How to change mode by on-board buttun

#1

Hello

I’m beginner…
I want to make mBlock program to change 3 mode -linefollower mode, ultrasonic mode, manual mode- by mCore’s on-board buttun like mBot pre-uploaded factory program.
I am pleased if you can give me advice. thank you.

#2

Hi ogi,
You may refer to the mBot FAQs (FAQ2) to reset default program.
Then press on board button can change the two lights color. Green–Ultrasonic mode, Blue–line follower mode, White–manual mode.