[Klaus] wanted some sort of aid for parking his car, and after running across a $4 ultrasonic sensor, decided to build his own speaking distance sensor (.de, Google Translation). Inside [Klaus]&#82… ...

The JSN-SR04T Waterproof Ultrasonic Sensor. As well as the familiar ultrasonic ranging module HC-SR04, another one seen on online markets is the JSN-SR04 (and variants). The JSN-SR04 ultrasonic ...

I have seen too many posts highlighting the erroneous distance reports of the HC-SR04 ultrasonic sensor module. In principle, it can “conditionally” detect the distance of objects between 2 and 400 ...

Posted in home hacks, Misc Hacks Tagged air, duct, flow, flow meter, HC-SR04, hvac, sensor, time of flight, TOF, ultrasonic Post navigation ← The Most Straightforward Wind Turbine ...

Makers, developers and enthusiasts building distance related projects may be interested to know that the HC-SR04 ultrasonic sonar distance sensor is now available to purchase directly from the ...