Tagged: sound sensor

monitor classroom noise

A most asked question was ‘what can I use this data logger for?’ My most used answer to this was to use it as a noise meter. When I needed the class to work,...

measure pulse with a sound sensor

You can sense the human pulse cheaply using a sound sensor. While pulse sensors can now be found even in phones, using a sound sensor works too. Hold a sound sensor over where your...

measure the speed of sound

The speed of sound has been measured in so many ways but this version I saw my colleague Ian Galloway* demonstrate perfectly, impressed so I want to pass it on. Split the cable on...

sound sensor & microphone

sound sensor (my rating **** / ++) Sound sensors tend to find their use as stand alone noise meters but this misses some interesting uses where sound level changes over time. Just using it...