برد کنترلی NodeMCU ESP8266 CH340G با استفاده از ماژول ESP8266 و تراشه مبدل USB به سریال CH340G، یک ابزار قدرتمند برای توسعه پروژه‌های اینترنت اشیا (IoT)، کاربردهای وب و پخش داده است. این برد با دارا بودن GPIO های متعدد، امکاناتی مانند PWM، ADC، I2C و ارتباط تک سیمه را فراهم می‌کند و مناسب برای استفاده در پروژه‌های DIY، اتوماسیون خانگی و سیستم‌های هوشمند است.
مشخصات فنی برد توسعه NodeMcu دارای هسته وای فای ESP8266 و مبدل CH340
میکروکنترلر: ESP8266 -12E (Tensilica Xtensa LX106)
ولتاژ کاری: 3.3 ولت (پین‌های GPIO با ولتاژ 5V سازگار نیستند)
درایور USB: تراشه CH340G یا CH340C
فرکانس: 2.4 گیگاهرتز (802.11 b/g/n)
پین‌های GPIO: 17 پین (D0 تا D8، RX/TX، A0، SDA، و SCL)
ورودی آنالوگ: پین A0 با دقت 10 بیت
رابط‌های ارتباطی: UART، I2C، SPI
حافظه فلش: 4 مگابایت (32Mbit)
رگولاتور: LM1117 با خروجی 3.3V 500mA
درگاه: میکرو USB یا USB Type-C (انتخابی)
ابعاد: —
کاربردهای برد توسعه NodeMcu دارای هسته وای فای ESP8266 و مبدل CH340
اتوماسیون خانگی
پروژه‌های IoT
دستگاه‌های هوشمند DIY
ایستگاه‌های آب و هوا
کنترل ربات‌ها و سیستم‌های جاسازی شده
نحوه استفاده از برد توسعه NodeMcu دارای هسته وای فای ESP8266 و مبدل CH340
برای شروع کار با NodeMCU، به کابل USB، کامپیوتر با IDE مناسب (مانند Arduino IDE)، و نصب درایور CH340G نیاز دارید. از طریق رابط USB می‌توانید برنامه‌ها را به برد انتقال داده و آن را تغذیه کنید.
لینک‌های کاربردی
برای جزئیات بیشتر درباره پین‌ها و نحوه راه‌اندازی درایور CH340G، به مقالات مربوطه مراجعه کنید.
The NodeMCU ESP8266 CH340G is a powerful and widely-used development board that combines the ESP8266 microcontroller with integrated Wi-Fi capabilities. This board offers a user-friendly platform for creating Internet of Things (IoT) projects, web-based applications, and data streaming. The inclusion of the CH340G USB-to-serial converter simplifies programming and communication, making it accessible to both beginners and experienced developers. With its ample GPIO pins, the NodeMCU ESP8266 CH340G provides flexibility for connecting sensors, actuators, and other components, allowing you to realize a diverse range of projects.
Specificatoins of NodeMCU ESP8266 CH340G Wi-Fi Development Board:
Microcontroller: ESP8266 -12E (Tensilica Xtensa LX106)
Operating Voltage: 3.3V (Note: The GPIO pins are not 5V tolerant, so be cautious when interfacing with 5V components.)
Clock Speed: Typically operates at 80 MHz, but can be configured at different speeds.
Flash Memory: 4MB (32Mbit) Flash memory for program storage.
Wi-Fi: Integrated 802.11 b/g/n
GPIO Pins: 17 GPIO pins (D0 to D8, RX/TX, A0, SDA, and SCL).
Analog Input: A0 pin for analog input (10-bit resolution).
Communication Interfaces: Serial communication (TX/RX). I2C (A4/SDA, A5/SCL). SPI.
USB-to-Serial Converter: CH340G (commonly used on many NodeMCU boards)
Key features of the NodeMCU ESP8266 CH340G Dev. Board
The NodeMCU ESP8266 CH340G has several key features that make it a popular choice for IoT projects and prototyping.
ESP8266 Microcontroller: System-on-a-chip (SoC) that integrates a low-power 32-bit microcontroller with built-in Wi-Fi connectivity.
USB-to-Serial Converter (CH340G): Features the CH340G USB-to-serial converter chip.
Programming: The ESP8266 can be programmed using the Arduino IDE, MicroPython, Lua, and other programming environments.
GPIO Pins: Provides a set of General Purpose Input/Output (GPIO) pins that can be conneted to external devices such as sensors, LEDs, and other components.
Analog Pins: Read analog voltages from 0 to 3.3v using ADC on ESP8266 SOC.
Open-Source Community Support: Benefits from a vibrant and active open-source community that provides support, documentation, and a variety of libraries to facilitate development.
Compact Form Factor: The NodeMCU ESP8266 CH340G has a compact and convenient form factor, making it suitable for small-scale projects and prototyping.
Low Cost: One of the key attractions is its low cost, making it an affordable option for hobbyists, students, and developers looking to experiment with IoT and wireless communication.
Who is recommended to buy NodeMCU ESP8266 CH340G Dev. Board?
The ESP8266 has found widespread adoption in a variety of IoT (Internet of Things) and embedded applications due to its affordable price, built-in Wi-Fi capabilities, and ease of use. Some of the most popular use cases for the ESP8266 include: home automation projects, making IoT devices,s agriculture system, DIY smart gadgets, build weather stations.
The versatility and affordability of the ESP8266 make it a popular choice for hobbyists, students, and professionals looking to prototype and deploy IoT solutions in a wide range of applications.
NodeMCU ESP8266 Dev. Board Pinout
Below, you can see the pinout of NodeMCU ESP8266 Dev. Board. Each of the pins has a special function. For more details about the pinout of this module and other ESP8266 based modules, you can read this page.
Power and Reset:
5V: External 5V power supply.
GND: Ground.
VIN: 5V or higher power supply
RST: Reset program running now
GPIO Pins:
17 multipurpose GPIO pins
Peripheral ports :
I2C, UART, SPI(HSPI & SSPI)
What you need to get started with NodeMCU ESP8266 CH340G Dev. Board?
To get started with the NodeMCU ESP8266 CH340G Development Board, you’ll need the following:
USB Cable (Micro USB): A micro USB cable is required to connect the NodeMCU board to your computer. This cable serves both as a power source and a means for programming the board.
Computer: You’ll need a computer to write, compile, and upload code to the NodeMCU board. The development environment can be the Arduino IDE, PlatformIO, or any other compatible IDE.
USB-to-Serial Driver (CH340G Driver): The NodeMCU CH340G board uses the CH340G USB-to-serial converter. Install the CH340G driver appropriate for your operating system. You can read this article to know how to do it.
Optional: Breadboard and Jumper Wires: If you’re working with external components or sensors, having a breadboard and jumper wires will help you create circuits on a temporary basis.
Power Source: The NodeMCU board can be powered via the USB connection, but if you want to deploy it in a standalone application, you’ll need a suitable power source. This could be a USB power adapter, a portable power bank, or a dedicated power supply.