Tagged: sound sensor
primary: make ear muffs for teacher
Noise is sound being a nuisance or causing ear damage but sound proofing against this is difficult. This is because all sorts of materials vibrate and transmit sound. Having sound absorbers, such as carpets and curtains helps to absorb sound. Also ..
primary: can you trust your ears
Materials which set up vibrations in the air make sound. These vibrations are little ‘puffs’ of higher air pressure followed by gaps of lower air pressure …
stopping sound / large & small ears
visitors this year: 70 photo credit: unsplash-logoJoanna Kosinska
monitor classroom noise
visitors this year: 62 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...
measure pulse with a sound sensor
visitors this year: 45 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...
measure the speed of sound
visitors this year: 63 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....
sound sensor & microphone
visitors this year: 92 sound sensor 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 as...