TriggersAdded in 1.14
LECTERN
Outputs a redstone signal proportional to the page being read in the placed book. Also emits a pulse when a player turns a page. Can be read by comparators for the page number.
Crafting Recipe
4 Wooden Slabs + 1 Bookshelf → 1 Lectern
Signal Behavior
Input
Book placed on lectern, player page turns
Output
Comparator: signal proportional to page number. Direct: pulse on page turn.
Max Signal Strength
15
Delay
Instant pulse on page turn
Modes
- Pulse on page turn
- Analog output via comparator (page position)
Common Uses
- ▸Analog input device
- ▸Menu systems
- ▸Page-based selection
- ▸Adventure map controls
Common Mistakes
- !Requires a book to function
- !Comparator output differs from direct output
- !Signal depends on total page count ratio