Micro Power Snitch

Periodically send a wireless data packet using energy harvested from a Current Transformer

GitHub repository: https://github.com/jeelabs/embello/tree/master/projects/mps

Status 2015-05

  • Final build with custom PCB, works as intended
  • In DC operation the polarity shown on the schematic for the CT connection is reversed
  • Design files are in the mps area of the Embello GitHub repository
  • Depending on PCB rev, Q2, Q3 and others may need special orientation:

Weblog posts

Introduction - Feb 2015

Micro Power Snitch, part 2 - Feb 2015

Micro Power Snitch, part 3 - Mar 2015

Micro Power Snitch, part 4 - Mar 2015

Micro Power Snitch, last part - Mar 2015

Micro Power Snitch, part 6 - Apr 2015

Micro Power Snitch, part 7 - May 2015

Micro Power Snitch, success! - May 2015