ESP8266 NodeMCU CP2102 Board

The ESP8266 NodeMCU CP2102 Board is a popular Wi-Fi development board based on the ESP8266 microcontroller. It features built-in Wi-Fi connectivity, an onboard USB-to-serial converter (CP2102), and easy-to-use GPIO pins, making it ideal for IoT projects and wireless applications. The board supports Lua scripting and Arduino IDE programming, providing versatility for beginners and professionals alike.

Specifications

• Microcontroller: ESP8266 (32-bit Tensilica LX106)

• Operating Voltage: 3.3V

• Flash Memory: Typically 4MB (varies by module)

• Wi-Fi: 802.11 b/g/n

• USB-to-Serial Converter: CP2102 for easy programming and debugging

• GPIO Pins: Around 11 usable digital I/O pins

• ADC: 1 analog input (10-bit ADC)

• Operating Current: 80mA typical during Wi-Fi transmission

• Clock Speed: 80 MHz (can be overclocked to 160 MHz)

• Interfaces: UART, SPI, I2C, PWM

• Development Support: Arduino IDE, NodeMCU Lua, MicroPython

• Dimensions: Approx. 50mm x 25mm

Features

• Integrated Wi-Fi module with TCP/IP stack

• USB interface with CP2102 for easy flashing and serial communication

• Supports multiple programming environments (Arduino, Lua, MicroPython)

• Low power consumption modes available

• Multiple GPIOs with PWM, I2C, SPI capabilities

• Onboard voltage regulator for 5V USB input to 3.3V logic

• Compact and breadboard-friendly design

• Built-in reset and flash buttons

Applications

• Internet of Things (IoT) projects

• Wireless sensor networks

• Home automation systems

• Smart appliances and wearables

• Remote data logging and telemetry

• Wi-Fi enabled robotics and control systems

• Prototyping connected devices