Keyboard is like a type-writer but with modern set of arrangements. Basically, it is a input device which takes letters or characters from the user, process it and then shows the output on the monitor screen. It has many push-buttons referred to as keys.

At first, keyboards were only used for typing but now, they are used by gamer, for editing and for various professional works.

There are many types of keyboards available in the market like Flexible keyboard, Gaming keyboard, Wireless keyboard, Membrane keyboard, Mechanical Keyboard, Virtual Keyboard etc.

1. Membrane Keyboard :

A Membrane keyboard has membrane where each keys lies on the different parts of three layered membrane that are pressure sensitive. If you apply pressure by pressing the key in the specific area, it registers as a keystroke.

Basically, it has a circuit covered by the layer of rubber and above that we have buttons or keys which can be seen on the keyboard. When you press any button, it forces the rubber layer below it, which is further attached with the circuit. When the rubber layer presses the circuit, the circuit sends the information to CPU. Then, CPU shows the output on the screen.

The keys has to be pressed very hard so that the rubber layer can touch the circuit. For example, Maganvox Odyssey2 and Sinclair ZX80 & ZX81 computers.

Pros of Membrane Keyboards-

• Similar typing experience to mechanical keyboard

The dome switch keyboard uses rubber or silicone domes to simulate the spring structure of mechanical keyboard, which gives this type of keyboard solid physical feedbacks. Although there is difference between the typing experience of membrane keyboard and those of mechanical keyboard, with the advance of technology, the gap between them is getting smaller. 

• Relatively Quiet

While typing on any keyboard with a high speed can be loud, membrane keyboard have better reputation than mechanical keyboards when it comes to typing sound volume. Some mechanical keyboard, especially the blue switches, can be very loud, although it may not be a bad thing as some typists enjoy this sound.

• More Portable

Membrane keyboards usually are usually made of plastic, making it lighter than mechanical keyboard, which has a larger proposition of metal gears. You can easily carry a light membrane keyboard and type on your lap if you want to.

• Affordable

As membrane keyboards can be made with common materials and matured technology, a membrane keyboard will be more affordable than a mechanical keyboard that comes with the same features.

Cons of Membrane Keyboards-

• Typing Feels

The keys require more of an effort to type, when you press down on the key. Some typists found that membrane keyboards are “mushy” to type on, which affect their typing experience.

• Key Rollover

If you’re a fast typist there will be times when you’re typing that the keys will not be registered as a hit as the key wasn’t pressed down all the way. This happens to me all the time.

• Lifespan

Though having a lifespan of millions of key presses and lasts for years, the membrane keyboard can still wear out quicker than a mechanical keyboard, when they do wear out the membrane will start to feel more mushy which causes the keys to loose feedback.

• Cleaning

While you can take away keycaps of mechanical keyboards to clean the keyboard, it is harder to clean a membrane keyboard as the keycaps are usually not removable.

2. Mechanical Keyboard :

It was introduced in early 2000. A mechanical keyboard uses individual switch for each key. Once you press the key down far enough and engage the switch on the key, it registers as a keystroke.

Source: Minitool

It has a mechanism for the working. It does not have the layer of rubber like membrane keyboard. When you press the key, it has a mechanism in its side. When they both collide with each other, the circuit sends the information to CPU which further shows the output on the screen. The mechanical keyboards use switches to send typing signal. There are more than one kind of switches out there, each one performing differently. Each key has its own switch, which comes with a base, a spring and a stem. The most common switches are blue, red, brown, black etc. Some require a certain amount of force to be press, Tactile while making a clicking sound or without, and others can be easy to press. Mechanical keyboard usually provides exchangeable keycaps, which allow users to DIY their keyboard

The keys can be pressed even gently, the mechanism in it will automatically detect. For example, Corsair K95 RGB Platinum XT, SteelSeries Apex 7 TKL etc.

Pros of mechanical keyboards-

• Removable Keycaps

The key caps can be removed which allow you to customized your keyboard to match the theme of your case, your desktop or give a style’s look to your keyboard. 

• Durability

Since there isn’t a membrane inside the mechanical they take a longer time than membrane keyboards to wear out. Plus they stay the same since day one and do not change feedback. Meaning you do not have to get used to the keyboard again if the feel changes unlike membrane keyboards.

• Tactility

Typist benefit from the keys as so, when you type the letter is registered and it does not require a lot of effort to type, which is great for those who are fast typist including gamers, who need to hit one or more then quickly or often.

• Different Typing Style

With mechanical keyboard, you don’t have to press a key all the way down to the bottom to make it register, which means you can press half way and stop. This allows faster typing speed and less fatigue.

• Heavy

The weight of mechanical keyboard can be either a pro or a con, depending on how you use it. Mechanical keyboards tend to be heavy which helps by stopping the keyboard from being pushed around your desk when you type.

• Easier to Clean

As the keycaps of mechanical keyboard can be removed, you can clean a mechanical keyboard easily by removing the keycaps.

Cons of mechanical keyboards-

• More expensive

Mechanical keyboards use more expensive materials and technology, so you will need to spend more than you normally would for a membrane to get one.

• Loud

The sound volume of mechanical keyboard depends on the switches that are used, such as blues as they can be loud. So if you’re in a location with other people, they will hear you typing away, unless you have the door closed, or if you’re talking on a mic. Again, some typists don’t mind the sound and even enjoy them.

• Heavy

Weight while this is a pro for some people, this can be a con for others those who move their keyboards around while its traveling or move from different desktops.

• DIY skills may required

While mechanical keyboards can be used out of the box, it will be also fun to customize it with different keycaps and switches. However, customizing it may require some DIY skills.

Difference between Membrane Keyboard and Mechanical Keyboard :

WHICH ONE YOU SHOULD USE?

As you see both keyboards have their ups and downs, and each one meets the different needs of many users. Not one keyboard is for everyone. If you’re on an budget and doesn’t care about how the keyboard perform or using this with an laptop on the go, use with something as simple as an tablet, use with your home theater PC, or in your home office working and talking on the phone a lot with your job, traveling an lot etc., then a quiet membrane keyboard would be good enough for you, as you won’t have to worry about the size and the weight of the keyboard. Students will benefit from the flexibility of a high quality membrane keyboard, as it can be used to write assignment or game, and is much affordable.

Now if you are a heavy user who uses the keyboard all the time, typing out a story, articles, coding or even a fast typist, a mechanical keyboard would be a very good choice for you. Even gamers will benefit from using one with their gaming due to the quickness that is required at times. The weight will be handy as the last thing you want your keyboard to do is movie around on your desk as you try to frag another player with a rocket launcher, causing you to mistakenly strafe into a wall and shoot yourself in the face. There are ways to make the mechanical quieter by using O-rings if you wish to still use one in the home office, so that still an option, even outside the office.

The best thing you should is find an place that will let you try out the different keyboards and find one that fit your needs, as that’s what important, to find out what works best in your fingers. And you can also figure out which mechanical switches that you feel work best for you.

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