<![CDATA[Solar panels are the main devices in the solar power generation system that function to convert sunlight energy into electrical energy directly. The purpose of this study is to make it easier for users to monitor the voltage and current values produced by solar panels through the designed display (LCD). This tool was developed using the Arduino Nano microcontroller. With several sensors such as Current used to detect DC and AC electric currents. The Voltage Sensor is used to measure the voltage on the solar panel and the Kijo1250 lead acid battery. The NTC sensor is used as a setpoint for the float process during the battery charging process. Research results In the battery controller system on solar panels, MOSFET with a duty cycle of 95% produces an input voltage of around 14.8 volts.]]>
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