The platform works with a voltage from 6 to 20 volts. Possibility of direct connection, from an external power supply or via USB.The RAM is 2.5 KB, and the clock frequency is 16 MHz.įeatures of the Arduino Leonardo board (some of them are common to all ATMega microcontroller-based devices): The embedded flash-memory has a capacity of 32 KB, four of which are dedicated to the loader. To the usual analog pins A0-A5, here are added more pins 4,6,8, 9,10, 12 connected to the ADC. The number of digital inputs and outputs is 20, and the analog inputs are 12. The board’s power supply is standard for Arduino, with a recommended voltage of 7-12 volts.
You can find two dozen inputs and outputs, a micro-USB connector, a reset button as well as ICSP connectors, and power input. The board itself looks pretty much like Uno. We can’t say that this board can replace Uno, but it can become the basis for new, very interesting, and unusual projects with its unique features.Īt the core of Leonardo is a quite advanced ATmega32u4 microcontroller. It is treated by the computer as a standard HID device and can directly send the desired control signals. The Arduino Leonardo board greatly expands the possibilities for connecting Arduino to the computer.
ARDUINO NANO PINOUT ICSP INSTALL
For example, the cursor – you have to install an application on the computer itself, which will interpret the codes from the serial port and set the cursor in the right place. You can’t just connect a regular joystick through the Arduino Uno to the computer and control it. The Arduino platform allows you to create a wide variety of autonomous devices, but when you connect traditional boards Uno, Nano, Mega, it was impossible to make them work as usual peripherals – for example, mice or keyboards. 4 Comparison with Arduino Uno, Nano, Mega Description of the Arduino Leonardo Board
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