The organ is played by standing in front of the Parallax Ping range sensor, and moving around any which way you please. He interfaced the range sensor with an Arduino, scavenging a small speaker ...

We’ve seen Parallax PING projects for sensing water depth and to generate music. These could be hacked to use the HC-SR04 using [Clint’s] techniques. [Arduino and HC-SR04 photo from Blax Lab ] ...

Ben Heck's been busy -- again. In the latest episode of his bi-weekly show he puts his considerable brain power to work on cycle safety. He uses Parallax ping sensors connected to an Arduino to ...

Ben Heck Builds Bicycle Safety Sensor By Shane McGlaun Sept. 26, 2011 9:30 am EST Ben Heck made his name crafting some really cool game consoles that were packed into portable from factors.