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GY-61 ADXL335 3-Axis Analog Accelerometer Module ±3g 3V–5V
GY-61 ADXL335 3-Axis Analog Accelerometer Module ±3g 3V–5V
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GY-61 ADXL335 3-Axis Analog Output Accelerometer Module — ±3g
The GY-61 breakout board features the Analog Devices ADXL335 MEMS accelerometer, providing 3-axis (X, Y, Z) analog voltage outputs proportional to acceleration. With a measurement range of ±3g and a 3V–5V supply, it connects directly to any microcontroller ADC — no I2C/SPI protocol required.
Key Specifications
| Parameter | Value |
|---|---|
| Module | GY-61 |
| Sensor IC | ADXL335 (Analog Devices) |
| Measurement Range | ±3g (full-scale) |
| Supply Voltage | 3V – 5V DC |
| Output Type | Analog voltage (X, Y, Z pins) |
| Sensitivity | ~300mV/g @ 3V supply |
| Zero-g Output Voltage | ~VCC/2 |
| Bandwidth | 0.5Hz – 1600Hz (X/Y), 0.5Hz – 550Hz (Z) |
| Current Consumption | 350μA typical |
| Dimensions | ~15×15mm |
Why Choose GY-61 ADXL335?
- Simple Analog Interface — No I2C/SPI library needed; read directly with analogRead()
- 3-Axis Simultaneous — X, Y, Z outputs available simultaneously for full motion vector
- Low Power — 350μA suits battery-powered wearable and IoT designs
- Wide Bandwidth — Up to 1600Hz for vibration and shock detection
- 3.3V & 5V Compatible — Onboard regulator and level shifting for both supply voltages
Typical Applications
- Arduino tilt and inclination sensing (level meter, gimbal)
- Vibration monitoring and shock detection
- Drone and robot attitude sensing
- Gesture recognition in wearable devices
- Seismic activity and structural health monitoring
- Game controller motion input
Arduino Wiring & Formula
Connect VCC→3.3V/5V, GND→GND, XOUT→A0, YOUT→A1, ZOUT→A2.float gX = (analogRead(A0) * (5.0/1023.0) - 1.65) / 0.330; (adjust 1.65 for actual zero-g offset)
FAQ
Q: Can GY-61 measure static tilt (gravity)?
A: Yes — at rest, each axis reads the component of 1g gravity. Use arctan(X/Z) for tilt angle calculation.
Q: What's the difference between ADXL335 and ADXL345?
A: ADXL335 has analog output (±3g fixed range); ADXL345 has digital I2C/SPI output with selectable ±2g/±4g/±8g/±16g range. ADXL345 is better for precision; ADXL335 is simpler to interface.
Package Contents
- 1× GY-61 ADXL335 3-Axis Accelerometer Module
