In all but the most pedestrian of cases, you really should consider some form of input protection between your sensors and your computational platform. In my “Beginner’s Guide to Sensor Interfacing ...
This post explains about the design, development and operation of the Celsius scale thermometer using LM35 and microcontroller AT89C51. The circuit works on the principle of analog to digital ...
A way to apply the output of certain sensors to a TTL/CMOS-level iput on a microcontroller. Sensor must have an NPN output stage that can support a pullup to its power rail. With just a few components ...
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