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Roomba Basic Functionality is Disabled After SCI Commands

Question


I am writing a robot-app game for Roomba.

I am facing a weird problem with my robot-app.
Whenever the game is finished Roomba is stuck:
  • All its LEDs are turned OFF;
  • Cleaning and other buttons are disabled;
  • Can’t can't turn the Roomba OFF;

I am very close to finish my game and upload it to RobotAppStore.

Please help me to fix this issue.

Answer


We are looking for...
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Roomba SCI Commands Are Not Working

Question


I am trying to send SCI commands to Roomba SCI port.

I’ve checked the command, and it is correct (as it is an example command for playing a sound):
128 132
140 0 1 62 32
141 0

I am using a RooTooth Bluetooth device.
The command is sent through RealTerm terminal.
I have Roomba 510 model.

What am I...
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Roomba SCI Does Not Play a Song from the Beginning

Question


I have a question regarding Roomba’s song play.
Why the second time that the pre-defined song is played, it is not started from the beginning of the song?
I’ve tried to override the existing song and re-save the song again, after playing it the first time, but it still starts from the middle.

Is it a known issue of Roomba’s SCI?

Answer


When the song play is interrupted, the next time the specific song number is played, it will continue...
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Roomba SCI Stop Working After Fail Safe

Question


I’ve successfully managed to drive my iRobot Create for a while, until it hits something that causes the fail-safe mechanism to be activated.
After the activation of the fail-safe mechanism, SCI commands are ignored.

Why is it happening?

Answer


Activation of the fail-safe mechanism puts your Roomba/Create into a “Passive mode”, which ignores the driving commands.

Only the following commands are available in “Passive mode”:
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