Homebrew touch probe… now if it only had a ruby

Homebrew touch probe This is amazing, a guy builds one from scratch. Now, if he had a ruby, that would be really impressive, but non the less, this is cool. I do wonder about the long term longevity of such a device. Low voltage switching without noise and glitches is tricky, especially without prepping the […]

Manifold Absolute Pressure Sensor cheap and simple MPX4250A

MPX4250A.pdf (application/pdf Object) These are cool, really cool. They have built in temperature compensation and signal condition, witha sensing range of 2.9psi to 36.3psi. A great part for automotive vacuum measurement, as well as boost control (and a whole lot less money than the 3bar GM MAP sensor commonly used by the DIY community. Of […]

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