Description
Arduino is a microcontroller Development Board with ATmega328p Microcontroller.
- The required minimum voltage is 5v.
- having 14 Digital GPIO pins and 8 analog pins.
- 5v and 3.3v power pins with 3 ground pins onboard.
- Another SMD microcontroller inbuilt for boot the Arduino main chip.
- there is also two voltage regulator one is for 5v and another is for 3.3v.
- for SPI protocol there is MISO, MOSI, SCK, and SS pin which is pin 12, pin 11, pin 13 and pin 10 respectively.
- for I2C protocol there are SCL and SDA pins above the pin 13 & Vref.
- serial communication by the pin Rx & Tx Which are given at pin 1Â & pin 2.
- There are also some PWM pins on the board you can see all the detail in the given diagram.
raspberry pi 
Arduino Uno R3 DIP IC High Quality Board
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