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Wide temperature range: 0°C to +70°C (commercial)
Efficiency:96%（max)
and built-in ADC and PWM
Wearable health monitoring prototypes
Dual media support — play from TF (microSD) card or USB flash drive interchangeably
Arduino Uno R3 Variants:Arduino Uno B Quality Wide temperature range: 0°C toArduino 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)
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