It's redstone, but tiny! Tiny Redstone is a mod that adds tiny redstone pieces that you can put together to form tiny redstone circuits. These circuits can be copied onto blueprints and shared inside and outside your Minecraft world.
Set the tick time from 0 to 1000 (configurable)
Choose your instrument!
Tiny versions of most vanilla redstone blocks.
Place your tiny redstone components anywhere in world.
I hope this never happens to you, but it is better than a game crash. Right click to attempt to "reboot" the circuit.