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LED: There is a built-in LED driven by digital pin 13.When the pin is high value, the LED is on, when the pin is low, it is off. VIN: The input voltage to the Arduino/Genuino board when it is using an external power source (as opposed to 5 volts from the USB connection or other regulated power source).
An official Arduino Uno R2 with descriptions of the I/O locations The Arduino board exposes most of the microcontroller's I/O pins for use by other circuits. The Diecimila , [ a ] Duemilanove , [ b ] and current Uno [ c ] provide 14 digital I/O pins, six of which can produce pulse-width modulated signals, and six analog inputs, which can also ...
Arduino Mega compatible board with 16 extra I/O pins and the same a board size as the Arduino Uno. As with the Arduino Mega, most shields that were designed for the Duemilanove, Diecimila, or Uno will fit, but a few shields will not fit because of interference with the extra pins. Sippino [191] SpikenzieLabs
Arduino layout-compatible board. Based on the Arduino Duemilanove. CraftDuino [87] Manufactured and sold by RoboCraft Team. CT UNO: ATmega328P Cytron Technologies: CT-UNO features: Arduino Uno compatible. SMD ATmega328 microcontroller with Optiboot (UNO) bootloader. USB Programming Facilitated by the Ubiquitous FTDI FT231X (more stable).
GPIO interfaces vary widely. In some cases, they are simple—a group of pins that can switch as a group to either input or output. In others, each pin can be set up to accept or source different logic voltages, with configurable drive strengths and pull ups/downs. Input and output voltages are usually, but not always, limited to the supply ...
ATmega328 is commonly used in many projects and autonomous systems where a simple, low-powered, low-cost micro-controller is needed. Perhaps the most common implementation of this chip is on the popular Arduino development platform, namely the Arduino Uno, Arduino Pro Mini [4] and Arduino Nano models.
This table has a similar layout as a table in the Arduino Uno article. MCU Part# / Pins column - MCU means microcontroller. All MCU information in this table was sourced from official datasheets in this column. The pin count is useful to determine the quantity of internal MCU features that are available.
Sets the output value on pins configured as outputs. Enables or disables the pull-up resistor on pins configured as inputs. PINx: Input register, used to read an input signal. On some devices, this register can be used for pin toggling: writing a logic one to a PINx bit toggles the corresponding bit in PORTx, irrespective of the setting of the ...