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flashtree 5pcs HC-SR04 Ultrasonic Module Distance Sensor  for Arduino UNO Mega2560 Nano Robot XBee ZigBee Micro Controller
flashtree 5pcs HC-SR04 Ultrasonic Module Distance Sensor  for Arduino UNO Mega2560 Nano Robot XBee ZigBee Micro Controller
$8.49

flashtree 5pcs HC-SR04 Ultrasonic Module Distance Sensor for Arduino UNO Mega2560 Nano Robot XBee ZigBee Micro Controller

  特征: 模块外有 4 个引脚:VCC、Trig、Echo、GND。 该模块自动发送八个40 kHz并检测是否有脉冲信号返回,如果信号返回,通过高电平,输出TTL电平信号。 电压:DC5V,静态电流:小于2mA,电平输出:高-5V,电平输出:末端0V,传感器角度:不超过15度,检测距离:2...

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$8.49

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