1. Connect Grove for Scratch and PC with a USB cable. When you use Grove devices with it, check the model number, connection port, and blocks referring to the available grove list. Technic guide will also be helpful for ideas. Both are available in Japanese only.

2. Access Stretch3 and click the icon in the lower left corner to add extensions.

3. Select AkaDako.

4. Blocks for Grove for Scratch are added and can be used.

If a window appears requesting a connection to the serial port, select “Grove-Scratch” and click Connect.