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ADXL345 Breakout + UNO hookup doubts about voltages i2c

Hi I'm new to the forum and also new starting to experiment with arduino and sensors. I've bought an adxl345 breakout board to hookup to my arduino uno using i2c. But I'm having several doubts. I've already read i2c protocol datasheet, and went through arduino resources talking about level translation and how arduino manages a HIGH or LOW value. But I still have doubts regarding how to wire this breakout board properly and to avoid frying it.  I've attached pictures of the breakout board as I don't have any schematics for it.