5 Stück Ultraschallmodul-SR04 Abstandssensor mit 2 Stück Montagehalterung 3777
6,34 €
5 -SR04 Distance Sensor. 2 Mounting Bracket(Support -SR04 only). Test distance = (altitude duration) (sound wave: 340m/s)/2. Test mode: use IO flip-flop for high signal. (not less than 10us), the module automatically sends eight 40 kHz and detects whether there is a pulse signal.
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