Adafruit triple axis accelerometer breakout boards adafruit 1231 the adafruit adxl345 triple axis accelerometer is a neat 3 axis accelerometer with adjustable sensitivity and a choice of either i2c or spi bus connectivity select from plusmn2 4 8 or 16g sensitivity plusmn2g gives a higher resolution for slow movements while plusmn16g is best for high speed tracking it can be configured to detect a single tap a double tap and free fallsupplied as a fully assembled and tested accele