GY-61 ADXL335 3-axis accelerometer tilt angle module

Description

Product Overview

The GY-61 ADXL335 3-axis Accelerometer Module is a complete, low-power, analog output accelerometer designed for precise measurement of acceleration, tilt, and vibration across three axes (X, Y, and Z). Based on the industry-standard Analog Devices ADXL335 MEMS accelerometer, this module provides simple, noise-free analog voltage outputs that are directly proportional to the acceleration experienced on each axis .

The ADXL335 measures acceleration with a selectable full-scale range of ±3g (minimum) . It can measure both static acceleration—the constant force of gravity used for tilt sensing—and dynamic acceleration caused by motion, shock, or vibration . The output signals are analog voltages with a typical sensitivity of 300 mV/g (at 3V supply).

The GY-61 module breaks out all the essential pins onto a compact, easy-to-use board. Crucially, it often includes an onboard 3.3V voltage regulator, allowing you to power it directly from a 5V supply (like an Arduino) while ensuring the ADXL335 chip receives the correct 3.3V operating voltage . The analog outputs are ratiometric, meaning the output voltage scales proportionally with the supply voltage. This characteristic makes interfacing with microcontrollers straightforward, as the 0g offset point remains at VCC/2 regardless of the supply voltage .

Whether you need to measure the tilt of a robotic arm, detect the orientation of a handheld game controller, log vehicle vibration, or simply determine which way is “up” in your DIY project, this module offers a reliable, cost-effective solution with no complex programming or digital communication protocols to manage .

Key Features

• 3-Axis Sensing: Measures acceleration simultaneously on X, Y, and Z axes, providing complete orientation information .

• ±3g Measurement Range: Full-scale range of at least ±3g, suitable for tilt sensing and moderate motion detection .

• Analog Voltage Output: Simple, noise-free analog outputs eliminate the need for complex digital libraries .

• High Sensitivity: Typical sensitivity of 300 mV/g (at 3V supply), providing good resolution for tilt detection .

• Low Power Consumption: Operates on just 350 µA (typical) , making it ideal for battery-powered applications .

• Signal-Conditioned Outputs: On-chip signal conditioning provides stable, low-impedance outputs ready for direct connection to a microcontroller’s ADC .

• Selectable Bandwidth: User-selectable bandwidth via external capacitors (X,Y axes: up to 1600 Hz, Z axis: up to 550 Hz) for noise reduction .

• Ratiometric Outputs: Output voltage scales proportionally with supply voltage, simplifying ADC interfacing .

• Onboard 3.3V Regulator: Most GY-61 boards include a voltage regulator, allowing 5V power input while supplying 3.3V to the sensor chip .

• Ultra-Compact Package: Small module size (approx. 4mm × 4mm × 1.45mm chip on breakout board) fits easily into portable and space-constrained projects .

Technical Specifications