This is a guide to create your own ESPHome multisensor. The multisensor is packed with functionality in an elegant box. The components cost as little as 20$. The price includes the ESP-WROOM-32 development board and temperature, relative humidity, light, motion and sound detection, plus an RTTTL b...
So I've struggled some time with getting the KY-037 and KY-038 sensors working for ambent sound detection/tracking in ESPHome. These sensors seem to lack sensitivity to be used for anything short of detecting alarms or really loud sounds.
I wanted to build a device to measure the general noise in...