Life could be more easy if we can monitor temperature and humidity via SMS right? This tutorial will show you how to do it using M5Stack and SIM800L module. SIM800L is a cellular phone module (GSM/GPRS) and only compatible with 2G network. If you want to integrate a cellular module into your design with voice, text and SMS, you can consider this setup.
Learn how to make this project here and watch the video here.
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