Recommendations for multiple mains current sensing (passive current clamp) HA and/or Arduino base - Zigbee or 2.4Gz WiFi

This page summarizes the projects mentioned and recommended in the original post on /r/homeautomation
adc-board Voltage esp8266-arduino Esp8266 Adc

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  • IoTaWatt

    IoTaWatt Open WiFi Electric Energy Monitor

    • Haven't tried it yet but I want to get an https://iotawatt.com/ for power monitoring.

  • Expandable-6-Channel-ESP32-Energy-Meter

    Hardware & Software documentation for the CircuitSetup Expandable 6 Channel ESP32 Energy Meter. Works with ESPHome and Home Assistant.

    • The INA219 chips are typically used to indirectly monitor current as the byproduct of directly monitoring voltage across a shunt resistor. If you're using CT clamps, you just need a simple analog to digital voltage converter. Something based on the ATM90E32AS might be a good solution here. Paired with an ESP32 running something like ESPHome to connect to HA should give you exactly what you're looking for.

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NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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