What is redstone circuit? It is the circuit of a machine operating in the world of Minecraft, or the mechanism of the machine. My image is redstone circuit = electronic circuit. An example of an item of Redstone circuit as an electronic part is as follows. · Redstone dust = wiring · Redstone torch = battery · Redstone Lamp = Light Bulb · Redstone comparator = transistor · Redstone repeater = diode Besides, automatic doors can be made with a pressure sensitive plate and a door, and lamps and daylight detector turn into street lights. Also, some of the amazing crafters, some people made computers in the world of Minecraft. A CPU called a brain of a computer is a circuit that combines electronic components such as transistors and diodes.