DIY, IoT Platform, 2G, 3G, Arduino, DHT22, GPRS, GSM, Logging, SIM, SIM900
With Arduino UNO R3, SIM900 Shield AND DHT22 you can log temperature and humidity data outside, in room, greenhouse, lab, cooling room or any other places completely free. This example we will use to log room temperature and humidity. Device will be connected to internet via GPRS 2G, so can be used even without existing […]
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