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智能传感器照亮手势识别的方式
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2017-05-12
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智能传感器照亮手势识别的方式
手势传感和识别是一个不断增长的市场，推动技术进步和扩大应用，尤其是在物联网（物联网）运动。市场上手势识别变得尤为突出，包括便携式和可穿戴设备在游戏，医疗保健，自动化，汽车和消费电子行业。
Figure 1： Touchless gesture control has arrived in the automotive infotainment market， with the latest iDrive launch from BMW. Advances in sensors and control circuitry are making the same technology accessible to designers of wearable devices.
In its simplest form， a gesture sensing circuit might include IR LEDs， IR photodiodes， ambient light sensors， and proximity sensors. However， to help designers reduce their time to market， more highly integrated devices， subsystems and modules are emerging， incorporating multiple optical sensors and control circuitry.
This article will consider one such recently launched solution， showing the ams TMG4903 optical sensing module. The associated evaluation board， TMG4903 EVM-ND helps designers incorporate gesture recognition into their next-generation products swiftly and efficiently， thereby enabling them to put their product on the market faster and with a lower bill of material （BOM） cost compared to building functionality from discrete devices.
For engineers and hobbyists wanting to explore gesture recognition at a simpler level， the SparkFun SEN12787 gesture sensor breakout board， based on the Avago APDS9960 provides a low-cost start point.
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