Which components form a complete following system?

Answer

The source lists one front ULM3-PDOA anchor, one rear ULM3-PDOA anchor, one CTLFOLLOWV17 following controller, one HR-C400-80A DC motor controller, a 24V 20AH lithium battery and charger, either a ULM3-YK remote-control tag or ULM3-SH wristband tag, and matched motors and wheels for two-wheel or four-wheel drive. Four ultrasonic obstacle sensors and mounting/wiring accessories are optional. A packaged omnidirectional following kit is also available.