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Arduino UNO is a microcontroller board based on the ATmega328P. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz ceramic resonator, a USB connection, a power jack, an ICSP header and a reset button.

24 RESET(PC1/DW) (PCINT5)PB5 19 (T1/PCINT4)PB4 18 (PD0/MISO/PCINT3)PB3 17 2 XTAL2(PC0) (PDI/MOSI/PCINT2)PB2 16 (SCLK/PCINT1)PB1 15

USB-B_TH 4 3 2 1 X2 XUSB F1 USBVCC MF-MSMF050-2 500mA D-D+

Arduino uno pinout, 14 digital pins as input and output, PWM, SDA/SCL pins Atmega328 chip with schematic. How pin works? Pin functions comparison.

In Arduino From Scratch Part 13, we release the full Arduino UNO R3 Schematic and BOM, complete with all details, descriptions and part numbers.

The Arduino Uno is really a microcontroller board based on the ATmega328. It has 14 digital input/output pins (of which 6 may be employed as PWM outputs), 6 analog inputs, a 16 MHz crystal oscillator, a USB connection, a power jack, an ICSP header, along with a reset button.

Download Arduino Uno R3 Schematic PDF and learn how to understand the circuit diagram of Arduino Uno R3 for DIY projects and troubleshooting.

In this article, we will dive into the details of the Arduino Uno Rev3 schematic, exploring its key components and providing insights into how they work together to make the board a versatile and powerful tool for electronics enthusiasts.

Arduino Uno Schematic PDF can be used for understanding the circuitry of the Arduino Uno board, troubleshooting electronic projects, designing custom Arduino shields, and creating …