54 or 64 digital pins - Microcontrollers - Arduino Mega
Sep 23, 2021 · " The Arduino Mega 2560 is a microcontroller board based on the ATmega2560. It has 54 digital input/output pins (of which 15 can be used as PWM outputs), 16 analog inputs, 4 …
SPI pins on Arduino Mega
SurferTim July 19, 2016, 11:58am 3. Yes. The ICSP SPI pins are connected directly to D50-D52. D53 is the hardware slave select. It controls whether the SPI bus is a master or slave. You can …
mega 2560 correct interrupt pin identification - Arduino Forum
Jul 6, 2014 · External Interrupts: 2 (interrupt 0), 3 (interrupt 1), 18 (interrupt 5), 19 (interrupt 4), 20 (interrupt 3), and 21 (interrupt 2)." "interrupts 0 and 1 are on digital pins 43 and 44." These …
What pins to use for I2C bus with AVR Mega2560 - Arduino Forum
May 14, 2012 · What pins to use for I2C bus with AVR Mega2560. Using ArduinoProgramming Questions. LMI1 May 14, 2012, 3:17pm 1. Documentation seems to say that I2C bus uses …
Arduino Mega interrupts - Programming Questions - Arduino Forum
Nov 7, 2018 · Using Arduino Programming Questions. Astrofrankie November 7, 2018, 2:23pm 1. The Arduino reference for attachInterrupt command gives this chart for interrupts and pins on …
Arduino Mega 2560 PWM Pins
Feb 18, 2012 · system January 6, 2013, 6:39pm 9. (Updated because of Google search result priority) The above is partly wrong. There are three pins in the right-hand (Digital) block of pins …
Arduino Mega, PCINT, - Programming Questions - Arduino Forum
Oct 5, 2019 · Using Arduino Programming Questions. Michael_L October 5, 2019, 10:58am 1. I hope that is the right forum. On my other project I am using Nano, LCD connected via i2c, …
Arduino Mega 2560 R3 SDA/SCL pins
Dec 20, 2014 · The pins 20 and 21 which are input hardware interrupts to Int2 and Int3 pins, also is used for the I2C interface (SDA and SCL signals respectively). This will cause a behavior …
arduino mega: use analog pins as digital?
system August 11, 2009, 5:58pm 18. ok, using Alexander Brevig's button and LED hardware abstraction layer libraries I was able to get all 16 analog pins on the arduino mega to function …
Arduino MEGA Multiple SCL and SDA pins needed
Jan 21, 2023 · Arduino MEGA Multiple SCL and SDA pins needed. Hello! I got both a general I2C LCD for Arduino and a DS3231 clock module. As far as I found, both wiring schematics go to …