HLW 8032 sensor energy meter - Arduino mengukur Arus dan Tegangan AC sesuai datasheet Default use capacitive dropper method as non-isolation AC-DC power supply, supply current up to 100mA. Add fuse and varistor general protection. Previous ACDC power supply method MP150 is still also available, current supply up to 200mA, further improve reliablility. HLW8032 energy measurement on board one side, and ACDC power supply on other side Add ACDC power supply LED indicator. Add jumper between ACDC power supply and supply for HLW8032. You can test HLW8032 with your lab power via jumper pin header. We may soldered the cables for testing purposes, you can remove them later or add notes to ask us to do so