Arduino Uno
Arduino Uno is a
microcontroller board based on the ATmega328P. It has 14 digital
input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a
16 MHz quartz crystal, a USB connection, a power jack, an ICSP header and a
reset button. It contains everything needed to support the microcontroller;
simply connect it to a computer with a USB cable or power it with a AC-to-DC
adapter or battery to get started. You can tinker with your UNO without worrying
too much about doing something wrong, worst case scenario you can replace the
chip for a few dollars and start over again. (downlaod)
Feature
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
Download Schematic
Click on link bellow:
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