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  2. Hitachi HD44780 LCD controller - Wikipedia

    en.wikipedia.org/wiki/Hitachi_HD44780_LCD_controller

    The data sheet indicates that for a resistor of 91 kΩ at V CC =5 V the oscillator can vary between 190 kHz and 350 kHz resulting in wait times of 52.6 μs and 28.6 μs instead of 37 μs. If a display with the recommended 91 kΩ resistor is powered from 3.3 volts the oscillator will run much slower.

  3. Liquid-crystal display - Wikipedia

    en.wikipedia.org/wiki/Liquid-crystal_display

    A liquid-crystal display (LCD) is a flat-panel display or other electronically modulated optical device that uses the light-modulating properties of liquid crystals combined with polarizers to display information.

  4. Display Data Channel - Wikipedia

    en.wikipedia.org/wiki/Display_Data_Channel

    Display Data Channel (DDC) is a collection of protocols for digital communication between a computer display and a graphics adapter that enable the display to communicate its supported display modes to the adapter and that enable the computer host to adjust monitor parameters, such as brightness and contrast.

  5. Libre Computer Project - Wikipedia

    en.wikipedia.org/wiki/Libre_Computer_Project

    40 Pin Low Speed Header (PWM, I2C, SPI, GPIO) Audio Headers (I2S, ADC, SPDIF) UART Header; NOTE: GPIO Header Pin 11 or HDMI CEC is selectable by onboard jumper. They can not be used at the same time since they share the same pad.

  6. Scientists Find This Type of Exercise Cuts Heart Disease Risk ...

    www.aol.com/scientists-type-exercise-cuts-heart...

    Short bursts of exercise throughout the day may reduce the risk of heart disease by 50%, a new study finds. Experts explain how exercise affects heart health.

  7. CNN Poll: Most Americans approve how Trump is handling his ...

    www.aol.com/cnn-poll-most-americans-approve...

    The CNN Poll was conducted by SSRS from December 5-8 among a random national sample of 1,011 adults drawn from a probability-based panel. Surveys were either conducted online or by telephone with ...

  8. Arctic tundra becoming a source of carbon dioxide emissions ...

    www.aol.com/news/arctic-tundra-becoming-source...

    The Arctic report, for example, showed Alaskan permafrost temperatures in 2024 were the second-warmest ever recorded. That causes the soil to heat up and thaw, its carbon repositories decompose ...

  9. Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Excel

    A macro is created by the user or pre-installed with Excel. Template .xlt: A pre-formatted spreadsheet created by the user or by Microsoft Excel. Module .xlv: A module is written in VBA (Visual Basic for Applications) for Microsoft Excel Library .DLL: Code written in VBA may access functions in a DLL, typically this is used to access the ...