Build circuits yourself

Build your own circuits

For the real (starting) electronics engineer, hobbyist and professional it is a challenge to build an electronic circuit working on a pcb board assembly, so we will discuss here how you can do that.

Building a working circuit on a PCB yourself consists of 3 steps:

- Choice of electronic circuit

- What kind of printed circuit board do you use (experimental print, print etching or have print made)

- Provide the printed circuit board with components and tests

Manufacture of a printed circuit board

By manufacturing the printed circuit board we mean transferring the electrical schematic to an epoxide printed circuit board. After the printed circuit board has been manufactured, the components can be placed on the printed circuit board and soldered. After we have chosen an electronic circuit, we will have to determine which method we want to use to actually build our circuit on a print, there are several options for this:

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- On experimental print (also called "hole print") or breadboard

- Etch a print yourself (“printed print”)

- Have a print made by a company (“printed print”)

Building on an experimental print works quickly and cheaply, it doesn't look professional but works just as well, and is perfect for testing a circuit before making a printed version of it. Making a printed print yourself takes a little more work, is slightly more expensive, but gives a lot of satisfaction from your work. Before we start making a print, we need a print layout, which determines where and how the components are placed and how the connections (print tracks) run. There are also companies that turn your print layout into a professional printed print, if you need several of the same prints, this can even be cheaper than manufacturing it yourself.

What is an electrical circuit?

An electrical circuit is a device that uses electricity to perform a task, such as running a vacuum or powering a lamp. The circuit is a closed loop formed by a power source, wires, a fuse, a load, and a switch. Electricity flows through the circuit and is supplied to the object that powers it, such as the vacuum motor or light bulb, then the electricity is returned to the original source; this return of electricity enables the circuit to keep the flow of electricity flowing. There are three types of electrical circuits: the series circuit, the parallel circuit, and the series-parallel circuit; depending on the circuit type, electricity may continue to flow if a circuit stops working. Two concepts, Ohm '

How it works

Most appliances that run on electricity contain an electrical circuit; When connected to an energy source, such as plugged into an electrical outlet, electricity can flow through the electrical circuit in the appliance and then return to the original energy source to continue the flow of electricity. In other words, when an on / off switch is turned on, the electrical circuit is complete and current flows from the positive terminal of the power source, through the wire to the load, and finally to the negative terminal. Any device that consumes the energy flowing through a circuit and converts that energy into work is called a load. A light bulb is an example of a load; it consumes the electricity of a circuit and converts it into work - heat and light.

Types of circuits

A series circuit is the simplest because it has only one possible path that the electric current can flow; if the electrical circuit is broken, none of the chargers will work. The difference with parallel circuits is that they contain more than one path for electricity to flow, so if one of the paths is broken the other paths will continue to work. A series-parallel circuit, however, is a combination of the first two: it attaches some of the loads to a series circuit and others to parallel circuits. If the series circuit breaks, none of the loads will function, but if one of the parallel circuits breaks, that parallel circuit and the series circuit will stop working while the other parallel circuits will continue to work. Also visit our printed circuit board assembly

Ohm's law

Many "laws" apply to electrical circuits, but Ohm's Law is probably the best known. Ohm's law states that the current of an electrical circuit is directly proportional to voltage and inversely proportional to resistance. So, if the voltage increases, for example, the current will also increase, and if the resistance increases, the current will decrease; both situations directly affect the efficiency of electrical circuits. To understand Ohm's law, it is important to understand the concepts of current, voltage, and resistance: current is the flow of an electric charge, voltage is the force that drives current in one direction, and resistance is the opposition of an object to having flow through it. The formula for Ohm's Law is E = I x R, where E = voltage in volts, I = current in amperes and R = resistance in ohms; this formula can be used to analyze voltage, current, and resistance of electrical circuits.

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Source voltage

Another important concept related to electrical circuits, source voltage refers to the amount of voltage that is produced by the energy source and applied to the circuit. In other words, source voltage depends on how much electricity a circuit will receive. The source voltage is affected by the amount of resistance within the electrical circuit; it can also affect the amount of current as the current is usually affected by both voltage and resistance. However, resistance is not affected by voltage or current but can reduce the amounts of voltage and current to an electrical circuit.

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