Ultrasonic sensor controled directly from arduino? Answered
I'm on a time crunch for a project, and I want to have distance sensing. Unfortunatealy, i dont have enough time to get stuff shipped, nor the budget to use radioshack. I was wondering if I can use a single pieze transducer without premade circuitry, and control it from an arduino.
I have some transistors, some common ICs (386, 555, etc), and basic passive components, plus two arduino UNOs (one with a broken FTDI adapter) can it be done?
I don't need an exact, continuous, or scaling measurment, just one that gives me an idea of the distance/presence of an object.