Redstone clocks are a kind of device in Minecraft. ... Ethiopian hopper clocks can have a time period ranging from eight ticks to 256 ticks.

Using this redstone dust, connect the hopper clock to whatever machinery is desired. Lastly, place the 16 standard blocks in the hopper that isn't adjacent to the redstone block.

Minecraft developer, Jens Bergensten, has just tweeted that the next update for Minecraft, Minecraft 1.5 Redstone, will be released in a couple of weeks. The… ...