Arduino UNO (SMD)

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Sold By: HatchnHackSKU: B08-29

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Arduino Uno is a microcontroller board based on the ATmega328P. It has 14 digital input/output pins, 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 that simply connects it to a computer with a USB cable or power it with an AC-to-DC adapter or battery to get started. The Arduino Uno is the successor to the Arduino Duemilanove which is a microcontroller board based on a removable, dual-inline-package (DIP) ATmega328 AVR microcontroller.

Pin Configuration

D0 (Rx) & D1 (Tx)   Used to receive and transmit TTL serial data
D2 & D3 These pins can be configured to trigger an interrupt on a low value, a rising or falling edge, or a change in value
D3, D5, D6, D9, D10, D11 Provide 8-bit PWM output with the analogWrite() function
D11 (MOSI), D12 (MISO) & D13 (SCK) These pins support SPI communication
A4 (SDA) & A5 (SCL)  Support I2C (TWI) communication using the Wire library
AREF Reference voltage for the analog inputs
Reset Bring this line LOW to reset the microcontroller


  • Automatic reset during program download
  • Power OK blue LED
  • Green (TX), red (RX), and orange (L) LED
  • Auto-sensing/switching power input
  • Small mini-B USB for programming and serial monitor
  • ICSP header for direct program download
  • Standard 0.1” spacing DIP (breadboard friendly)
  • Manual reset switch 
Microcontroller ATmega328P
Operating Voltage 5 V
Input Voltage(Recommended) 7-12V
Input Voltage(Limit) 6-20V
Analog I/O pins 6
Digital I/O pins 14
PWM Digital I/O pins 6
DC current per I/O pin 40 mA
Clock Speed 16 MHz
Flash Memory 32 KB
Country of Origin China

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