The Gravity: PAJ7620U2 3D Gesture Recognition Sensor is a powerful, compact module designed for contactless interaction. It supports 13 types of gesture recognition within a range of 3cm to 20cm, offering high accuracy, fast response, and stable performance—perfect for smart automation, robotics, and gaming.
This sensor uses I2C communication and is fully compatible with the Gravity series. Whether you're building a gesture-controlled robot, a smart light switch, or an interactive gaming device, this sensor delivers reliable and intuitive interaction.
Features
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Supports 13 gesture types including directional and motion-based gestures
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Fast mode: 9 gestures – left, right, up, down, forward, backward, clockwise, counter-clockwise, wave
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Slow mode: 4 additional gestures – slow left/right, up/down, forward/backward, random motion
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User-defined gesture support for customized applications
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Low power consumption
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Gravity-I2C interface for easy connection
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Stable under ambient light up to 100k Lux
Specifications
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Operating Voltage: 3.3V to 5.5V
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Operating Current: 3.5mA
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Interface: Gravity-I2C (4-pin)
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I2C Address: 0x73
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Detection Distance: 3cm–20cm
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Update Rate: 120Hz
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Ambient Light Immunity: <100k Lux
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Operating Temperature: -40°C to +85°C
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Dimensions: 30 × 22 mm (1.18 × 0.87 inches)
Applications
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Non-contact remote control systems
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Gesture-based robots
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Smart lighting management
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Interactive games and educational tools
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Touchless interfaces for embedded systems
What's Included
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1 × Gravity: PAJ7620U2 Gesture Sensor
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1 × Gravity 4P I2C/UART Sensor Connector