gazillions of ways.<br><br>of the top of my head.<br>separate the hot and neutral lines in the power cord.<br>cut one. and wrap some turns around a ferrite torus Say three or four. some experimenting needed.<br>then wrap another wire, say # 22 also around the wire. <br>
say 20 turns. you just made a transformer. output voltage = 20 * ( voltage drop in the 4 turns )/4<br>with small amp and rectumfier < tm > convert to DC and<br>hook that up to a single board computer, say a Raspberry Pi. and go to town.<br>
There are a bunch of accessory boards....<br><a href="http://elinux.org/RPi_Expansion_Boards">http://elinux.org/RPi_Expansion_Boards</a><br><br><br><br><br>Ages ago I had connected the heat line from my furnace into the a-d input on my Amiga and<br>
logged it. New furnace, Amiga gone...<br>I'm just starting a project to get a raspberry pi and using it to track <br>thermostat requests for fan,heat,cool, and maybe air pressure diff between the sides of the<br>furnace filter ( eg when is it time to replace filter ).<br>
<br>Pi can access wifi ( with dongle ) and you can pull the data via ssh or ...<br><br><br><div class="gmail_quote">re:....<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div><div style="font-size:14pt;font-family:times new roman,new york,times,serif"><div>I'm a new home owner, and I have a sump pump in the basement that I would like to monitor electronically.</div></div></div></blockquote>
<div><br><snip><br></div><br><br><br></div>