AC energy metering board using an Atmel 90E24 energy metering chip

https://www.electronics-lab.com/ac-energy-metering-board-using-an-atmel-90e24-energy-metering-chip/

Steve Rodgers writes: Here’s my latest project. Its an AC energy metering board using an Atmel 90E24 energy metering chip. The board can either take an ESP8266-12 and run a native C application, or the ESP8266-12 can be omitted, and an external microcontroller can be used to talk to the Atmel 90E24 energy metering chip. […]