We made an instrument using buttons and a temperature/humidity sensor. Currently the sounds are mapped to the harmonic series with sine / saw / square waves mix. The humidity sensor triggers the timbral change.

Dependencies:   DHT11 HC_SR04_Ultrasonic_Library mbed

Revision:
0:257c833fe9de
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+++ b/DHT11.lib	Wed Jun 28 22:26:55 2017 +0000
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+http://developer.mbed.org/users/fossum_13/code/DHT11/#5da6f6de3e42