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Feedback servos in Petoi robots

Feedback servos in Petoi robots

An easy way to teach your robot a new skill

Amitabha Banerjee's avatar
Amitabha Banerjee
Jul 26, 2025
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Learn With A Robot
Learn With A Robot
Feedback servos in Petoi robots
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In this tutorial, we will discuss how to use a new feature in Petoi robots called the feedback servos. This feature is available in all Petoi robots using the ESP32 BiBoard (So it will work on Nybble Q + Biboard, Bittle + Biboard, and BittleX + Biboard). You will also need a servo which has been manufactured after March 2024 (Check the label on the servo if you are unsure)

Build a new skill

Assuming you have the servos and the robot of the desired configuration, using this feature is rather easy. You first need to ensure that you have updated your robot’s firmware to the latest version. You then need to send a serial command 'fl' to your robot to start it to learn. (The easiest way to send a serial command is to connect to the robot via Bluetooth using the Petoi Mobile App). Once the robot receives the serial command, it will make a tiny beep sound. You can then rotate all the servos in your desired way. You are essentially training the robot to acquire a new skill.

Once you have done yo…

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