Saturday, January 28, 2023

Advanced HTML tags

 There are several advanced HTML tags that are not as commonly used as the basic tags, but can be very useful in certain situations. Some examples include:

  1. <figure> and <figcaption>: These tags are used to create a figure with a caption. The figure element can contain images, videos, or other multimedia, and the figcaption element can be used to provide a caption for the figure.

  2. <time>: This tag is used to indicate a specific date or time in the HTML document. It can be used in conjunction with the datetime attribute to specify the date and time in machine-readable format.

  3. <mark>: The <mark> tag is used to highlight text, making it stand out on the page. It is often used to indicate search keywords or other important information.

  4. <details> and <summary> : These tags are used to create a widget that the user can open and close. The <summary> tag defines a visible summary or legend for the details that the user can see, and the <details> tag contains the additional information that the user can reveal or hide.

  5. <figure> : Is a tag that is used to group multimedia content like image and video.

  6. <canvas> : Is a tag that is used to draw graphics, on the fly, via scripting (usually JavaScript).

  7. <audio> and <video> : These tags are used to embed audio and video in HTML5.

  8. <source> : This tag is used along with <audio> and <video> to specify the sources for the audio and video files.

  9. <progress> : This tag is used to indicate the completion progress of a task.

  10. <template> : This tag is used to create a container for HTML that is not rendered when the page is loaded, but can be activated later by JavaScript.

It's worth noting that many of these tags are only supported in the latest versions of web browsers, so it's important to check for browser compatibility before using them in your projects.

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list of common HTML tags:

 The following is a list of common HTML tags:

  1. <html>
  2. <head>
  3. <title>
  4. <body>
  5. <h1> - <h6> (headings)
  6. <p> (paragraph)
  7. <a> (anchor)
  8. <img> (image)
  9. <div> (division)
  10. <span>
  11. <ul> (unordered list)
  12. <ol> (ordered list)
  13. <li> (list item)
  14. <header>
  15. <nav>
  16. <main>
  17. <section>
  18. <article>
  19. <aside>
  20. <footer>
  21. <form>
  22. <input>
  23. <label>
  24. <select>
  25. <option>
  26. <textarea>
  27. <button>
  28. <table>
  29. <tr> (table row)
  30. <th> (table header)
  31. <td> (table data)
  32. <style>
  33. <link>
  34. <meta>
  35. <script>
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Friday, January 20, 2023

What is ir sensor





What is ir sensor
An IR sensor (Infrared sensor) is a device that detects and measures infrared radiation. Infrared radiation is a type of electromagnetic radiation with a wavelength that is longer than visible light but shorter than microwave radiation. IR sensors can detect a wide range of temperatures and are commonly used in a variety of applications such as temperature measurement, motion detection, and proximity sensing.

One of the most common types of IR sensors is the pyroelectric sensor, which is used in motion detectors. It consists of a crystal that generates an electrical charge when exposed to infrared radiation. When an object moves within the sensor's range, it changes the amount of infrared radiation that the sensor detects, which in turn causes the sensor to generate a different electrical charge.

Other types of IR sensors include thermopile sensors, which are used to measure temperature, and IR proximity sensors, which are used to detect the presence of an object. IR sensors are widely used in various applications such as home appliances, industrial automation, automotive, and security systems.

type of ir sensor

There are several types of IR sensors, each with its own unique characteristics and applications. Some common types of IR sensors include:

  1. Pyroelectric sensors: These sensors are commonly used in motion detectors. They consist of a crystal that generates an electrical charge when exposed to infrared radiation. When an object moves within the sensor's range, it changes the amount of infrared radiation that the sensor detects, which in turn causes the sensor to generate a different electrical charge.

  2. Thermopile sensors: These sensors are used to measure temperature. They consist of a number of thermocouples connected in series, which generate a voltage when exposed to infrared radiation. The magnitude of the voltage is proportional to the temperature of the object being measured.

  3. IR proximity sensors: These sensors are used to detect the presence of an object. They emit infrared radiation and detect the radiation that is reflected back. The sensor generates an output signal when an object is within a certain distance of the sensor.

  4. Reflective IR sensors: These sensors are used to detect the presence or absence of an object by sending an infrared beam and detecting the reflection. They are commonly used in industrial automation and robotic applications.

  5. IR imaging sensors: These sensors capture images using infrared radiation. They are used in thermal imaging cameras and can detect temperature variations and thermal signatures of objects.

  6. IR remote control sensors: These sensors are used in devices such as TVs, music players, and air conditioners. They receive signals from IR remote control and convert them into electrical signals.

These are some examples, but there are many other types of IR sensors available, each with its own unique features and capabilities.



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What is Infrared (IR) radiations.

 Infrared (IR) radiation is a type of electromagnetic radiation with longer wavelengths than those of visible light. It has a range of wavelengths from about 750 nanometers (nm) to 1 millimeter, and it is invisible to the human eye. Infrared radiation is often referred to as "heat radiation" because it is the part of the electromagnetic spectrum that is responsible for the sensation of heat.

There are three main types of infrared radiation:

  • Near-infrared (NIR) has wavelengths between 750 nm and 1400 nm and is used in fiber-optic communication and some medical treatments.
  • Mid-infrared (MIR) has wavelengths between 1400 nm and 3000 nm and is used in spectroscopy and sensing applications such as temperature measurement, gas detection, and chemical analysis.
  • Far-infrared (FIR) has wavelengths between 3 micrometers (µm) and 1 mm and is used in thermal imaging and heating applications.

Infrared radiation is emitted by all objects with a temperature above absolute zero, and it can be used to detect and measure the temperature of objects at a distance. Infrared radiation is also used in remote controls, night vision equipment, and thermal imaging cameras. In addition, it is also used in medicine to treat certain conditions such as pain relief and wound healing.

Infrared radiation is generally safe, but prolonged exposure to high levels of infrared radiation can cause skin and eye damage. This is why it is used cautiously in some applications such as industrial heating, and IR saunas.

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Friday, November 25, 2022

Check Sims on CNIC

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Monday, June 13, 2022

SkinFiner Free Download

 







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Skinfiner PhotoShop Plug-in

 

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