12/7/2023 0 Comments Arduino 2560![]() IOREF – This pin on the Arduino/Genuino board provides the voltage reference with which the microcontroller operates.The maximum current draw from this pin is 50 mA. 3V3 – This pin outputs a regulated 3.3 volt supply generated by the onboard regulator.Supplying voltage via the 5V or 3.3V pins bypasses the regulator, and can damage your board. 5V – This pin outputs a regulated 5V from the regulator on the board.Vin – The input voltage to the Arduino/Genuino board when it’s using an external power source.So the value of current is much smaller as compared to the voltage. ![]() The pins measure the voltage not current because it has a very high value of internal resistance. Analog Input Pins are used to take the signal from analog sensors and convert it into a digital value. The 16 Analog Input Pins are numbered from Pin A0 to Pin A15. ![]() Analog Input Pins – Arduino MEGA board has 16 Analog Input Pins.Digital I/O Pins are used to take Digital Input or provide Digital Output in Arduino MEGA Board. In which 15 of them are PWM (Pulse-Width Modulation) Digital I/O Pins. PWM pins are used to simulate analog output. The 54 Digital I/O Pins are numbered from Pin 0 to Pin 53. Digital I/O Pins – Arduino MEGA board has 54 Digital I/O Pins.It is a bridge between Computer’s USB Port and the main processor’s serial port. USB Interface Chip – Arduino has Atmel ATmega16U2 as a USB interface chip.Recommended input power Voltage is 7-12V. 2.1mm center-positive plug is used to power the Arduino Board. Power Port – The Arduino can be powered using AC to DC adapter or battery.Learn uploading program to Arduino board. The first one is to load the Mega 2560 user program to Arduino using Arduino IDE and another one is to power Arduino Board. USB Connector – USB connector is used for two purposes in Arduino.It has 256KB programmable flash memory(in which 8KB used by bootloader), 8KB SRAM, 4KB EEPROM (Electrically Erasable Programmable Read-Only Memory). Micro-controller ( ATmega2560) – Micro-controller ATmega2560(a single chip micro-controller) created by Amtel is used in Arduino Mega.
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