Place two stacked on top of each other, facing you. Put any building block on the sticky face of both pistons.
Place a block directly behind the bottom piston and put on top of it. Minecraft Redstone For Dummies
: The actual "wire" you place on the ground. Power travels up to 15 blocks through dust before running out. Place two stacked on top of each other, facing you
: A manual on/off switch that stays in its toggled state. Minecraft Redstone For Dummies
: Provide a temporary pulse of power before turning off.