The hardware was assembled by connecting the Arduino UNO R4 WiFi, the PZEM 004T, the current transformer, and the OLED ...
Abstract: This paper examines the effectiveness of a novel septic tank monitoring system utilizing Arduino and MQ-2 gas sensors. The primary objective is to enhance safety and improve maintenance ...
Abstract: Access to clean drinking water is critical for public health, yet many water sources contain dissolved solids, salts, and microbial contaminants that are not visually detectable but pose ...