Arduino uno i2c ports - Arduino - PortManipulation
Arduino Tutorial Lesson 1: Let it is finally time to make your Arduino do if you're sure that the ports are not used for something else but are.
There are three more breakout pins on the PCB, next to the AREF pin there is are two I2C pins Arduino Uno R3 (Atmega328 assembled) 24. 95 Add To Cart
SPI Library The SPI library allows you to communicate with one or more SPI (Serial Peripheral Interface) devices. Download: SPI is included with Arduino.
How do I use I2C devices with Arduino? As a reference the table below shows where TWI pins are located on various Arduino boards. Board I2C TWI pins. Uno.
Adafruit Motor Shield V2 for Arduino This chip handles all the motor and speed controls over I2C. Only Tested compatible with Arduino UNO, Leonardo, ADK.
DEV: This is the new Arduino Uno R3. In addition to all the features of the previous board, the Uno now uses an ATmega16U2 instead of the 8U2 found on the Uno