Tried to use the observer block to send a redstone signal when a minecart is passing. Due to the fact that the observer is triggered from a expanded piston, it would be logical if it would be triggered from a passing minecart.
Tried to use the observer block to send a redstone signal when a minecart is passing. Due to the fact that the observer is triggered from a expanded piston, it would be logical if it would be triggered from a passing minecart.
A minecart passing by is not a block change/update (whatever pe uses).