To set the threshold voltage for unit below, a variable power supply is needed... Below is a simple one based on the industry workhorse, LM317... Click image to go to source site...
LM317 is a very versatile component... Download the datasheet here to see other applications using the same component...
What is Water Softener
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A water softener eliminates minerals that make water hardness, one of the
most widely recognized water quality issues a mortgage holder experiences.
Hard ...
2 days ago
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