Antenna Handbook

This iOS 17 setting lets you take 48MP photos on your iPhone 15 — how to enable it

 To enable 48MP photos on your iPhone 15 with iOS 17, follow these steps:

  1. Open the Settings app.
  2. Tap on Camera.
  3. Tap on Formats.
  4. Under Photo Capture, turn on the toggle next to Apple ProRAW.
  5. Make sure the ProRAW Resolution setting that appears is set to 48MP.

Once you have enabled these settings, you can take 48MP photos by opening the Camera app and tapping on the ProRAW button. This button is located in the top-left corner of the screen, next to the flash button.

To take a 48MP photo, simply tap on the shutter button. The photo will be saved to your Photos app, where you can view and edit it.

Additional notes:

  • 48MP photos are much larger than standard 12MP photos. As a result, they will take up more storage space on your iPhone.
  • You may want to consider using a cloud storage service such as iCloud or Google Photos to store your 48MP photos.
  • It is recommended to use a tripod or other stabilizing device to prevent camera shake when taking 48MP photos.
  • Make sure that your subject is well-lit.
  • Use a faster shutter speed to capture moving subjects.
  • Experiment with different ISO settings to find the best balance between noise and detail.
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arm cortex board reviews and price

Here are some of the most popular and highly regarded Arm Cortex boards, with their reviews and prices:

Arduino Nano 33 IoT

  • Processor: Arm Cortex-M0+
  • Memory: 32KB Flash, 8KB RAM
  • Peripherals: GPIO, I2C, SPI, UART, ADC, DAC, USB-C
  • Price: Around $10

Review: The Arduino Nano 33 IoT is a great choice for beginners and hobbyists. It is small, inexpensive, and easy to use. It is also a good choice for prototyping and small-scale projects.

STM32F401RE Nucleo-64

STM32F401RE Nucleo-64Opens in a new windowwww.st.com

  • Processor: Arm Cortex-M4
  • Memory: 512KB Flash, 64KB RAM
  • Peripherals: GPIO, I2C, SPI, UART, ADC, DAC, USB-OTG
  • Price: Around $15

Review: The STM32F401RE Nucleo-64 is a good choice for more demanding projects. It is also a good choice for learning about Arm Cortex processors and embedded systems.

BeagleBone Black

  • Processor: Arm Cortex-A8
  • Memory: 512MB DDR3 RAM
  • Peripherals: GPIO, I2C, SPI, UART, ADC, DAC, USB-OTG, HDMI, Ethernet
  • Price: Around $50

Review: The BeagleBone Black is a good choice for more powerful projects. It is also a good choice for running Linux and other operating systems.

Other Arm Cortex boards

There are many other Arm Cortex boards available on the market, such as:

  • Raspberry Pi: The Raspberry Pi is a single-board computer that is based on the Arm Cortex-A7 processor. It is a popular choice for makers and hobbyists.
  • NVIDIA Jetson Nano: The NVIDIA Jetson Nano is an edge AI platform that is based on the Arm Cortex-A57 processor. It is a popular choice for developing and deploying AI applications on the edge.
  • NXP i.MX 8M Mini: The NXP i.MX 8M Mini is a crossover microcontroller that is based on the Arm Cortex-M4F processor. It is a good choice for applications that require both real-time performance and embedded Linux capabilities.

Conclusion

Arm Cortex boards are powerful and versatile tools. They can be used to create a wide variety of projects, from simple embedded systems to powerful AI applications. When choosing an Arm Cortex board, it is important to consider your specific needs and requirements.

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What is an Antenna ?

 An antenna is a device that transmits and receives electromagnetic waves. Electromagnetic waves are a form of energy that travels through space at the speed of light. They include radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays, and gamma rays.

Antennas are used in a wide variety of applications, including:

  • Radio and television broadcasting
  • Cellular and mobile communications
  • Satellite communications
  • Radar
  • GPS
  • Wi-Fi
  • Bluetooth
  • RFID
  • Wireless security systems
  • Microwave ovens

Antennas come in many different shapes and sizes, depending on their application. Some common types of antennas include:

  • Dipole antennas: These are the simplest type of antenna, consisting of a straight wire or rod. Dipole antennas are omnidirectional, meaning they radiate and receive signals in all directions.
  • Yagi antennas: These antennas are made up of a dipole antenna plus one or more reflectors and directors. Yagi antennas are directional, meaning they radiate and receive signals in a specific direction.
  • Dish antennas: These antennas are parabolic in shape and are used to focus signals in a narrow beam. Dish antennas are often used for satellite communications and radar.
  • Omnidirectional antennas: These antennas radiate and receive signals in all directions. They are often used for indoor applications, such as Wi-Fi and Bluetooth.

Antennas work by converting electrical signals into electromagnetic waves and vice versa. When an electrical current is applied to an antenna, it creates an electromagnetic field. This field travels through space in the form of radio waves. When an electromagnetic wave hits an antenna, it induces an electrical current in the antenna. This current can then be amplified and processed by a receiver.

The design of an antenna determines its frequency range, directivity, and gain. The frequency range is the range of frequencies that the antenna can transmit and receive efficiently. The directivity is the direction in which the antenna radiates and receives signals. The gain is the measure of how well the antenna amplifies signals.

Antennas are an essential part of many modern technologies. They allow us to communicate with each other, access information, and navigate the world around us.

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How to Troubleshooting Antenna TV Reception ?

 To troubleshoot antenna TV reception, you can follow these steps:

  1. Check your connections. Make sure that the coaxial cable is securely connected to both the antenna and the TV. You may also want to try using a different coaxial cable, just in case the current one is damaged.
    Checking the connections of an antenna TVTerbuka di jendela baruwww.lifewire.com
  2. Check your antenna's placement. Make sure that the antenna is in a high location, away from obstructions such as trees, buildings, and power lines. If possible, try to point the antenna directly at the TV broadcast towers. You can use an online TV antenna locator to find out where your local broadcast towers are located.
    Checking the placement of an antenna TVTerbuka di jendela baruwww.antennasdirect.com
  3. Use an antenna amplifier. If you live in a weak signal area, using an antenna amplifier can help to boost the signal.
  4. Scan for channels. Once you have made sure that your connections are secure and your antenna is in a good location, scan for channels on your TV. This will help to identify any channels that are available in your area.
    Scanning for channels on a TVTerbuka di jendela baruwww.samsung.com
  5. Try a different antenna. If you are still having trouble getting good reception, you may want to try using a different antenna. There are many different types of antennas available, so you may need to experiment a bit to find one that works best for your location.

Here are some additional tips:

  • If you are using an amplified antenna, make sure that the amplifier is turned on and properly grounded.
  • If you are still having trouble getting good reception, try using a coaxial cable extender to connect the antenna to your TV.
  • If you are using a split-and-tap connector to split the signal from your antenna to multiple TVs, make sure that the connector is rated for the number of TVs that you are connecting.
  • If your antenna is outdoors, make sure that it is properly protected from the elements.

If you have tried all of the above and are still having trouble getting good reception, you may want to contact a professional antenna installer for assistance.

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The Best Transmitter Locator Antenna App

 


The best transmitter locator antenna app is the one that works best for your specific needs and location. However, here are a few of the most popular and highly-rated options:

  • Antenna Point (Android and iOS): This app uses your phone's GPS and compass to identify nearby TV transmitter towers. It also provides information about the distance to each tower, the azimuth, and the elevation.
  • TV Signal Finder (Android and iOS): This app is similar to Antenna Point, but it also provides additional information, such as the channel numbers and frequencies of the transmitters.
  • TV Fool (web): This website provides a detailed map of TV transmitter towers in the United States. It also allows you to enter your specific location to generate a custom report that shows the channels that you are likely to receive.

To use a transmitter locator antenna app, simply open the app and allow it to access your phone's GPS and compass. The app will then display a map of nearby TV transmitter towers. You can then zoom in and out of the map, and tap on the towers to get more information about them.

Once you have found a tower that you want to point your antenna towards, you can use the app's compass to align your antenna in the correct direction.

Here are some tips for using a transmitter locator antenna app:

  • Make sure that you have a good GPS signal. This will help the app to accurately locate your position.
  • Calibrate your phone's compass. This will help the app to provide accurate compass readings.
  • Use the app to find a tower that is in the line of sight of your antenna. If there are any obstacles between your antenna and the tower, this will reduce the signal strength.
  • Use the app to align your antenna in the correct direction. The app should provide you with an azimuth reading, which is the angle that you need to point your antenna in.
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