We're building a conductivity sensor w a breadboard & a 555 IC (an old friend) #ona16breakitpic.twitter.com/AFt3z6rJ6u
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We're building a conductivity sensor w a breadboard & a 555 IC (an old friend) #ona16breakitpic.twitter.com/AFt3z6rJ6u
Not sure we're building this puppy to spec, but @christinesunu is a great electronics instructor #ona16breakitpic.twitter.com/vC6x89PtXC
This is how the conductivity sensor works to detect potential water pollution #ona16breakitpic.twitter.com/Xx4uP4qyrj
Our own sensor probably needs more work (haven't tinkered like this in decades) #ona16breakitpic.twitter.com/D4n0l7WS1B
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