The NodeMCU V3.0 ESP8266 CH340 Lua WiFi Development Board is an essential tool for building IoT (Internet of Things) projects and WiFi-enabled devices. Powered by the popular ESP8266 module, it combines built-in WiFi connectivity and multiple GPIO (General Purpose Input/Output) pins, making it ideal for home automation, sensor networks, and smart gadgets. Programmable using the Lua scripting language or Arduino IDE, the NodeMCU V3.0 is beginner-friendly yet powerful enough for more advanced applications, providing flexibility for developers at any skill level.
Specifications:
- Microcontroller: ESP8266 (32-bit Tensilica Xtensa LX106)
- Operating Voltage: 3.3V
- Input Voltage: 7-12V
- Digital I/O Pins: 11 (GPIO0 – GPIO10)
- Analog Input Pins: 1 (A0)
- Flash Memory: 4MB
- SRAM: 64 KB
- Clock Speed: 80MHz
- WiFi Standard: IEEE 802.11 b/g/n
- USB-to-Serial Converter: CH340
- USB Interface: Micro USB
- Operating Temperature: -40°C to +125°C
- Dimensions: Approximately 48mm x 26mm

Key Features:
- Built-in WiFi: Offers seamless wireless connectivity for IoT applications, allowing real-time data exchange over WiFi networks.
- Multiple GPIO Pins: Provides 11 digital input/output pins, facilitating easy connection to sensors, motors, and other peripherals.
- Lua Scripting & Arduino IDE Compatibility: Supports easy programming with Lua and can be programmed via the familiar Arduino IDE, making it accessible to beginners and compatible with numerous libraries.
- 4MB Flash Memory: Includes ample storage for complex applications, supporting advanced functionality like running a web server or data logging.
- CH340 USB Interface: Features a CH340 USB-to-serial converter, ensuring smooth communication between the board and your PC for programming and debugging.
- Energy Efficient: Low power consumption makes it perfect for battery-powered and energy-efficient IoT devices.
- Compact Design: Its small footprint makes it easy to embed into tight spaces for smart home devices, automation systems, and remote monitoring.
Applications:
- Home automation
- Smart appliances
- Wireless sensor networks
- IoT device control and monitoring
Overall, the NodeMCU V3.0 ESP8266 CH340 Lua WiFi Development Board offers a robust, flexible, and user-friendly platform for developing IoT projects. Its powerful features and compact design make it an ideal choice for hobbyists, students, and professionals alike.

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