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Making a servo tester using an Attiny85 micro chip, Attiny45 also works for this project. This diy servo tester is as good as ...

So I'm tired of only being able to use a flashlight to test multimode runs and patch cables. I'm not talking about certifying runs, but just getting light to either end to see if the darn thing is ...

We may receive a commission on purchases made from links. If you have leggy or struggling plants, it's often a sign that you should test the soil's pH level. You can invest in professional testing; ...

A new health-tracking device may cut down on your doctor visits, said Ainsley O'Connell at Fast Company. The gadget, called Cue, "puts lab-quality medical testing in the hands of consumers." Using the ...