First thing I want to say is that it’s awesome to see a small scale cellular modem comes to the market. All other modules I’ve worked with are large in size and require gpio pin connections.
My idea is to create an automated system, integrated with Raspberry Pi Zero (small things) with wireless sensors on crop fields. The sensors will read temperature, humidity, soil humidity and acidity and IR photos of the field. The sensors will communicate via MQTT.
The Pi Zero would store the date in the database and through Node-Red and cron will send data via SMS to clients, like mobile phones or other system to process the information.
Components used are: Raspberry Pi Zero’s, Hologram USB modem, nodemcu or other esp8266 based board, Pi NoIR, sensors, cables..
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