Maintaining water quality is vital as it is the most important factor in determining the success and failure of an aquaculture farming. An unbalanced ecosystem can greatly increase some mortality rate of fish, mollusk, and ...

The focus of this research was to design, construct, and test an emergency Wi-Fi signal transmitter and repeater with a messaging app. Two NodeMCU Microcontrollers with ESP8266 Wi-Fi modules and two drones make up the ...