ADxL345 digital 3-Axis acceleration of gravity tilt module Use the chip: ADxL345 Power supply :3-5V Means of communication: the IIC/SPI communication protocol The ADxL345 is a small, thin, low power, well suited to measures the static acceleration of gravity in tilt-sensing applications, as well as dynamic acceleration resulting from motion or shock. Measuring range: ± 2g ± 16g Schematics, manuals and reference documentation of relevant data 51, AVR, Arduino minicontroller test code 3-Axis, ± 2g / ± 4g / ± 8g / ± 16g Material: metal Package Includes: 2 x ADxL345 module Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.