This detector block will detect any Minecart that passes adjacent to them. They can be placed under or beside rails. They will only provide power in the direction of the light. If you are using it for the turnpike in the picture, FACE it toward the Switch Motor. Or else, it will trigger the track.
Detectors[]
There are various kinds of detectors for different purposes, such as Chest Carts, Tank Carts, manned Minecarts, and Energy Carts.
Detector - Storage[]
Triggers only on Chest Carts.
Detector - Player[]
Triggers only if cart has a player in it.
Detector - Empty[]
Triggers on detecting an empty cart.
Detector - Mob[]
Triggers only on a cart with a monster in them.
or
Detector - Animal[]
Triggers only if there is an animal in the cart. It has a GUI for selecting different kind of animals.
Detector - Growth[]
Triggers only with an adult animal in them, does not trigger with a baby animal.
Detector - Explosive[]
Triggers only if a TNT cart passes.
Detector - Advanced[]
Uses a GUI to select which carts it triggers.
Detector - Tank[]
Triggers only on Tank Carts.
Detector - Energy[]
Triggers only on BatBox Carts, MFE Carts, and MFSU Carts.
Detector - Powered[]
Detector - Train[]
Detector - Sheep[]
Only activates when a Sheep that is in a cart passes.