Tech Specifications: Microcontroller : ATmega328 Operating Voltage : 5V Input Voltage (recommended) : 7-12V Input Voltage (limits) : 6-20V 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 : 50 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 Package list includes: 1x Uno R3 board 1x USB Cable
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