Description

Arduino Uno R3 microcontroller ATmega 328 with IDE for all electronics projects

Arduino is a microcontroller and it is based on an open-source electronics prototype. It is easy to use the Arduino IDE. It consists of both physical programmable circuit board and a piece of software. In Arduino, we use simple C++ programming. It is one of the more popular boards. It is best for beginners

Arduino uno r3 5V 16Mhz Atmega328 microcontroller

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Microcontroller?ATmega328
Operating Voltage 5V
Input Voltage (recommended) 7-12V
Input Voltage (limits) 6-20V

Arduino uno r3 nano mega and more ATmega family

Digital I/O Pins 14 (of which 6 provide PWM output)
Analog Input Pins 6
DC Current per I/O Pin 40 mA
DC Current for 3.3V Pin 150 mA
Flash Memory 32 KB (ATmega328) of which 0.5 KB used by bootloader SRAM
2 KB (ATmega328) EEPROM
1 KB (ATmega328)
Clock Speed 16 MHz