* ACS712 IP+ and IP− → in series with load (current flows through these) * ACS712 output: VCC/2 = 2.5V at 0A * ACS712-20A sensitivity: 100mV per Amp (0.1 V/A) * ACS712-30A sensitivity: 66mV per Amp (0 ...

Abstract: This paper proposed a self-contained IoT sensor module which includes sensor for collecting various information, micro-computer and multiple solar panels for realizing dynamic cost reduction ...

Abstract: We developed a compact sensor module for hydroponics that measures the nutrient concentration and water level using simple oscillator circuits. Oscillation frequencies are measured and are ...