Shipping to United States starts at $5.00
A dedicated Energy Metering IC (ADE7763) with pi-filter to suppress unwanted frequencies and crystal for accurate frequency and phase measurements.
After building the NodeMCU based energy monitor with an external 16 bit delta-sigma ADC i.e. the ADS1115 I started looking into solutions which were more accurate and cheaper.
I came across some work by Skye Sweeney with the ADE7763. He had built a prototype on breadboard and wanted to monitor lots of channels so the cost of sensors became prohibitive and he set the project on hold. I am attempting to measure only a single phase and disaggregate the data later by post processing, so a single ADE7763 should serve my purpose.I set about building a breakout board for the sensor using the reference design in the datasheets and ordered it from Oshpark.
There is no easily available breakout for this great energy measurement ASIC. The ones available from the manufacturer cost about $300 at DigiKey. This version is tiny and much more affordable.
The ADE7763 takes the load off the main processor in calculating True-RMS values with synchronised voltage and current sampling. I have adapted the code to run on the Teensy and tested with Arduino and Mbed as well. The board should work with any SPI capable platform including Beaglebone and Raspberry Pi.
Please note that in order to reduce shipping bulk and possibility of damage while shipping, headers will be sent unsoldered. If you need them to be soldered please notify me.
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Australia Post: Airmail
This is an untracked airmail letter option only use for low value items which you are in no hurry to receive. May take upto 8weeks, with possibly additional delays due to customs.
Australia Post: Airmail Parcel
Australia Post: Standard Air Parcel (Tracked)
This is a tracked option for shipping. Not any faster than letter, more suited for larger orders upto 500g.
Australia Post: Express Post
Express shipping via EMS with tracking. Please consult me when choosing this option.
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