February 15, 2009 AT 9:22 am

Make an ultrasonic ‘ping’ sensor from scratch

One can purchase ready-to-go ultrasonic sensors for $30 such as those from Parallax or Devantech but for max-cheapiness you may want to roll your own as this fellow from Micro Examples has done. You can make a basic one by having your already-on-board microcontroller do the timing.

Theres a lot more nice PIC projects with schems and code there, so hang out for a bit!

Check out all the Circuit Playground Episodes! Our new kid’s show and subscribe!

Have an amazing project to share? Join the SHOW-AND-TELL every Wednesday night at 7:30pm ET on Google+ Hangouts.

Join us every Wednesday night at 8pm ET for Ask an Engineer!

Learn resistor values with Mho’s Resistance or get the best electronics calculator for engineers “Circuit Playground”Adafruit’s Apps!

Maker Business — Profile on iFixit (repair/takedowns and more)

Wearables — This one’s for all the Cosplayers out there

Electronics — Capacitor ESR

Get the only spam-free daily newsletter about wearables, running a "maker business", electronic tips and more! Subscribe at AdafruitDaily.com !

1 Comment

  1. hi
    how to create filter for ultrasonic?

Sorry, the comment form is closed at this time.