Given the current advances in Green IoT and Sensor Technologies, the practical applications in farming and agriculture are more common.
One big challenge would be to make this system robust. It would be very complicated mess of wires all across the farming fields. It has to be wireless network of sensors. To start with, these two basic prerequisites would always be a challenge:
1. Power delivery to the sensor units
2. Information channel from sensors to the data server.
The most reliable and non-obtrusive approach would be using solar panels wherever possible to power these sensors. And GSM or cellular based data connection.
Apart from these, safety of equipment from birds, curious humans as well as petty thieves would always be there.
Mainly the transmission frequency to support the long-range links without repeaters.
Hello,
I think the Big technical challenge for Measure & Estimate the Humidity and Rain Drop for Farming is "Design ultra-low power and cost-effective wireless sensor node".
Also, system designer needs think on following points.
1. This system is always deployed outdoor location and needs to measure Open Air Humidity. It is hard to find weatherproof humidity sensor, Only SHT20 I2C Temperature & Humidity Sensor (Waterproof Probe) is available but this is not cost effective because the user is a farmer and for farmer need the cost-effective solution. low-cost alternative for this is weather/ instrument shelter but it should have very good air circulation then we get perfect humidity.
2. Expected battery backup is more than 9 Months so that solar panel cost will be reduced. To develop ultra-low power designer needs to implement dynamic sleep and data transmission algorithm.
3. if we consider power consumption is the main factor then GSM is not a good choice. NBIoT, LORAWAN is the best choice for that. NBIoT not launched yet in all countries.
4. network latency, QoS, Sensor reliability and accuracy and overall Sensor node cost and size.
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