Ultrasonic Module -SR04 Distance Sensor for R3 Duemilanove Nano Robot for Rapsberry Pi 4B 3B+

Increase to a distance of 7 M 5 M and gradually fade the signal outside 7 M 5 M until a stable signal within the position.Use IO to generate a high level signal in the range of at least 10us.The working voltage is 5 V and the working current is 30 mA.Equipped with Anti-Reversal PIN Slot - Makes wiring tighter and easier to carry 4-pin anti-reverse cable is also included.Using MCU stc15 W104 has built-in clock technology without external crystal oscillator.Colour: blueMaterial: plastic+metalPackage Contents:5 * -SR04 Ultrasonic Sensors10 * Female-Male Cables10 * Female-Female CablesOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.