Step 1. Open Codecraft [https://ide.chmakered.com/], add Arduino
support, and drag a main procedure to working area.
Step 2. Drag blocks as picture below or open the cdc le which can
be downloaded at the end of this page.
Note
If this is your rst time using Codecraft, see also Guide for Codecraft using
Arduino
[https://wiki.seeedstudio.com/Guide_for_Codecraft_using_Arduino/].