This research work is focused on the development of Internet of things (IOT) Based Smart Irrigation system. This project was borne out of the problems or difficulties farmers experience to manually irrigate each corner of a large farmland. Therefore, the system utilizes Nodemcu for smart monitoring and controlling of the traditional irrigation system. The system deploys soil moisture sensor to measure the soil moisture level of the soil and Nodemcu which provides Wireless Access Point (WAP) for Wi-Fi connections. Object oriented methodology was deployed, the system components was seen as different objects that interact with each other to produce the entire result. The soil moisture sensor measures the soil moisture level and based on this sensor value, the Nodemcu controls the 5v water pump to irrigate the farmland. In addition, the wireless technology integrated into the Nodemcu shall be used to send the soil moisture level to the farmer’s device, which helps to monitor the farmland. The system also enables the storage, retrieval and visualization of sensor data from the database on the web browser. The database processing is designed using Php and MySQL. The microcontroller aspec
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