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If you do know however
Efficiency:96%（max)
On-chip Debugging support and programming
and built-in ADC and PWM
digital for threshold alarm
Arduino Uno R3 Variants:Arduino Uno B Quality If you do know howeverArduino Uno R3 ATmega328P Development Board The Arduino Uno R3 is the most popular Arduino board, based on the ATmega328P microcontroller. It is the ideal starting point for beginners and a reliable platform for experienced makers, featuring 14 digital I O pins, 6 analog inputs, and USB connectivity. Key Specifications Microcontroller: ATmega328P @ 16MHz Flash: 32KB SRAM: 2KB EEPROM: 1KB 14 digital I O pins (6 PWM) 6 analog input pins (10 bit ADC)
