digital display

Hello all, I will start off by saying that I don't know <snip> when it comes to circuit design or anything of that sorts, I am familiar with stuff like resistors, transistors, pots, and components like that, but I do not know about complex circuit design. I turn wrenches for a living and would...

I am doing a project on automating a hydroponic system to grow tomatoes. I need a TDS sensor to measure Total Dissolved salts. I searched a lot for a sensor but I was not able to find a sensor that satisfies my requirement. I need a sensor that can measure high ppm. But, the sensors are only...