Are you tired of unexpected energy bills and feeling powerless when it comes to monitoring your consumption? The Smart Powermeter is here to change the game!

With its support for a 2.9-inch e-paper display, the Smart Power meter provides real-time data on your energy consumption, giving you a quick overview of your grid's status whenever you need it. No more surprises, no more guessing.

Equipped with IoT capabilities, the Smart Powermeter easily connects to your favorite home automation systems such as Home Assistant. Monitor your energy usage, track trends, and make informed decisions to optimize efficiency and save money.

Installation is a breeze with the Smart Powermeter's integrated 230VAC -> 5VDC regulator. It taps into the surrounding wires, eliminating the need for complicated setups or additional power transformers. And with support for up to 6 CT clamps, you can monitor your full triphasic setup, or even each line going to a specific area!

Since it was carefully designed to fit into a commercially available enclosure, it brings support for DIN-rail mounting, so it can be easily mounted on your electric closet rack!

Features

• ESP32-S2 module. Since it is based on the extended ESP32-S2 microcontroller you can upload the ESPHome firmware through the USB-C port or OTA (Over the Air) with your Home Assistant setup.

• Embedded sensors. Appart from jack connectors for up to 6 different CT-clamps, with or without a burden resistor, you can also monitor your rack's temperature through the embedded BMP280.

• Simple and clear. Check out quickly your home's electric consumption on the 2.9" e-paper screen. You can program your own data layout so you have everything you want to see at first sight.

• Log your data. Measure each of the phases arriving into your home, monitor each line going to a specific room or appliance (washing machine, kitchen stove), and send your data to your cloud (or domotic setup like Home Assistant) for long periods of time.

• Open-source. If you have any questions or suggestions about the design, just check out all the documentation and design files on my Github

For knowing more about its features, check out the online documentation.

What you buy

In addition to the assembled board, you can add some extra components or buy them from other providers:

• 296x128, 2.9inch E-Ink raw display panel: You can buy it together or at Waveshare

• 230VAC->5VDC power supply: You can buy it together or at Hlktech.

• Din-rail enclosure: You can buy it together or at LK Shiny Enclosure.

Important notices:

The Smart Powermeter (V1R3) is still a prototype device. Therefore the acquisition of this board is only recommended for people with experience in the field of electronics and/or programming, preferably individuals familiar with ESPHome and Home Assistant environments.

The installation of the Smart Powermeter should only be carried by people with good knowledge about high-voltage electric installations and familiarized with the procedure that involves installing ct-clamps around main voltages.