Getting an Wavgat Arduino Uno R3 to work on Mac OS was a challenging adventure, mainly because of poor documentation. Here is my definitive guide, current as of 2018-10-08.
Download or Update to the latest version of Ready for Mac or Windows. Arduino Boards: Current version supports Arduino UNO & Arduino LEONARDO 'type' boards. Download the software. Download for Free. Arduino Simulator 1.8 macOS. The license key: 5FVKL-CMSM2-ZH9EX-UAFIX-AKRN9. Or this key: FLEAK-4VBAA-TDZ4E-A3LKC-FX9HR. This version is for mac computers, download the Windows version here. Download and install the Java JDK here. Download for free. Programming for Arduino is done through the Arduino programming language (based on Wiring) and the Arduino development environment (based on Processing). Arduino-based projects can either include only Arduino or Arduino and other device running with a compatible OS. E.g, Arduino paired with Echo Dot or Google Home for smart home control.
- This is a MacBook Pro (Retina, 13-inch, Late 2013)
- The Arduino is a Wavgat Arduino Uno R3 (like this)
- Those are clones (the ones with CH340G’s definitely are - they’re also not really Uno’s either, since one of the things that set the Uno apart was that it used a reprogrammalble 16u2 for the usb-serial adapter; though nobody really takes advantage of that) - the reason they are so cheap is that none of the money is going back to Arduino to support development of the software.
- Download the Arduino Software (IDE) Get the latest version from the download page. The file is in Zip format; if you use Safari it will be automatically expanded. If you use a different browser you may need to extract it manually. Copy the Arduino application into the Applications folder (or elsewhere on your computer).
I’m attaching to this guide a bunch of files that are distributed all over the net. You can get them from the original links in the post, or use the versions that I attached here.
1. Install the Arduino IDE
Get the Arduino IDE from arduino.cc
Do not use the Web Editor; you need the IDE because we need to manually add configuration for the Wavgat.
After unzipping the file, copy it to “Applications”. The remainder of this post assumes that this is where the IDE is located.
Arduino Uno Download Mac Free
When you start the IDE, at this step, it will likely not see the Wavgat in the “Ports” menu. This is expected, and will be fixed in the next step.
2. Install CH340G drivers
Wavgat uses a non-standard USB chip called CH340G. It requires you to install drivers.
You can get these from adrianmihalko’s GitHub repo.
As of this writing, you need the CH34x_Install_V1.4.pkg version. Download it, open, follow the installer steps, and reboot your computer.
After rebooting, You might need to unblock the driver. Check the section “Security and Privacy” in System Preferences for any notices about blocked software.
Now, you should see the Wavgat in /dev when you connect it:
However, when you launch a Sketch in the IDE, you will probably encounter the following error message:
This is again expected, and will be fixed in the next step.
3. Install Wavgat’s configuration files
Download the configuration files. I recommend that you use the wavgate-ide-update.zip archive attached to this guide, because the files in there have already been patched (and so you don’t need step 4 below). However, you can also get the configuration from this obscure .rar file on Drive. More details in this post for Windows
Uncompress the archive. You should see a folder that looks roughly like this:
All this content needs to go into the IDE’s installation folder. Close the IDE. Then copy the content like this:
For example, the update/hardware/WAV8F/platform.txt needs to end up in /Applications/Arduino.app/Contents/Java/hardware/WAV8F/platform.txt.
Now start the IDE again. You should see new boards under “Tools > Boards”. Select “WAVGAT UNO R3”.
As Port, select “/dev/cu.wchusbserial1410” or similar.
Now, you can load the blink demo and run “Upload”. If all goes well, this should actually work and lead to a LED that blinks (on for one second, off for one second). In the IDE message window, you should see messages like “Done uploading”, “avrdude: 1244 bytes of flash verified”, and “avrdude done. Thank you.”
4. Fix error messages and warnings
This step is optional, and only needed if you did not use the wavgate-ide-update.zip config files. The current setup still creates a number of warnings when flashing a Sketch. Especially if you have turned on “Show verbose output during compilation / upload” and “Compiler warnings: all” in the IDE preferences. You can fix some of these by making the changes below.
In the files listed below, replace the line marked with - by the line marked with +:
To change a warning about missing bootloader files, change the path separator from to /.
The following removes a few compiler warnings:
This change removes warnings about “deprecated recipe.ar.pattern”:
5. Have fun and profit
I hope this helps
wavgate-ide-update.zip (950 KB)
Arduino IDE
The open-source Arduino Software (IDE) makes it easy to write code and upload it to the board. It runs on Windows, Mac OS X, and Linux. The environment is written in Java and based on Processing and other open-source software.
This software can be used with any Arduino board.
Refer to the Getting Started page for Installation instructions.
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