Before you start...

You should only attempt this project if you are comfortable and competant working with high voltage electricity, electronics and computers. Once the project is complete it is enclosed and there are no exposed high voltages. However, you must only work on the project when its not plugged in and never ever attempt to test, measure, open, or probe the circuitboards while they are attached to a wall socket. If something isnt working: stop, remove it from the wall power, then open it up and examine. Yes it takes a few more minutes but its a lot safer!

Your safety is your own responsibility, including proper use of equipment and safety gear, and determining whether you have adequate skill and experience. Power tools, electricity, and other resources used for this projects are dangerous, unless used properly and with adequate precautions, including safety gear. Some illustrative photos do not depict safety precautions or equipment, in order to show the project steps more clearly. This projects is not intended for use by children.

Use of the instructions and suggestions is at your own risk. Adafruit Industries LLC, disclaims all responsibility for any resulting damage, injury, or expense. It is your responsibility to make sure that your activities comply with applicable laws.

OK, if you agree we can move on!

Make a tweet-a-watt

To make the tweet-a-watt setup, we will have to go through a few steps

  1. Prepare by making sure we have everything we need and know the skills necessary to build the project
  2. Build the receiver setup by soldering up one of the adapter kits
  3. Configure the XBee wireless modems
  4. Build the transmitter setup by modifying a Kill-a-Watt to transmit via the XBee
  5. Run the software, which will retreive data and save it to a file, upload it to a database and/or twitter
  6. Expand and extend your setup

This guide was first published on Dec 03, 2014. It was last updated on Dec 03, 2014.

This page (Make it!) was last updated on Feb 14, 2013.

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