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Arduino Uno R3 CH340G Development compatible Board with Micro USB port

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Component Name

Arduino Uno R3 CH340G Development Compatible Board with Micro USB Port

Overview

The Arduino Uno R3 CH340G is a microcontroller development board compatible with the popular Arduino Uno platform. It is a widely-used board for prototyping and developing various IoT projects, robotics, and automation applications. This board is designed to be an affordable and accessible alternative to the original Arduino Uno board, offering similar functionality and features.

Key Features

### 1. Microcontroller

The board is based on the ATmega328P microcontroller, an 8-bit AVR processor with 32KB of flash memory, 2KB of SRAM, and 1KB of EEPROM.

The microcontroller operates at a clock speed of 16 MHz.

### 2. Connectivity

Micro-USB port for programming and debugging

Supports USB 2.0 protocol

On-board CH340G USB-to-UART converter chip for serial communication

### 3. Input/Output (I/O) Pins

14 digital I/O pins (of which 6 can be used as PWM outputs)

6 analog input pins

16 digital pins (of which 2 are used for the USB interface)

### 4. Power Management

On-board 5V voltage regulator

Accepts input voltage from 7-12V DC

Regulates output voltage to 5V for the microcontroller and peripherals

### 5. Other Features

Reset button for easily resetting the board

Power LED indicator to show the board is powered

TX and RX LED indicators for serial communication

ISP (In-System Programming) header for programming the microcontroller

Breadboard-friendly layout for easy prototyping

### 6. Compatibility

Fully compatible with Arduino Uno R3 board, allowing for seamless integration with existing projects and libraries

Compatible with a wide range of Arduino shields and modules

### 7. Dimensions

Length

68.58mm (2.7 inches)

Width

53.31mm (2.1 inches)

Thickness

15.24mm (0.6 inches)

Functionality

The Arduino Uno R3 CH340G board is designed to be a versatile platform for building a wide range of projects, including

IoT projects

remote monitoring, automation, and control systems

Robotics

robotic arms, autonomous vehicles, and robotic platforms

Automation

home automation, industrial automation, and process control systems

Prototyping

rapid prototyping and proof-of-concept development for various projects

The board is ideal for beginners and experienced developers alike, offering a user-friendly platform for learning and developing projects with the Arduino IDE.

Conclusion

The Arduino Uno R3 CH340G Development Compatible Board with Micro USB Port is an affordable and feature-rich alternative to the original Arduino Uno board. It offers a reliable and versatile platform for building a wide range of projects, from IoT and robotics to automation and prototyping. With its ease of use, extensive community support, and vast library of resources, this board is an excellent choice for developers, hobbyists, and students alike.

Pin Configuration

  • Arduino Uno R3 CH340G Development Board Pinout Guide
  • The Arduino Uno R3 CH340G Development Board is a popular microcontroller board based on the ATmega328P microcontroller. It features a compact design, a micro-USB port, and a CH340G USB-to-UART bridge chip. This guide provides a comprehensive overview of the board's pins, explaining their functions and how to connect them.
  • Digital Pins (D0-D13)
  • 1. D0 (TX): UART transmit pin. Used for serial communication (TX) and can be used as a digital output.
  • 2. D1 (RX): UART receive pin. Used for serial communication (RX) and can be used as a digital input.
  • 3. D2: Digital input/output pin. Can be used for various purposes such as button presses, LED indicators, or sensor readings.
  • 4. D3: Digital input/output pin. Can be used for various purposes such as button presses, LED indicators, or sensor readings.
  • 5. D4: Digital input/output pin. Can be used for various purposes such as button presses, LED indicators, or sensor readings.
  • 6. D5: Digital input/output pin. Can be used for various purposes such as button presses, LED indicators, or sensor readings.
  • 7. D6: Digital input/output pin. Can be used for various purposes such as button presses, LED indicators, or sensor readings.
  • 8. D7: Digital input/output pin. Can be used for various purposes such as button presses, LED indicators, or sensor readings.
  • 9. D8: Digital input/output pin. Can be used for various purposes such as button presses, LED indicators, or sensor readings.
  • 10. D9: Digital input/output pin. Can be used for various purposes such as button presses, LED indicators, or sensor readings.
  • 11. D10: Digital input/output pin. Can be used for various purposes such as button presses, LED indicators, or sensor readings.
  • 12. D11: Digital input/output pin. Can be used for various purposes such as button presses, LED indicators, or sensor readings.
  • 13. D12: Digital input/output pin. Can be used for various purposes such as button presses, LED indicators, or sensor readings.
  • 14. D13: Digital input/output pin. Can be used for various purposes such as button presses, LED indicators, or sensor readings. Also has an onboard LED connected to it.
  • Analog Input Pins (A0-A5)
  • 1. A0: Analog input pin. Can be used to read analog signals from sensors such as potentiometers, thermistors, or photodiodes.
  • 2. A1: Analog input pin. Can be used to read analog signals from sensors such as potentiometers, thermistors, or photodiodes.
  • 3. A2: Analog input pin. Can be used to read analog signals from sensors such as potentiometers, thermistors, or photodiodes.
  • 4. A3: Analog input pin. Can be used to read analog signals from sensors such as potentiometers, thermistors, or photodiodes.
  • 5. A4: Analog input pin. Can be used to read analog signals from sensors such as potentiometers, thermistors, or photodiodes.
  • 6. A5: Analog input pin. Can be used to read analog signals from sensors such as potentiometers, thermistors, or photodiodes.
  • Power Pins
  • 1. VIN: Input voltage pin. Can be used to power the board with an external power source (7-12V).
  • 2. 3V3: 3.3V regulated output pin. Can be used to power small external components or sensors.
  • 3. 5V: 5V regulated output pin. Can be used to power small external components or sensors.
  • 4. GND: Ground pin. Used as a reference point for the board's power supply and signals.
  • Communication Pins
  • 1. TX (D0): UART transmit pin. Used for serial communication.
  • 2. RX (D1): UART receive pin. Used for serial communication.
  • Reset Pin
  • 1. RESET: Active-low reset pin. When connected to ground, the board will reset.
  • USB Connector
  • 1. Micro-USB: Used for programming and communication with a computer.
  • CH340G USB-to-UART Bridge Chip
  • The CH340G chip enables communication between the ATmega328P microcontroller and a computer via the micro-USB port. It provides a USB-to-UART bridge, allowing the board to be programmed and communicate with a computer.
  • When connecting pins, make sure to follow proper wiring and safety precautions to avoid damaging the board or other components. Always refer to the official Arduino documentation and guidance for specific pin usage and configuration.

Code Examples

Arduino Uno R3 CH340G Development Board Documentation
Overview
The Arduino Uno R3 CH340G is a microcontroller board based on the ATmega328P chip, fully compatible with the original Arduino Uno R3. It features a Micro-USB port for programming and communication, and is powered by the popular CH340G USB-to-TTL serial chip.
Technical Specifications
Microcontroller: ATmega328P
 Operating Voltage: 5V
 Input Voltage: 7-12V
 Digital I/O Pins: 14
 Analog Input Pins: 6
 DC Current per I/O Pin: 20mA
 Flash Memory: 32 KB
 SRAM: 2 KB
 EEPROM: 1 KB
 Clock Speed: 16 MHz
Programming
The Arduino Uno R3 CH340G can be programmed using the Arduino Integrated Development Environment (IDE). The board is compatible with the Arduino Uno bootloader, allowing for easy uploading of sketches.
Code Examples
### Example 1: Blinking LED
In this example, we will demonstrate how to use the Arduino Uno R3 CH340G to blink an LED connected to digital pin 13.
```c
const int ledPin = 13;  // Pin 13 for the built-in LED
void setup() {
  pinMode(ledPin, OUTPUT);  // Set pin 13 as an output
}
void loop() {
  digitalWrite(ledPin, HIGH);  // Turn the LED on
  delay(1000);               // Wait for 1 second
  digitalWrite(ledPin, LOW);  // Turn the LED off
  delay(1000);               // Wait for 1 second
}
```
### Example 2: Reading Analog Input
In this example, we will demonstrate how to use the Arduino Uno R3 CH340G to read the value of an analog input (such as a potentiometer) connected to analog pin A0.
```c
const int sensorPin = A0;  // Pin A0 for the analog input
void setup() {
  Serial.begin(9600);  // Initialize serial communication at 9600bps
}
void loop() {
  int sensorValue = analogRead(sensorPin);  // Read the analog value
  Serial.println(sensorValue);  // Print the value to the serial monitor
  delay(100);  // Wait for 100ms before taking the next reading
}
```
Additional Resources
Arduino Uno R3 CH340G datasheet: [download](https://www.arduino.cc/en/Main/ArduinoBoardUno)
 Arduino IDE download: [download](https://www.arduino.cc/en/Main/Software)
 CH340G USB-to-TTL serial chip datasheet: [download](https://www.wch.cn/downloads/file/5.html)
Note: The code examples provided are for illustrative purposes only and may require modifications to suit specific use cases.