[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]’ ...

A low-cost (~$100), do-it-yourself (DIY) ultrasonic water level sensor/datalogger has been designed, constructed, and tested for use in education, citizen/community science, and research settings. The ...

I’m old enough to remember the catchy jingle for Certs, which went like this: “A delicious candy mint and perfect breath mint. Certs gives you two, two, two mints in one.” Don’t expect Shot Scope to ...

The PD 32 laser range meter provides fast, accurate measurements with the touch of a button, the company says. To use, aim the laser at the target and press the measuring button. The meter shows the ...

For the last month now, Chattanooga Police Officer Rob Simmons has been biking around town with a new, unique ultrasonic sensor to make sure that drivers are obeying the state’s three-foot buffer law.

Davis Riley was assessed a two-stroke penalty Saturday morning for using a distance-measuring device that had the slope feature turned on. There was no real knowledge to be gained, given how flat ...