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September 2015 - Circuit Crush

Month: September 2015

Igaging Micrometers and Calipers

I’ve added the Igaging SpeedMic and OriginCal to our list of Arduino connected Mitutoyo measurement equipment (Micrometer, Caliper, Dial Indicator, and DRO Scale). I made some improvements to our Mitutoyo Instructable to facilitate connection to the Igaging equipment. The Igaging SPC enabled gear is Mitutoyo compatible, using the same 52 bit data stream. It even …

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Shift Registers – Unlimited Inputs With Only 3 Data Lines?

Last week we demonstrated how to use an output shift register (74HC595) to control 8 LED’s with only 3 data lines. Since shift registers can be daisy chained, the number of LED’s can be virtually unlimited. This week we wanted to show how to use an input shift register, the CD4021. 8 push button switches …

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