Looking for a connection between Voltage, Frequency and Maybe Temp

ATtiny85/DHT22 RF transmitter using watchdog sleep (~4.8 µA powered down). Battery voltage measurement uses readVcc(). "UNO" as RF receiver using ENC28J60 ethernet.

Check and record Home UPS status

monitoring fasa 1

Checking how much current and power an AC can eat up

The IoT enabled the system for monitoring and controlling AC loads with current sensor and bill estimation for the load connected.

THIS WEBSITE VIEW A LOAD AT CLASS ROOM

BigTUI AC Volt record at My Home. หมายเลขผู้ใช้ไฟฟ้า (CA/Ref.No.1) : 020004480455 , รหัสเครื่องวัด (PEA No.) : 26962948 , User No. 039440 , ประเภท(Type) : 1125