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I imagine that you could build a functional equivalent with an ESP8266, a power adapater, and a Twilio account - no server required, since you should be able to
by ultrafez 10y ago
I imagine that you could build a functional equivalent with an ESP8266, a power adapater, and a Twilio account - no server required, since you should be able to measure volume directly on the ESP8266 itself. The parts would cost you less than $20 - probably less than $10.
- TeMPOraL 10y agoNodeMCU (basically ESP8266 + USB-to-serial and power over USB) is ~$3, if you can find a reliable USB charger for less than $7, then this project will definitely cost less than $10 in parts.