3*3 spiral door not working with pressure plate - Redstone Creations - Redstone Discussion and Mechanisms - Minecraft: Java Edition - Minecraft Forum - Minecraft Forum
MC-123912] Comparator doesn't update properly in a dropper clock in certain conditions (inconsistent behavior) [UPDATE, it's inconsistent behavior with tripwires, not comparators] - Jira
Redstone question: This pulse extender doesn't work unless the repeater is set to 2 ticks. Please explain why. : r/Minecraft
Pulse Extender - With 2 Comparators (3 x 2 x 1) : r/redstone
3 Ways to Lengthen Redstone Pulse Signals with a Simple Pulse Sustainer « Minecraft :: WonderHowTo