Keyestudio ESP32 - 2. Wiring Diagram; 3. Test Code

To Next Page

To Previous Page

ESP32 Starter Kit

2. Wiring Diagram

3. Test Code

What we should clear ﬁrstly is how SOS distress light blinks: LED quickly blinks 3 times for “S” and slowly blinks

3times for “O”. And then, we control the blinking times and duration via “for” statement and set interval time among

letters.

1. Drag the two code blocks.

176 Chapter 9. Scratch Tutorial