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Piezo vs Mechanical Switches: What’s the Difference?
Switches are the building blocks of nearly all electronic devices. Consisting of conductive paths, they are designed to control a circuit. Switches can open or close a circuit. An open circuit, of course, means that electricity can't flow all the way through it. There...
How to Choose Touchscreen Gloves
Do you own a capacitive touchscreen? Capacitive touchscreens are undoubtedly popular. When compared to resistive touchscreens, they are more responsive, longer-lasting and produce higher-quality images. Unfortunately, they don't support the use of regular gloves....
Why LCDs Have Two Polarized Layers
Liquid-crystal displays (LCDs) contain many different layers. They feature a pixel layer, for instance, that contains the liquid pixels. They also feature a backlighting layer that's responsible for illuminating the liquid pixels. LCDs, however, also feature two...
The Beginner’s Guide to Mutual Capacitive Touchscreens
Capacitive touchscreens are all around us. You can find them in smartphones, tablets, smart refrigerators, point-of-sale (POS) systems, human machine interfaces (HMIs), smartwatches and more. While there are other types of touchscreens available, none are more popular...
Island-Style vs Membrane Keyboard: What’s the Difference?
If you're planning to buy a new keyboard in the near future, you might be wondering whether to choose an island-style or membrane keyboard. All keyboards consist of rows of buttons. Each button is essentially a switch that controls an underlying circuit. Keyboards,...
Pros and Cons of TFT Liquid-Crystal Displays (LCDs)
Not all liquid-crystal displays (LCD) use the same technology to produce images. By definition, LCDs are simply display devices that feature liquid pixels. Some of them, however, use different technologies, such as thin-film transistor (TFT). TFT is a common type of...
Electroluminescent (EL) vs Light-Emitting Diode (LED) Backlighting
Backlighting is a common component of many touchscreens, switches, keypads, human machine interfaces (HMIs) and other devices. As the name suggests, it's a lighting solution that's installed or embedded in the back of a given device. While there are types of...
Technology tips worth knowing
5 Key Differences Between Resistive and Capacitive Touchscreens
The vast majority of touchscreen devices today use either resistive or capacitive technology. We've discussed them before on our blog, but in case you missed it resistive touchscreens identify the origin of touch by pressing two layers together, whereas capacitive...
Common Types of LED Backlighting Solutions for LCD Displays
Contrary to what many people believe, liquid crystal displays (LCDs) don't produce light themselves. Instead, they "propagate" light that's produced from a different source -- a backlight. The backlight found in an LCD display is used to illuminate the liquid...
How Laser Etching is Performed on Silicone-Rubber Keypads
When researching the different techniques and technologies used in the production of silicone-rubber keypads, you may come across something called "laser etching." So, what are laser-etched keypads and are they the right choice for your application? Laser etching...
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