# Desktop APP

- [Introduction](/desktop-app/introduction.md)
- [Firmware Uploader](/desktop-app/firmware-uploader.md): This manual for Beginner. Makes it easier for you to get started with the robot(Nybble / Bittle ).
- [NyBoard](/desktop-app/firmware-uploader/nyboard.md)
- [BiBoard V0](/desktop-app/firmware-uploader/biboard-v0.md)
- [BiBoard V1](/desktop-app/firmware-uploader/biboard-v1.md)
- [Joint Calibrator](/desktop-app/joint-calibrator.md): Robots can be precisely calibrated using the Petoi Desktop App.
- [NyBoard Preparation](/desktop-app/joint-calibrator/nyboard-preparation.md)
- [BiBoard Preparation](/desktop-app/joint-calibrator/biboard-preparation.md)
- [Nybble](/desktop-app/joint-calibrator/nybble.md)
- [Bittle / Bittle X](/desktop-app/joint-calibrator/bittle-bittle-x.md)
- [Bittle (NyBoard)](/desktop-app/joint-calibrator/bittle-bittle-x/bittle-nyboard.md)
- [Bittle X (BiBoard V0)](/desktop-app/joint-calibrator/bittle-bittle-x/bittle-x-biboard-v0.md)
- [Bittle X (BiBoard V1)](/desktop-app/joint-calibrator/bittle-bittle-x/bittle-x-biboard-v1.md)
- [Bittle X+Arm](/desktop-app/joint-calibrator/bittle-x+arm.md)
- [BiBoard V1](/desktop-app/joint-calibrator/bittle-x+arm/biboard-v1.md)
- [BiBoard V0](/desktop-app/joint-calibrator/bittle-x+arm/biboard-v0.md)
- [Skill Composer](/desktop-app/skill-composer.md): Skill Composer is a skill development tool specially developed by Petoi for robots (Bittle, Nybble). Good tools are the prerequisite to the success of a job.
- [NyBoard Connection](/desktop-app/skill-composer/nyboard-connection.md)
- [BiBoard Connection](/desktop-app/skill-composer/biboard-connection.md)
- [Interface](/desktop-app/skill-composer/interface.md)
- [Nybble](/desktop-app/skill-composer/interface/nybble.md)
- [Bittle / Bittle X](/desktop-app/skill-composer/interface/bittle-bittle-x.md)
- [Bittle X+Arm](/desktop-app/skill-composer/interface/bittle-x+arm.md)
- [Tools](/desktop-app/tools.md)