TransmissionAdded in 1.5
REDSTONE COMPARATOR
A versatile component with two modes: compare mode (outputs back signal if back >= side) and subtract mode (outputs back - side). Can also read container fullness as an analog signal.
Crafting Recipe
3 Stone + 3 Redstone Torches + 1 Nether Quartz → 1 Redstone Comparator
Signal Behavior
Input
Back input and side inputs
Output
Compare: back signal if back >= side (else 0). Subtract: back - max(sides), min 0.
Max Signal Strength
15
Delay
1 redstone tick
Modes
- Compare mode (front torch off)
- Subtract mode (front torch on)
Common Uses
- ▸Container fullness detection
- ▸Analog signal processing
- ▸Subtraction circuits
- ▸Item sorting
- ▸Signal comparison
Common Mistakes
- !Confusing compare vs subtract mode
- !Side inputs override if stronger in compare mode
- !Reading containers requires specific placement