*3.3.1 Node costs*

The costs per hectare for both sensors, together with its WSN network, change. The cheaper system will use V1.2 probes with the BLE CC2541 communication net (1760 US). If ten TTGO LoRa32 OLED V2.1.6 modules are needed to transmit data from 1 ha to the farmer's house, the final cost for all the intelligent systems will be 2200 US\$. In the case of using the laser WSN (option B) with the V1.2 probes and the LoRa modules, the total cost increases to 2950 US\$. Laser WSN using sprinklerencoder sensors and LoRa will increase the cost to 5100 US\$, meanwhile the sprinkler encoder sensors plus BLE WSN and LoRa will cost 4350 US\$.
