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# AVRDUDE
[![Build Status](https://github.com/avrdudes/avrdude/actions/workflows/build.yml/badge.svg)](https://github.com/avrdudes/avrdude/actions/workflows/build.yml)
AVRDUDE - AVR Downloader Uploader - is a program for downloading and uploading
the on-chip memories of Microchip’s [AVR microcontrollers](https://en.wikipedia.org/wiki/AVR_microcontrollers).
It can program the Flash and EEPROM, and where supported by the programming
protocol, it can program fuse and lock bits.
AVRDUDE also supplies a direct instruction mode allowing one to issue any
programming instruction to the AVR chip regardless of whether AVRDUDE
implements that specific feature of a particular chip.
AVRDUDE was originally written in 2003 by Brian S. Dean. Since 2006, AVRDUDE has been maintained by Jörg Wunsch,
with the help of [various contributors](./AUTHORS).
The latest version of AVRDUDE is always available here:\
<https://github.com/avrdudes/avrdude>
## Getting AVRDUDE for Windows
To get AVRDUDE for Windows, install the latest version from the [Releases](http://download.savannah.gnu.org/releases/avrdude/) page.
Alternatively, you may [build AVRDUDE](https://github.com/avrdudes/avrdude/wiki) yourself from source.
## Getting AVRDUDE for Linux
To install AVRDUDE for Linux, install the package `avrdude` by running the following commands:
```console
sudo apt-get install avrdude
```
Alternatively, you may [build AVRDUDE](https://github.com/avrdudes/avrdude/wiki) yourself from source.
## Getting AVRDUDE for MacOS
On MacOS, AVRDUDE can be installed through Mac Ports.
Alternatively, you may [build AVRDUDE](https://github.com/avrdudes/avrdude/wiki) yourself from source.
## Using AVRDUDE
AVRDUDE is a command-line application. Run the command `avrdude` without any arguments for a list of options.
A typical command to program your HEX file into your AVR microcontroller looks like this:
```console
avrdude -c <programmer> -p <part> -U flash:w:<file>:i
```
For instance, to program an **Arduino Uno** connected to the serial port **COM1** with a HEX file called `blink.hex`,
you would run the following command:
```console
avrdude -c arduino -P COM1 -b 115200 -p atmega328p -D -U flash:w:objs/blink.hex:i
```
There are many different programmers and options that may be required for the programming to succeed.
For more information, refer to the [AVRDUDE documentation](http://download.savannah.gnu.org/releases/avrdude/avrdude-doc-6.4.pdf).