Minecraft mod Random Things: Redstone Activator Bit-by-Bit
Minecraft: Simple Redstone Machines To Make Your Life Easier
Why am I finding random redstone torches in caves in Minecraft
What is your coolest redstone creation in Minecraft and what does
Via dinnerbone's twitter: Ah, analog redstone. But what does it
Compact Redstone Torch Randomizer! [Tutorial]
Random Redstone torches and lever in my Minecraft singleplayer
Redstone circuits/Clock – Minecraft Wiki
Redstone Torch – Minecraft Wiki