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Download

Select the corresponding download for your Mac OS version:

https://www.microduino.cc/download

Installation

Open the downloaded file. You will see the Arduino IDE and a Drivers folder:

If the following window appears when trying to open "Arduino IDE for Microduino", go to:

System Preferences->Security and Privacy->Change "Allow apps downloaded from:" to Anywhere.

Open the Drivers folder. Then install the driver package for your particular Mac OS version:

Connect Microduino-CoreUSB or mCookie-CoreUSB to your computer. A popup will appear. Click continue.

Your Mac is trying to recognize the new device. Briefly press the key to the right of your shift key.

A popup will appear saying that your keyboard cannot be recognized. Click "Skip".

Select the keyboard layout for your region (ANSI for most users). Click done.

Confirm Drivers Installed Successfully

Connect Microduino-USBTTL to your computer. Verify that there are available Port options under Tools.

Connect Microduino-CoreUSB or mCookie-CoreUSB to your computer. Verify that there are available Port options under Tools.

Arduino IDE Basics

Interface

【Verify】: Checks for errors in the code.

【Upload】: Uploads the program to a MCU.

【Serial Monitor】: Useful in debugging programs.

Tools

【Board】: Select the corresponding core module to which the program is being uploaded.

【Processor】: Select the corresponding processor.

【Port】: Select the common USB port.

The Board Types
When using Microduino-Core, select the proper processor for your board:

When using Microduino-Core+, select the proper processor for your board:

When using Microduino-CoreUSB or mCookie-CoreUSB, select Microduino-CoreUSB:

Uploading Code

Select board type and processor.

Select the port.

Click upload.