diff --git a/uncanny/can.go b/uncanny/can.go
index 6faabb7..fda48d8 100644
--- a/uncanny/can.go
+++ b/uncanny/can.go
@@ -53,7 +53,13 @@ func (c *Can) Handle(frame can.Frame) {
 		switch typ {
 		case MessageTypeFeedback:
 			log.Printf("Got feedback message: %+v", obj.(FeedbackMessage))
+			log.Printf("Data: 0x%02x 0x%02x", frame.Data[0], frame.Data[1])
 			c.swstate = obj.(FeedbackMessage)
+			// when all end switches are off: send stop command
+			if !c.swstate.EmptyD && !c.swstate.EmptyE && !c.swstate.EmptyF && !c.swstate.EmptyG && !c.swstate.EmptyH {
+				log.Printf("All end switches off, stopping dispenser")
+				c.Cancel()
+			}
 		case MessageTypeFeedbackRequest:
 			// ignore
 		case MessageTypePower: