ATM90E26 Single-Phase Energy Monitor Dev Kits

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Oct 17, 2017

ATM90E26 Featherwing Test Rig and QC

Often building the product behind the product is the hardest part of scaling a design. This week I am building an automated test rig for the ATM90E26 Breakout boards which uses 12V AC through out and some relays to switch signals into the measurement board. Last week I completed a test rig for the ATM90E26 Featherwings and handed it over to the assembly folks for QC of all Featherwing boards and any potential rework. Here it is in action:

I have also placed my order for Adafruit parts and current clamps for those who ordered kits and these are on their way to the Crowd Supply warehouse.

On the design front I have the first set of prototypes for the DIN rail metering board in fabrication. I have also started on an isolated SPI wemos shield for talking to it. I am considering adding some footprints for an i2c sensor / microSD on this isolated SPI board. What would you like to see ? You can reach me at, tisham@whatnick.com.

Regards,

Tisham

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$15

ATM90E26 Breakout Board

A breadboard-compatible ATM90E26 module I made to save myself hundreds of dollars, which earned me a mention on Hackaday. Now it can help you get started with energy monitoring as well.


$30

ATM90E26 Breakout Kit

All the parts you will need to use the ATM90E26 on a breadboard to build a self-powering energy monitor with Wi-Fi connectivity. A NodeMCU and a 100 A YHDC current clamp will be included as part of the kit. Voltage sampling transformer is the only other part the user has to supply.


$35

Energy Monitor FeatherWing

A hacker-friendly, low-voltage dev kit for the ATM90E26. Compatible with most Adafruit Feather-series boards and accessible via SPI or UART. Two can be stacked in SPI mode for grid + solar single-phase monitoring.


$70

Energy Monitor FeatherWing Kit

An Energy Monitor Featherwing with some essentials to get you going. The Adafruit Feather and a 100 A YHDC current clamp will be included as part of the kit. Voltage sampling transformer is the only other part the user has to supply.


$60

DIN Rail Energy Monitor (Single ATM90E26)

Something your electrician will feel good about installing. A fully featured DIN rail module with options to install two ATM90E26 monitoring boards for grid + solar. Can be interfaced with Wemos (ESP8266) footprint boards to add Wi-Fi, BLE, LoRa, and other forms of network connectivity.


$20

ATM90E26 Secondary Module for DIN Rail Use

Secondary module for the DIN Rail Energy Monitor above which will add another phase into the monitoring setup. Essentially the same as the breadboard version but with isolated SPI bus making it suitable for use with high-voltage inputs. This module can be used to measure a second phase or single phase solar output after the inverter. You can also use it to design your own isolated high-voltage monitoring system.

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Credits

whatnick

Whatnick INC is a consulting engineering company mainly working in the Energy Monitoring arena. We aim to build open-source hardware and empower users to put their own monitoring solutions together.


Tisham Dhar

Electronics Design Lead

Rany Thach

Logistics and Supply Chain

Gokul Shriyam

Marketing

Andrew Karas

Enclosure Designs and MCAD

Fabrice Marre

Video Production


Aisler

Prototyper

Hackvana

PCB Manufacturer

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