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[Bonny Battaglino]

How to Download and Install Blujay for Mac

Blujay is a digital ESC firmware for controlling brushless motors. It offers high performance, smooth throttle response, and user-configurable settings. If you are looking for a way to download and install Blujay for Mac, you have come to the right place. In this article, we will show you how to get Blujay for Mac in a few simple steps.

What is Blujay?

Blujay is a fork of BLHeli_S, a popular ESC firmware for quadcopters and other multirotors. Blujay aims to improve on BLHeli_S by adding features such as:

• Selectable PWM frequency: 24, 48 and 96 kHz.

• PWM dithering: 11-bit effective throttle resolution.

• Power configuration: Startup power and RPM protection.

• High performance: Low commutation interference.

• Smoother throttle to pwm conversion.

• User configurable startup tunes.

• Numerous optimizations and bug fixes.

Blujay is compatible with most BLHeli_S hardware and can be flashed using the same tools. You can find more information about Blujay on its GitHub page[^3^].

How to Download and Install Blujay for Mac

To download and install Blujay for Mac, you will need the following:

• A Mac computer running OS X 10.11 or later.

• A USB-to-serial adapter that supports CP210x or FTDI drivers.

• A 4-in-1 ESC programming cable or individual ESC signal wires.

• The latest version of BlueJ, a Java IDE that supports Blujay flashing.

Here are the steps to download and install Blujay for Mac:

• Download the latest version of BlueJ from its official website[^1^]. You can also get it from the Mac App Store.

• Install BlueJ by following the instructions on the screen. You may need to grant permission for BlueJ to run on your Mac.

• Download the latest version of Blujay firmware from its GitHub releases page[^3^]. You will need to download the .hex file that matches your ESC hardware.

• Connect your USB-to-serial adapter to your Mac and plug in your ESC programming cable or signal wires. Make sure you have the correct wiring for your ESCs. You can find more information on how to connect your ESCs on the Blujay wiki page[^3^].

• Launch BlueJ and open a new project. You can name it anything you want.

• In the project window, right-click on an empty space and select "New Class". Name it "Flasher" and click OK.

• In the editor window, copy and paste the following code:

```java

import bluej.extensions.*;

import bluej.extensions.event.*;

import bluej.extensions.editor.*;

import java.io.*;

import java.util.*;

import javax.swing.*;

import gnu.io.*;

public class Flasher extends Extension

{

private static final String VERSION = "1.0";

private static final String NAME = "Flasher";

private static final String DESCRIPTION = "Flash Blujay firmware to ESCs";

private BlueJ bluej;

private Editor editor;

private File firmwareFile;

private SerialPort serialPort;

private InputStream input;

private OutputStream output;

public boolean isCompatible()

return true;

public void startup(BlueJ bluej)

{

this.bluej = bluej;

this.editor = null;

this.firmwareFile = null;

this.serialPort = null;

this.input = null;

this.output = null;

try

{ 51082c0ec5