Manufacturer direct sales 2023 new version UNO R3 development board official version ATmega16U2

Product Parameters

micro controller: ATmega328P

Working voltage: 5V

Input voltage: DC7-12V

Digital I/O pin: 14

PWM channel: 6

Analog input channels: 6

DC output capacity of each I/O: 20mA

3.3V port output capability: 50mA

Flash:32KB(ATmega328P)， The bootloader occupies 0.5KB

SRAM:2KB(ATmega328P)

EEPROM:1KB(ATmega328P)

Clock speed: 16MHz

Product Overview

Arduino Uno is a microcontroller board based on ATmega328P. It has 14 digital input/output pins (6 of which can be used as PWM outputs), 6 analog inputs, 16MHz crystal oscillator, USB connection, power socket, ICSP head, and reset button. Simply connect it to the computer using a USB cable, or power it with a DC power source or battery to start.

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