This project involves using an Arduino to measure distances using an ultrasonic sensor and controlling a buzzer and LED based on the measured distance. The provided Arduino code performs the following ...

# of the LCD if the moisture content is less than 20%. Futhermore, the beeper # must be sounded if the moisture content is less than 10%. # Use beeper.RunPattern(100, 100, 3) to sound the beeper. # (C ...

Abstract: This paper focuses on the design and analysis of an inexpensive novel chipless RFID sensing scheme for soil moisture and salinity content detection. The sensor is designed at the UHF RFID ...

Abstract: This article introduces a low-cost, compact, and energy-efficient soil moisture monitoring system designed primarily to support small farmers in California’s San Joaquin Valley with ...

Phosphorus concentration is one of the main attributes determined in laboratory analyses of soil samples collected in the field. The objective is to develop a soil phosphorus test using a low-cost ...

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