
Package Includes:
- 1 × NodeMCU ESP8266 CH340 WiFi Development Board
Manish Bairwa –
Highly recommended board
Adarsh Sinha –
Connects directly to routers for IoT builds and interfaces easily with sensors, relays, and modules
Karun Awasthi –
Received this board with quick shipping and damage proof packing, setup was easy and technical support available.
Sonu Kasliwal –
Handles WiFi stack and user code together with stable programming performance on most systems
Palak Talwar –
Exactly as described