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Computerblocks can be an incredibly daunting experience upon the first launch, so this guide aims to help break it down into smaller components and teach you the process of creating a circuit.

Getting started

Let’s start by building the most simple possible circuit available.

cable of cable on

This circuit will simply carry a charge or signal through a cable with the capability to pass it to a gate or secondary circuit.

The Cable is the grey block and the most basic of them all. Its primary function is to transfer signals around your circuit. It simply checks for a powered block in the 4 adjacent cardinal directions, if one is found it will pass on the signal power any blocks adjacent to it.

The Source block is the next block required to make the most primitive possible working circuit. I output a charge to all of the surrounding blocks.

Logic

The next step for us is to produce a simple logic gate. A logic gate is the building block for all existing computers and computing technology. They take an input or multiple inputs and produce a single binary output. These gates consist of AND, OR and XOR as well as the inverted versions of each (NAND, NOT, NOR and XNOR).

For more information on logic gates in general technology check out https://en.wikipedia.org/wiki/Logic_gate#Symbols.

An OR gate is the simplest of these to make. It takes one or more inputs and if any of them are enabled then the output will be true. Simple enough so let’s build it in Computer Blocks.

or gate off or gate on

To produce one you simply connect 2 or more cables to a single output wire. This means that if any of those connected inputs are charges the output cable will also be charged.

The next circuit is the AND gate. It is quite a bit more complicated than the previous builds in this guide. It checks to see if all of the inputs are enabled and if so, it will output a charge. To build this we will need a new type of block.

This new block is the Inverter, one of the most useful and diverse objects in the game. However, it is actually very simple. It takes the input and outputs the opposite charge. So if the input is true the output will be false and vice versa.

inverter off inverter on

The red block is the Inverter and as you might have noticed it has a directional bar on it. This bar represents the output direction of the block. If any of the non-marked sides are powered the output in the direction it is facing will be false.

Okay so now we know this, let’s get back to building an AND gate. This gate and most of them afterwards can be quite confusing for newcomers so if you don’t quite understand feel free to do your own research with the many only resources available.

AND gate off AND gate one AND gate on

As you can see in the diagrams above the output is only on when both inputs are enabled. Also, keep in mind the rotation of the inverters when building the circuit.

The next and final gate we need is the XOR or exclusive or gate. This is easily the most challenging of the circuits to make. It checks to see if a single one of its inputs are charged and if so it ouputs a current.

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