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 ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

Sonair is pushing towards a new sensor built on 3D ultrasonic technology, giving autonomous robotics the power to see and make the right decisions. Ralph W. Bernstein is the senior business developer ...