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Arduino Pin Diagram

Ardunio Uno R3 pin diagram

Arduino UNO R3 – Input and Output

Every of the 14 advanced pins on the Arduino Uno camwood make utilized Likewise a enter or output, utilizing pinMode(), digitalWrite(), Also digitalRead() works. They work In 5 volts. Each pin camwood provide alternately get a greatest about 40 mama Also need a internal pull-up resistor (disconnected Eventually Tom’s perusing default) about 20-50 KOhms. To addition, a few pins bring particular works.

Serial Pins

Pins 0 (RX) What’s more 1 (TX). Used to accept (RX) Furthermore transmit (TX) TTL serial information. These pins need aid associated with the comparing pins of the ATmega8U2 USB-to-TTL serial chip.

External Interrupts

Pins 2 What’s more 3. These pins camwood be arranged should trigger a intrude for An low value, An climbing alternately tumbling edge, alternately An change over esteem. View the attachInterrupt() capacity to subtle elements.

PWM

3, 5, 6, 9, 10, What’s more 11. Give acceptable 8-bit PWM yield with those analogWrite() capacity

SPI

10 (SS), 11 (MOSI), 12 (MISO), 13 (SCK). These pins support SPI communication using the SPI library.

LED

13. There will be An inherent headed associated with advanced pin 13. At the pin may be helter skelter value, the headed may be on, At those pin is LOW, it’s off. Those Uno need 6 simple inputs, marked A0 through A5, every from claiming which give 10 odds for determination (i. E. 1024 diverse values). Eventually Tom’s perusing default they measure from ground with 5 volts, if may be it could be allowed to change the upper conclusion for their extent utilizing the AREF pin and the analogReference() work. Additionally, some pins have particular purpose.

TWI

A4 or SDA pin What’s more A5 or SCL pin. Backing TWI correspondence utilizing the Wire library.  There might a few over distinctive pins on the board.

AREF

Reference voltage for the simple inputs. Utilized for analogReference().

Reset

Achieve this accordance low with reset the microcontroller. Normally used to include a reset catch will shields which square the you quit offering on that one on the table.

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