SMD (Surface Mount Device) or SMT (Surface Mount Technology) components are increasingly used in industry. Knowing how to weld on a printed circuit board (PCB) is essential to make functional circuits using the latest technologies. In this video, I give you the tips you need to know to properly solder small components such as resistors and integrated circuits. I also show you how to correct problematic solders (tin bridge) with desoldering braid.
Welding Tutorial
Soldering properly is a fundamental skill that every maker must master. In this soldering tutorial, you will find the basics of soldering irons, soldering stations, types of soldering, desoldering, and safety tips. Whether you're building a robot or working with Arduino, knowing how to solder will come in very handy.
What is welding?
If you take apart an electronic device that contains a circuit board, you will see that the components are attached using solders. Soldering is the process of joining two or more electronic parts, achieved by melting solder around the connection. Solder is a metal alloy and when it cools, it creates a strong, electrically conductive bond between the parts. If the solder can create a permanent connection, it can also be removed using a desoldering tool as described below.
Used tools
The good news when you decide to learn to solder is that you don't need a lot of materials to get started. Below are the basic tools and materials you will need for most of your projects that require soldering.
Soldering iron
A soldering iron is a hand tool that plugs into a 220v AC outlet and heats up to melt solder on electrical connections. There are also models connecting to a USB port but they only have 8 watts of power, which is sometimes insufficient.
It is one of the most important tools used for soldering and there are several variations of it which can be shaped like a pen or a gun. For beginners, it is recommended to use a 15W to 30W soldering iron. Most soldering irons have interchangeable tips (also called “tips”) that can be used depending on the type of soldering you are doing. Be very careful when using any type of soldering iron as some can heat up to over 400°C which is extremely hot.
soldering station
A soldering station is a more advanced version of the basic self-contained soldering pen we just covered. If you plan to do a lot of soldering, this is it because these devices offer more flexibility and control of operations.
The main advantage of a soldering station is the ability to precisely adjust the temperature of the soldering iron, which is ideal for a wide variety of projects.
These stations can also create a safer workspace as some include advanced temperature sensors, alert settings, and even password protection for security.
soldering iron tips
At the end of most soldering irons there is an interchangeable part known as the soldering iron tip. There are many tip designs that come in a wide variety of shapes and sizes. Each breakdown model is used in a specific situation and it offers advantages over the other models. The most common tips you will use in electronics projects are the taper tip and the bevel tip.
Conical tip – Used in precision electronic soldering due to its fine tip. Thanks to its pointed end, it is able to provide heat to smaller areas without affecting their surroundings.
Chisel Tip - This tip is well suited for soldering wires or other larger components due to its wide flat tip.
SMD (Surface Mount Device) or SMT (Surface Mount Technology) components are increasingly used in industry. Knowing how to weld on a printed circuit board (PCB) is essential to make functional circuits using the latest technologies. In this video, I give you the tips you need to know to properly solder small components such as resistors and integrated circuits. I also show you how to correct problematic solders (tin bridge) with desoldering braid.
Welding Tutorial
Soldering properly is a fundamental skill that every maker must master. In this soldering tutorial, you will find the basics of soldering irons, soldering stations, types of soldering, desoldering, and safety tips. Whether you're building a robot or working with Arduino, knowing how to solder will come in very handy.
What is welding?
If you take apart an electronic device that contains a circuit board, you will see that the components are attached using solders. Soldering is the process of joining two or more electronic parts, achieved by melting solder around the connection. Solder is a metal alloy and when it cools, it creates a strong, electrically conductive bond between the parts. If the solder can create a permanent connection, it can also be removed using a desoldering tool as described below.
Used tools
The good news when you decide to learn to solder is that you don't need a lot of materials to get started. Below are the basic tools and materials you will need for most of your projects that require soldering.
Soldering iron
A soldering iron is a hand tool that plugs into a 220v AC outlet and heats up to melt solder on electrical connections. There are also models connecting to a USB port but they only have 8 watts of power, which is sometimes insufficient.
It is one of the most important tools used for soldering and there are several variations of it which can be shaped like a pen or a gun. For beginners, it is recommended to use a 15W to 30W soldering iron. Most soldering irons have interchangeable tips (also called “tips”) that can be used depending on the type of soldering you are doing. Be very careful when using any type of soldering iron as some can heat up to over 400°C which is extremely hot.
soldering station
A soldering station is a more advanced version of the basic self-contained soldering pen we just covered. If you plan to do a lot of soldering, this is it because these devices offer more flexibility and control of operations.
The main advantage of a soldering station is the ability to precisely adjust the temperature of the soldering iron, which is ideal for a wide variety of projects.
These stations can also create a safer workspace as some include advanced temperature sensors, alert settings, and even password protection for security.
soldering iron tips
At the end of most soldering irons there is an interchangeable part known as the soldering iron tip. There are many tip designs that come in a wide variety of shapes and sizes. Each breakdown model is used in a specific situation and it offers advantages over the other models. The most common tips you will use in electronics projects are the taper tip and the bevel tip.
Conical tip – Used in precision electronic soldering due to its fine tip. Thanks to its pointed end, it is able to provide heat to smaller areas without affecting their surroundings.
Chisel Tip - This tip is well suited for soldering wires or other larger components due to its wide flat tip.
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