Arduino Uno R3 Software | Arduino Ide 2.3.1

Arduino PLC IDE 1.0.3

Program using IEC 61131-3 languages and mix Arduino sketches through Arduino PLC IDE! Configure easily your pre-mapped resources and get quick no code fieldbus support, dive into your code analysis thanks to the wide set of debugging tools.

For more details, please refer to Arduino PLC IDE documentation.

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Version 1.0.4 coming soon

Một số lỗi khi nạp trên Arduino

Chưa chọn đúng Board

Trong trường hợp bạn đang sử dụng Arduino Uno R3 để triển khai cho dự án của mình nhưng lại chọn sai bo arduino khi nạp.

Chọn sai cổng COM

Trong quá trình làm việc bạn có thể cắm rất nhiều thiết bị giao tiếp với máy tính nên thường xuất hiện nhiều cổng COM làm bạn bối rối và chọn sai.

Chọn sai Processor trên Board Arduino Nano

Đa phần các bạn đều sử dụng các bo mạch arduino được sản xuất tại trung nên cần chọn đúng bootloader của hãng sản xuất.

Lỗi “error compiling for board arduino/genuino uno”

Một lỗi cũng hay thường gặp trên arduino uno r3 là lỗi biên dịch chương trình. Để khắc phục vấn đề này các bạn vào phần Sketch > Include Library > Manage Libraries.

Ở phần này các bạn gõ vào thanh tìm kiếm trên phần mềm arduino “u8glib” kéo xuống phía dưới nhấn INSTALL. Như vậy là đã xong rồi nhé.

Arduino Uno Rev3

The Arduino UNO is the best board to get started with electronics and coding. If this is your first experience tinkering with the platform, the UNO is the most robust board you can start playing with. The UNO is the most used and documented board of the whole Arduino family.

How To Install Arduino IDE 2.0 On Windows 10/11 [ 2023 Update ] Arduino Uno Complete Guide

Download the Arduino Software (IDE)

Get the latest version from the download page. You can choose between the Installer (.exe) and the Zip packages. We suggest you use the first one that installs directly everything you need to use the Arduino Software (IDE), including the drivers. With the Zip package you need to install the drivers manually. The Zip file is also useful if you want to create a portable installation.

When the download finishes, proceed with the installation and please allow the driver installation process when you get a warning from the operating system.

The process will extract and install all the required files to execute properly the Arduino Software (IDE)

The text of the Arduino getting started guide is licensed under a Creative Commons Attribution-ShareAlike 3.0 License. Code samples in the guide are released into the public domain.

Suggested changes

The content on docs.arduino.cc is facilitated through a public GitHub repository. You can read more on how to contribute in the contribution policy.

License

The Arduino documentation is licensed under the Creative Commons Attribution-Share Alike 4.0 license.

Arduino IDE 2.3.1

The new major release of the Arduino IDE is faster and even more powerful! In addition to a more modern editor and a more responsive interface it features autocompletion, code navigation, and even a live debugger.

For more details, please refer to the Arduino IDE 2.0 documentation.

Nightly builds with the latest bugfixes are available through the section below.

SOURCE CODE

The Arduino IDE 2.0 is open source and its source code is hosted on GitHub.

Nightly Builds

Download a preview of the incoming release with the most updated features and bugfixes.

Windows macOS Version 10.14: “Catalina” or newer, 64 bitsLinux AppImage 64 bits (X86-64)Linux ZIP file 64 bits (X86-64)

Setup and Program Arduino Uno: Complete Guide

Documentation

OSH: Schematics

Arduino Uno is open-source hardware! You can build your own board using the following files:

EAGLE FILES IN .ZIP SCHEMATICS IN .PDF BOARD SIZE IN .DXFDATASHEET IN .PDF

Pinout Diagram

Download the full pinout diagram as PDF here.

Interactive Board Viewer

Learn more

Get Inspired

Arduino IDE 1.8.19

The open-source Arduino Software (IDE) makes it easy to write code and upload it to the board. This software can be used with any Arduino board.

Refer to the Arduino IDE 1.x documentation for installation instructions.

SOURCE CODE

Active development of the Arduino software is hosted by GitHub. See the instructions for building the code. Latest release source code archives are available here. The archives are PGP-signed so they can be verified using this gpg key.

Previous Releases

Download the previous version of the current release, the classic 1.0.x, or old beta releases.

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Previous Release 1.8.18 Arduino 1.0.x Arduino 1.5.x beta

Arduino Coding for Beginners | How to Program an Arduino?

FAQs

Programming

The Arduino Uno can be programmed with the (Arduino Software (IDE)). Select “Arduino Uno from the Tools > Board menu (according to the microcontroller on your board). For details, see the reference and tutorials.

The ATmega328 on the Arduino Uno comes preprogrammed with a bootloader that allows you to upload new code to it without the use of an external hardware programmer. It communicates using the original STK500 protocol (reference, C header files).

You can also bypass the bootloader and program the microcontroller through the ICSP (In-Circuit Serial Programming) header using Arduino ISP or similar; see these instructions for details.

The ATmega16U2 (or 8U2 in the rev1 and rev2 boards) firmware source code is available in the Arduino repository. The ATmega16U2/8U2 is loaded with a DFU bootloader, which can be activated by:

On Rev1 boards: connecting the solder jumper on the back of the board (near the map of Italy) and then resetting the 8U2.
On Rev2 or later boards: there is a resistor that pulling the 8U2/16U2 HWB line to ground, making it easier to put into DFU mode.

You can then use Atmel’s FLIP software (Windows) or the DFU programmer (Mac OS X and Linux) to load a new firmware. Or you can use the ISP header with an external programmer (overwriting the DFU bootloader). See this user-contributed tutorial for more information.

Warnings

The Arduino Uno has a resettable polyfuse that protects your computer’s USB ports from shorts and overcurrent. Although most computers provide their own internal protection, the fuse provides an extra layer of protection. If more than 500 mA is applied to the USB port, the fuse will automatically break the connection until the short or overload is removed.

Differences with other boards

The Uno differs from all preceding boards in that it does not use the FTDI USB-to-serial driver chip. Instead, it features the Atmega16U2 (Atmega8U2 up to version R2) programmed as a USB-to-serial converter.

Power

The Arduino Uno board can be powered via the USB connection or with an external power supply. The power source is selected automatically.

External (non-USB) power can come either from an AC-to-DC adapter (wall-wart) or battery. The adapter can be connected by plugging a 2.1mm center-positive plug into the board’s power jack. Leads from a battery can be inserted in the GND and Vin pin headers of the POWER connector.

The board can operate on an external supply from 6 to 20 volts. If supplied with less than 7V, however, the 5V pin may supply less than five volts and the board may become unstable. If using more than 12V, the voltage regulator may overheat and damage the board. The recommended range is 7 to 12 volts.

The power pins are as follows:

Vin. The input voltage to the Arduino board when it’s using an external power source (as opposed to 5 volts from the USB connection or other regulated power source). You can supply voltage through this pin, or, if supplying voltage via the power jack, access it through this pin.
5V.This pin outputs a regulated 5V from the regulator on the board. The board can be supplied with power either from the DC power jack (7 – 12V), the USB connector (5V), or the VIN pin of the board (7-12V). Supplying voltage via the 5V or 3.3V pins bypasses the regulator, and can damage your board. We don’t advise it.
3V3. A 3.3 volt supply generated by the on-board regulator. Maximum current draw is 50 mA.
GND. Ground pins.
IOREF. This pin on the Arduino board provides the voltage reference with which the microcontroller operates. A properly configured shield can read the IOREF pin voltage and select the appropriate power source or enable voltage translators on the outputs to work with the 5V or 3.3V.

Memory

The ATmega328 has 32 KB (with 0.5 KB occupied by the bootloader). It also has 2 KB of SRAM and 1 KB of EEPROM (which can be read and written with the EEPROM library).

Input and Output

See the mapping between Arduino pins and ATmega328P ports. The mapping for the Atmega8, 168, and 328 is identical.

Each of the 14 digital pins on the Uno can be used as an input or output, using pinMode(),digitalWrite(), and digitalRead() functions. They operate at 5 volts. Each pin can provide or receive 20 mA as recommended operating condition and has an internal pull-up resistor (disconnected by default) of 20-50k ohm. A maximum of 40mA is the value that must not be exceeded on any I/O pin to avoid permanent damage to the microcontroller.

In addition, some pins have specialized functions:

Serial: 0 (RX) and 1 (TX). Used to receive (RX) and transmit (TX) TTL serial data. These pins are connected to the corresponding pins of the ATmega8U2 USB-to-TTL Serial chip.
External Interrupts: 2 and 3. These pins can be configured to trigger an interrupt on a low value, a rising or falling edge, or a change in value. See the attachInterrupt() function for details.
PWM: 3, 5, 6, 9, 10, and 11. Provide 8-bit PWM output with the analogWrite() function.
SPI: 10 (SS), 11 (MOSI), 12 (MISO), 13 (SCK). These pins support SPI communication using the SPI library.
LED: 13. There is a built-in LED driven by digital pin 13. When the pin is HIGH value, the LED is on, when the pin is LOW, it’s off.
TWI: A4 or SDA pin and A5 or SCL pin. Support TWI communication using the Wire library.

The Uno has 6 analog inputs, labeled A0 through A5, each of which provide 10 bits of resolution (i.e. 1024 different values). By default they measure from ground to 5 volts, though is it possible to change the upper end of their range using the AREF pin and the analogReference() function. There are a couple of other pins on the board:

AREF. Reference voltage for the analog inputs. Used with analogReference().
Reset. Bring this line LOW to reset the microcontroller. Typically used to add a reset button to shields which block the one on the board.

Communication

The Arduino Uno has a number of facilities for communicating with a computer, another Arduino board, or other microcontrollers. The ATmega328 provides UART TTL (5V) serial communication, which is available on digital pins 0 (RX) and 1 (TX). An ATmega16U2 on the board channels this serial communication over USB and appears as a virtual com port to software on the computer. The 16U2 firmware uses the standard USB COM drivers, and no external driver is needed. However, on Windows, a .inf file is required. The Arduino Software (IDE) includes a serial monitor which allows simple textual data to be sent to and from the board. The RX and TX LEDs on the board will flash when data is being transmitted via the USB-to-serial chip and USB connection to the computer (but not for serial communication on pins 0 and 1).

A SoftwareSerial library allows serial communication on any of the Uno’s digital pins.

The ATmega328 also supports I2C (TWI) and SPI communication. The Arduino Software (IDE) includes a Wire library to simplify use of the I2C bus; see the documentation for details. For SPI communication, use the SPI library.

Automatic (Software) Reset

Rather than requiring a physical press of the reset button before an upload, the Arduino Uno board is designed in a way that allows it to be reset by software running on a connected computer. One of the hardware flow control lines (DTR) of the ATmega8U2/16U2 is connected to the reset line of the ATmega328 via a 100 nanofarad capacitor. When this line is asserted (taken low), the reset line drops long enough to reset the chip. The Arduino Software (IDE) uses this capability to allow you to upload code by simply pressing the upload button in the interface toolbar. This means that the bootloader can have a shorter timeout, as the lowering of DTR can be well-coordinated with the start of the upload.

This setup has other implications. When the Uno is connected to either a computer running Mac OS X or Linux, it resets each time a connection is made to it from software (via USB). For the following half-second or so, the bootloader is running on the Uno. While it is programmed to ignore malformed data (i.e. anything besides an upload of new code), it will intercept the first few bytes of data sent to the board after a connection is opened. If a sketch running on the board receives one-time configuration or other data when it first starts, make sure that the software with which it communicates waits a second after opening the connection and before sending this data.

The Uno board contains a trace that can be cut to disable the auto-reset. The pads on either side of the trace can be soldered together to re-enable it. It’s labeled “RESET-EN”. You may also be able to disable the auto-reset by connecting a 110 ohm resistor from 5V to the reset line; see this forum thread for details.

Revisions

Revision 3 of the board has the following new features:

1.0 pinout: added SDA and SCL pins that are near to the AREF pin and two other new pins placed near to the RESET pin, the IOREF that allow the shields to adapt to the voltage provided from the board. In future, shields will be compatible with both the board that uses the AVR, which operates with 5V and with the Arduino Due that operates with 3.3V. The second one is a not connected pin, that is reserved for future purposes.
Stronger RESET circuit.
Atmega 16U2 replace the 8U2.

Arduino IDE 1 Installation (Windows)

Install the Arduino Software (IDE) on Windows

This document explains how to install the Arduino Software (IDE) on Windows machines.

Terms of Service

By downloading the software from this page, you agree to the specified terms.

The Arduino software is provided to you “as is” and we make no express or implied warranties whatsoever with respect to its functionality, operability, or use, including, without limitation, any implied warranties of merchantability, fitness for a particular purpose, or infringement. We expressly disclaim any liability whatsoever for any direct, indirect, consequential, incidental or special damages, including, without limitation, lost revenues, lost profits, losses resulting from business interruption or loss of data, regardless of the form of action or legal theory under which the liability may be asserted, even if advised of the possibility or likelihood of such damages.

UNO R3

How to Install Arduino Software IDE on Computer / Laptop

Overview

Arduino Uno is a microcontroller board based on the ATmega328P (datasheet). It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz ceramic resonator (CSTCE16M0V53-R0), a USB connection, a power jack, an ICSP header and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started.. You can tinker with your Uno without worrying too much about doing something wrong, worst case scenario you can replace the chip for a few dollars and start over again.

“Uno” means one in Italian and was chosen to mark the release of Arduino Software (IDE) 1.0. The Uno board and version 1.0 of Arduino Software (IDE) were the reference versions of Arduino, now evolved to newer releases. The Uno board is the first in a series of USB Arduino boards, and the reference model for the Arduino platform; for an extensive list of current, past or outdated boards see the Arduino index of boards.

Related Boards

If you are interested in boards with similar functionality, at Arduino you can find:

Getting started

The Getting Started with Arduino Uno page contains all the information you need to configure your board, use the Arduino Software (IDE), and start tinkering with coding and electronics.

From the Tutorials section you can find examples from libraries and built-in sketches as well other useful information to expand your knowledge of the Arduino hardware and software.

Find inspiration for your Uno projects from our tutorial platform Project Hub.

Need Help?

Check the Arduino Forum for questions about the Arduino Language, or how to make your own Projects with Arduino. Need any help with your board please get in touch with the official Arduino User Support as explained in our Contact Us page.

Warranty

You can find here your board warranty information.

Downloadable resources

Arduino UNO is a microcontroller board based on the ATmega328P. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz ceramic resonator, a USB connection, a power jack, an ICSP header and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started. You can tinker with your UNO without worrying too much about doing something wrong, worst case scenario you can replace the chip for a few dollars and start over again.

The ATmega328P can easily be replaced, as it is not soldered to the board.

The ATmega328P also features 1kb of EEPROM, a memory which is not erased when powered off.

The Arduino UNO features a barrel plug connector, that works great with a standard 9V battery.

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IDE trong Arduino IDE là phần có nghĩa là mã nguồn mở, nghĩa là phần mềm này miễn phí cả về phần tải về lẫn phần bản quyền: Người dùng có quyền sửa đổi, cải tiến, phát triển, nâng cấp theo một số nguyên tắc chung được nhà phát hành cho phép mà không cần xin phép ai, điều mà họ không được phép làm đối với các phần mềm nguồn đóng.

Tuy là phần mềm mã nguồn mở nhưng khả năng bảo mật thông tin của Arduino IDE là vô cùng tuyệt vời, khi phát hiện lỗi nhà phát hành sẽ vá nó và cập nhật rất nhanh khiến thông tin của người dùng không bị mất hoặc rò rỉ ra bên ngoài.

Arduino IDE – Phần mềm lập trình mã nguồn mở miễn phí

Arduino IDE sử dụng ngôn ngữ lập trình C/C++ rất phổ biến trong giới lập trình. Bất kỳ đoạn code nào của C/C++ thì Arduino IDE đều có thể nhận dạng, giúp các lập trình viên thuận tiện trong việc thiết kế chương trình lập cho các bo mạch Arduino.

Code C/C++

Arduino có một module quản lý bo mạch, nơi người dùng có thể chọn bo mạch mà họ muốn làm việc cùng và có thể thay đổi bo mạch thông qua Menu. Quá trình sửa đổi lựa chọn cũng liên tục tự động cập nhật để các dữ liệu có sẵn trong bo mạch và dữ liệu sửa đổi đồng nhất với nhau. Bên cạnh đó, Arduino IDE cũng giúp bạn tìm ra lỗi từ code mà bạn biết giúp bạn sửa lỗi kịp thời tránh tình trạng bo mạch Arduino làm việc với code lỗi quá lâu dẫn đến hư hỏng hoặc tốc độ xử lý bị giảm sút.

Tương thích với bo mạch Arduino

Arduino IDE tích hợp với hơn 700 thư viện, được viết và chia sẻ bởi nhà phát hành Arduino Software và thành viên trong cộng đồng Arduino. Mọi người có thể tận dụng chúng cho dự án của riêng mình mà không cần phải bỏ ra bất kỳ chi phí nào.

Tham khảo bài viết: 20 thư viện Arduino phổ biến nhất | Dowload thư viện Arduino

Thư viện đa dạng

Arduino IDE có một giao diện đơn giản, dễ sử dụng giúp người dùng thuận tiện hơn trong thao tác. Dưới đây là một số tính năng nổi bật chúng ta thường sử dụng:

Nút kiểm tra lỗi (Verify)

Nút tải code vào bo mạch (Upload)

Vùng lập trình

Thanh Menu

Arduino IDE hoạt động trên 3 hệ điều hành phổ biến nhất là Windows, Mac OS và Linux giúp người dùng có thể truy cập vào phần mềm ở bất cứ đâu, bất cứ khi nào miễn là họ có một cái máy tính. Ngoài ra, người dùng có thể truy cập vào công cụ từ đám mây. Điều này cho phép các nhà lập trình lựa chọn tạo và lưu dự án của mình trên đám mây hoặc xây dựng chương trình trên máy tính và upload nó lên bo mạch Arduino.

Hỗ trợ nhiều nền tảng khác nhau

Tóm lại, Arduino IDE là một phần mềm được phân phối chính hãng, tải miễn phí và giao diện thân thiện với người dùng. Phần mềm liên tục được nhà phát hành cập nhật dưới sự giúp đỡ của Cộng đồng người dùng Arduino đông đảo nên độ bảo mật là rất cao. Arduino IDE là phần mềm nên sử dụng nhất để tải code vào bo mạch Arduino.

Hướng dẫn cài đặt Driver cho Arduino Uno R3 (Mới nhất 2023)

Chào các bạn, hôm nay mình sẽ hướng dẫn các bạn cách cài đặt Driver cho Arduino IDE. Một sự cố mà các bạn hay thực hành trên các bo Arduino. Trong các sự cố mà các bạn thường hay gặp phải là không kết nối được cổng COM làm cho các bạn không thể giao tiếp được với board mạch chủ. Để có thể hiểu rõ hơn cách giao tiếp ra sao các bạn đọc ngay bài viết bên dưới để hiểu rõ hơn nhé.

Đọc ngay: Giao tiếp Arduino với máy tính thông qua Serial (UART) (Cập nhật 2023)
Đọc ngay: Mạch Arduino Uno là gì? Hướng dẫn chi tiết cách sử dụng

Arduino MASTERCLASS | Full Programming Workshop in 90 Minutes!

Tech specs

Microcontroller	ATmega328P
Operating Voltage	5V
Input Voltage (recommended)	7-12V
Input Voltage (limit)	6-20V
Digital I/O Pins	14 (of which 6 provide PWM output)
PWM Digital I/O Pins
Analog Input Pins
DC Current per I/O Pin	20 mA
DC Current for 3.3V Pin	50 mA
Flash Memory	32 KB (ATmega328P) of which 0.5 KB used by bootloader
SRAM	2 KB (ATmega328P)
EEPROM	1 KB (ATmega328P)
Clock Speed	16 MHz
LED_BUILTIN	13
Length	68.6 mm
Width	53.4 mm
Weight	25 g

Thông số kĩ thuật

Vi điều khiển	ATmega 328 8bit
Điện áp hoạt động	5V DC (chỉ cấp qua cổng USB)
Tần số hoạt động	16 MHz
Dòng tiêu thụ	~30mA
Điện áp vào khuyên dùng	7 – 12 VDC
Điện áp vào giới hạn	6 – 20 VDC
Số chân Digital I/O	14 (6 chân hardware PWM)
Số chân Analog	6 (10 bit)
Dòng tối đa trên mỗi chân I/O	30 mA
Dòng tối đa (5V)	500 mA
Dòng ra tối đa (3.3.V)	50 mA
Bộ nhớ flash	32 KB (ATmega328) với 0.5KB dùng bởi bootloader
SRAM	2 KB (ATmega328)
EEPROM	1 KB (ATmega328)