DIY cellular IoT – Internet of Things System – sending sensors data to the cloud with HTTP or MQTT
[ENABLE CAPTIONS PLS] This is the simplest IoT unit which receives information from DHT22 sensor and sends them via World-wide-web with HTTP to the cloud – ( Thingspeak system ) so you can look at temperature & humidity on line. It functions when there is NO WIFI ! Employs GSM/GPRS ! Thanks to use of […]