Our DT Technician has made a wid tunnel so kids can test designs. The kids are making windmills and testing how many volts their design generates. We have a handheld Voltmeter but we want to show this on the projector.
Does anyone know of a USB (or similar) device that we can plug into the computer to show this? Or is it a case of using the handheld one and pointing a web cam at it?
You'll be wanting a data logger really for voltage. There are these that you can use to record data and then download to a PC. Not sure about ones that will offer a live view like those for light/temp/sound etc.
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