SunFounder ESP32 Starter Kit
In order to see the effect of continuous blinking LED, you need to use the [Wait 1 seconds] and [forever] blocks in the
Control palette. Click on these blocks after writing, there is a yellow halo means it is running.
• [Wait 1 seconds]: from the Control palette, used to set the time interval between 2 blocks.
• [forever]: from the Control palette, allows the script to keep running unless the power is off.
Finally, click the Upload Code button.
468 Chapter 4. Play with Scratch