Mega 2560 Rev3 | Arduino Documentation
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 UARTs …
Powering Alternatives for Arduino Boards
Apr 16, 2024 · The voltage line from the barrel jack connector is regulated in Arduino boards using their onboard voltage regulator; usually, it is first regulated to 5V and then regulated …
Mega 2560 Rev3 is a successor board of Arduino Mega, it is dedicated to applications and projects that require large number of input output pins and the use cases which need high …
analogRead() | Arduino Documentation
May 9, 2025 · Description Reads the value from a specified analog input pin. An Arduino UNO, for example, contains a multichannel, 10-bit analog to digital converter (ADC). This means that it …
Read Analog Voltage | Arduino Documentation
Oct 2, 2024 · This voltage is the analog voltage that you're reading as an input. The microcontroller of the board has a circuit inside called an analog-to-digital converter or ADC …
analogReference() | Arduino Documentation
May 9, 2025 · INTERNAL: a built-in reference, equal to 1.1 volts on the ATmega168 or ATmega328P and 2.56 volts on the ATmega32U4 and ATmega8 (not available on the Arduino …
Arduino Mega ADK Rev3
Mar 14, 2024 · Each of the 50 digital pins on the MEGA ADK can be used as an input or output, using pinMode (), digitalWrite (), and digitalRead () functions. They operate at 5 volts.
Analog Input Pins | Arduino Documentation
Jan 25, 2022 · The ATmega controllers used for the Arduino contain an onboard 6 channel (8 channels on the Mini and Nano, 16 on the Mega) analog-to-digital (A/D) converter. The …
Digital Pins | Arduino Documentation
Oct 10, 2025 · Arduino (Atmega) pins default to inputs, so they don't need to be explicitly declared as inputs with pinMode () when you're using them as inputs. Pins configured this way are said …
INPUT | INPUT_PULLUP | OUTPUT | Arduino Documentation
May 15, 2024 · Browse through hundreds of tutorials, datasheets, guides and other technical documentation to get started with Arduino products.