8 x HC-SR04 Sensor Ultraschall Modul Entfernungsmesser für Arduino Raspberry Pi
8 Stück HC-SR04 Ultrasonic Distance Sensor Ultrasonic Sensor. HC-SR04 Ultrasonic Sensor Distance Module. 8 HC-SR04 Ultrasonic Sensors. Uses the MCU STC15W104 which has a built-in clock, no need of external crystal oscillator.