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  2. Arduino Uno - Wikipedia

    en.wikipedia.org/wiki/Arduino_UNO

    The Arduino Uno is a series of open-source microcontroller board based on a diverse range of microcontrollers (MCU). It was initially developed and released by Arduino company 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 ...

  3. Comparison of single-board microcontrollers - Wikipedia

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

    BBFuino come with the ATmega328 controller, loaded with Optiboot (Arduino UNO's bootloader), compatible with Arduino IDE and sample code, design to fit breadboard for prototyping and learning, lower down the cost by taking out the USB to UART IC, so the board has the basic component to operate.

  4. List of Arduino boards and compatible systems - Wikipedia

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

    1" x 1.1" small, stackable, low-cost Arduino-compatible board with a uniformed U-shape 27-pin standard interface. Versalino Uno [229] ATmega328P Virtuabotix Versalino Uno 1.1 Compact board with pins in two similar layouts "Bus A" and "Bus B". 6 volt input 3.5 mm plug power. Programmed with FTDI. LeoStick [230] ATmega32U4 Freetronics

  5. Pulse-width modulation - Wikipedia

    en.wikipedia.org/wiki/Pulse-width_modulation

    Pulse-width modulation (PWM), also known as pulse-duration modulation (PDM) or pulse-length modulation (PLM), [1] is any method of representing a signal as a rectangular wave with a varying duty cycle (and for some methods also a varying period). PWM is useful for controlling the average power or amplitude delivered by an

  6. General-purpose input/output - Wikipedia

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

    For example, Schmitt-trigger inputs, high-current output drivers, optical isolators, or combinations of these, may be used to buffer and condition the GPIO signals and to protect board circuitry. Also, higher-level functions are sometimes implemented, such as input debounce, input signal edge detection, and pulse-width modulation (PWM) output.

  7. 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.

  8. Microcontroller - Wikipedia

    en.wikipedia.org/wiki/Microcontroller

    Even if the cost of a CPU that has integrated peripherals is slightly more than the cost of a CPU and external peripherals, having fewer chips typically allows a smaller and cheaper circuit board, and reduces the labor required to assemble and test the circuit board, in addition to tending to decrease the defect rate for the finished assembly.

  9. Power management integrated circuit - Wikipedia

    en.wikipedia.org/wiki/Power_management...

    Many electrical devices use multiple internal voltages (e.g., 5 V, 3.3 V, 1.8 V, etc.) and sources of external power (e.g., wall outlet, battery, etc.), meaning that the power design of the device has multiple requirements for operation. A PMIC can refer to any chip that is an individual power related function, but generally refer to ICs that ...