Posts Tagged ‘logic level converter’:

Digital Compass using I2C, Arduino, and Sparkfun Compass Module

This mini project shows how to connect the Sparkfun Compass Module (SKU SEN-07915) to both the Arduino Uno and the Arduino Mega 2560. As these two Arduino boards are 5V devices, and the Compass Module is a 3.3V module, the I2C bus must be translated. This is done using the Logic Level Converter from Sparkfun

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