energy-meter Using Peacefair PZEM-004T energy sensor for household IoT energy meter Pin map Pin on MCU On parts 5V V+ (Hi-Link) GND V- (Hi-Link) D6 RX (PZEM-004T) D5 TX (PZEM-004T) Hookup to main breaker A graph for power with timestamp A correlation with an offical meter (by EVN, VSE11) Blog $20 energy meter
