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  2. Hitachi HD44780 LCD controller - Wikipedia

    en.wikipedia.org/wiki/Hitachi_HD44780_LCD_controller

    The same command is sent three times, Function Set with 8-bit interface D7–D4 = binary 0011, the lower four bits are "don't care", using single enable pulses. If the controller is in 4-bit mode, the lower four bits are ignored so they cannot be sent until the interface is in a known size configuration. Starting in state 1 (8-bit configuration):

  3. List of Arduino boards and compatible systems - Wikipedia

    en.wikipedia.org/wiki/List_of_Arduino_boards_and...

    Arduino USB v2.0 Changed: USB replaces RS-232 interface, Improved: Arduino can be powered from host Arduino Extreme [1] ATmega8 [52] 16 MHz Arduino 81.3 mm × 53.3 mm [ 3.2 in × 2.1 in ] USB The Arduino Extreme uses many more surface mount components than previous USB Arduino boards and comes with female pin headers. [1]

  4. Arduino Uno - Wikipedia

    en.wikipedia.org/wiki/Arduino_UNO

    The Arduino Uno is an open-source microcontroller board based on the Microchip ATmega328P microcontroller (MCU) and developed by Arduino.cc and initially released in 2010. [2] [3] The microcontroller board is equipped with sets of digital and analog input/output (I/O) pins that may be interfaced to various expansion boards (shields) and other circuits. [1]

  5. Comparison of single-board microcontrollers - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_single-board...

    Arduino USB v2.0 Changed: USB replaces RS-232 interface, Improved: Arduino can be powered from host Arduino Extreme [45] Arduino Yes ATmega8 [44] 16 MHz Arduino 3.2 in × 2.1 in [ 81.3 mm × 53.3 mm ] USB The Arduino Extreme uses many more surface mount components than previous USB Arduino boards and comes with female pin headers. [45]

  6. Arduino - Wikipedia

    en.wikipedia.org/wiki/Arduino

    Arduino (/ ɑː r ˈ d w iː n oʊ /) is an Italian open-source hardware and software company, project, and user community that designs and manufactures single-board microcontrollers and microcontroller kits for building digital devices.

  7. The 50 best Christmas gifts for everyone on your list this year

    www.aol.com/lifestyle/50-best-christmas-gifts-of...

    While some people dread gift shopping, I thrive when it comes time to shop for the different people on my list. I love Christmas gift shopping, whether I’m trying to find a gift for my mother-in ...

  8. File:16x2 LCD Arduino LM35 temperature sensor.svg - Wikipedia

    en.wikipedia.org/wiki/File:16x2_LCD_Arduino_LM35...

    You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.

  9. General-purpose input/output - Wikipedia

    en.wikipedia.org/wiki/General-purpose_input/output

    A GPIO pin's state may be exposed to the software developer through one of a number of different interfaces, such as a memory-mapped I/O peripheral, or through dedicated IO port instructions. Some GPIOs have 5 V tolerant inputs: even when the device has a low supply voltage (such as 2 V), the device can accept 5 V without damage.