Notes

Minecraft:
Redstone must go into side of piston for piston to function
Redstone dust has max signal length of 15 blocks
Redstone torch will power all blocks next to it and the block directly above
If Redstone torch is place on the side of a block that's being powered, it turns off
Only sticky piston can both push and pull blocks, normal can only push
Max blocks you can move using 1 piston is 12 blocks
dispenser dispenses base item, dropper can place spawn eggs
Redstone lamp turns on when it receives a red stone pulse
Stone button has tick speed of 10 (1 second), as opposed to a wood that has a tick speed of 15 (1.5 seconds)
lever gives constant Redstone pulse until turned of
the only difference between wood and stone pressure plates is that wood sends a Redstone pulse when and entity is thrown on it
Trap chest gives output of 1 when opened, good for traps.
Hoppers take from the hopper (or block) below them and when no more blocks are left, the blocks can then be put in a chest
daylight sensor gives output depending on where sun is and what time of day it is.
an observer give a Redstone signal when a block is placed in front or Brocken I front of it