测距 传感器 低成本 欧司朗SFH 7770 external driver 50cm
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Introduction SFH 7770 E6 Driving an External LED Application Note 1 This application note describes technical details and guidelines to use the SFH 7770 E6 see Fig 1 to drive an external LED The main goal is to either increase the detection distance by applying higher LED drive currents or by separating the LED from the SFH 7770 E6 sensor beyond the recommended maximum spacing The SFH 7770 E6 contains an integrated ambient light ALS and proximity sensor PS which is capab......
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