NodeMcu shield Base on ESP8266

The NodeMCU Shield based on ESP8266 is a powerful and compact Wi-Fi development board designed for Internet of Things (IoT) and embedded system applications. Built around the ESP8266EX microcontroller, the board combines wireless networking capabilities with programmable GPIO pins, making it an excellent solution for smart devices and connected electronics projects. The board operates at 3.3V DC and supports 802.11 b/g/n Wi-Fi communication , enabling reliable wireless connectivity for cloud services, web servers, mobile applications, and IoT platforms. It features an integrated PCB antenna for stable wireless communication without requiring external modules. The NodeMCU board includes multiple communication interfaces such as UART, SPI, and I2C , allowing easy integration with sensors, displays, relays, and other peripherals. It can be programmed using the Arduino IDE or the Lua scripting language, providing flexibility for both beginners and professional developers. With built-in USB programming support through a Micro-USB connector , onboard flash memory, and compact dimensions, the NodeMCU Shield is widely used in home automation, wireless monitoring systems, remote sensing, robotics, and smart control applications. Specifications Board Type: NodeMCU Wi-Fi Development Board Microcontroller: ESP8266EX Operating Voltage: 3.3V DC Wi-Fi Standard: 802.11 b/g/n Antenna Type: On-board PCB antenna Clock Speed: 80 MHz Flash Memory: 4 MB RAM: 80 KB Digital I/O Pins: 11 Analog Input Pins: 1 ADC Communication Interfaces: UART SPI I2C USB Interface: Micro-USB for programming and power Reset Button: Yes Board Dimensions: 49 × 24 mm Programming Support: Arduino IDE and Lua Applications Internet of Things (IoT) projects Smart home automation systems Wireless sensor networks Remote monitoring systems Web server applications Robotics and automation projects Wireless data logging Mobile-controlled devices Environmental monitoring systems DIY electronics and embedded systems