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Posts Tagged ‘HC-SR04’

A simple posture sensor

Thursday, April 24th, 2014

Here's a simple cure for your posture and the back pain blues, a posture sensor by Wingman: The simplest distance sensors are ultrasonic or infrared sensors. I went with a SR-HC04 because it is cheap and sufficiently precise. There are no special requirements to the controller so I am using an Attiny85. A...

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Posted in hacks, sensors | 10 Comments »

MSP430 and a HC-SR04 ultrasonic ranging module

Tuesday, March 25th, 2014

Juan Ignacio writes: A while back I bought an HC-SR04. It sat in a box until yesterday when I tried to use it with an MSP430G2553 but unfortunately it wasn’t working. I used Energia to program the Launchpad but I wasn’t getting any response from the device. I hooked up my...

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Posted in MSP430, sensors | 1 Comment »

Improving the HC-SR04 ultrasonic sensor

Sunday, March 16th, 2014

Emil has written a post on improving the HC-SR04 ultrasonic sensor. Via the contact form.

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Posted in sensors | 1 Comment »

HC-SR04 ultrasonic Arduino library

Monday, October 17th, 2011

Carl Nobile has developed and released an Arduino library covering the HC-SR04 ultrasonic sensor. He writes: "It features timing, metric conversion, and standard deviation methods, plus a few support methods. It is written in C++ to conserve the namespace. The conversion formula can be easily modified to optimize the accuracy...

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Posted in Arduino, code, sensors | 12 Comments »

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