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

acpowermonitor

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. I have firmware to support both the AVR and the ESP8266. I built a really nice energy monitoring box using the AVR and a 12864 display.”

Project info at hwstar’s github.

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