The YBP3 (Product Code: BL-YBP3) is a new programmer supporting the BL-PRO3 series of speed controllers.

By connecting this programmer to the ESC's programming port, one can easily and quickly configure the speed controller to provide the desired throttle response.

Not only does the YBP3 support the new family of ESCs, it also supports the BL-PRO2 families of speed controllers as well.