The ADXL335 is a low-power, 3-axis analog accelerometer designed to measure acceleration along the X, Y, and Z axes. It is commonly used for tilt sensing, motion detection, vibration analysis, and orientation measurement in embedded, robotics, and educational projects. The sensor provides analog voltage outputs proportional to acceleration, making it easy to interface with microcontrollers that include ADC inputs.
Core Sensor Specifications
• Sensor Type: MEMS capacitive accelerometer
• Measurement Axes: X, Y, Z
• Output Type: Analog voltage
• Measurement Range: ±3 g per axis
• Bandwidth: User-selectable using external capacitors
Electrical & Interface
• Operating Voltage: 1.8 V – 3.6 V
• Typical Supply Voltage: 3.3 V
• Interface Type: Analog outputs
• Output Pins: XOUT, YOUT, ZOUT
• Sensitivity: ~300 mV/g (at 3.3 V supply)
• Zero-g Bias Voltage: ~1.65 V (at 3.3 V supply)
Performance Characteristics
• Measures static acceleration (tilt) and dynamic acceleration (motion)
• Low noise suitable for motion and vibration sensing
• Fast response time for real-time applications
• Bandwidth configurable independently for each axis
Physical Characteristics
• Module Type: PCB-mounted accelerometer breakout
• Sensor Package: LFCSP (mounted on module)
• Compact and lightweight design
Compatibility
• Arduino Uno / Nano / Mega (ADC required)
• ESP8266 / ESP32 (3.3 V ADC compatible)
• STM32, AVR, PIC microcontrollers
• Raspberry Pi (requires external ADC)
Key Advantages
• Simple analog interface, easy to implement
• Simultaneous 3-axis acceleration measurement
• Low power consumption
• Well-documented and widely used sensor
Technical Insights
• Output voltage is ratiometric to supply voltage
• Requires calibration for accurate zero-g offset
• External capacitors define bandwidth and noise filtering
• Not intended for high-g shock measurement
Applications
• Tilt and orientation detection
• Motion and gesture sensing
• Vibration monitoring
• Robotics balance and movement systems
• Educational and DIY electronics projects
Pro Tip
• Use a clean and stable 3.3 V power supply
• Calibrate each axis in software for best accuracy
• Apply averaging or low-pass filtering to reduce noise
Package Includes
• 1 × ADXL335 3-Axis Accelerometer Module