Скачать или смотреть What is Arduino UNO

This video talks in detail about the components of Arduino UNO board.The major components of Arduino UNO board are as follows:

1. USB connector
2. Power port
3. Microcontroller
4. Analog input pins
5. Digital pins
6. Reset switch
7. Crystal oscillator
8. USB interface chip
9. TX RX LEDs

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