Tried to get a BLTouch to work for about 4 hours before I read a description of another creality board that said that the servo pin was PB0. In pins_CREALITY_CR4NTxxC10.h it has Z_STOP_PIN defined as PB0 and SERVO0_PIN defined as PB1. I switched them and it works. The schematic also has it wrong.
Tried to get a BLTouch to work for about 4 hours before I read a description of another creality board that said that the servo pin was PB0. In pins_CREALITY_CR4NTxxC10.h it has Z_STOP_PIN defined as PB0 and SERVO0_PIN defined as PB1. I switched them and it works. The schematic also has it wrong.