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46+ Arduino Uno R1 Schematic Images. It has 14 digital input/output pins (of which 6 can be used as pwm outputs), 6 analog inputs, a 16 mhz ceramic resonator, a usb connection, a power jack, an icsp header, and a reset button. The arduino uno is a microcontroller board based on the atmega328 (datasheet).
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The arduino uno is a microcontroller board based on the atmega328 (datasheet). I advise you to download it and open the pcb and arduino uno r3 mcu part. Complete kicad arduino uno r3 schematic and bom.
It is based on the microcontroller atmega328.
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