September 2017
Intermediate to advanced
206 pages
4h 34m
English
Content preview from Intelligent IoT Projects in 7 Days
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Hall Effect sensor
The Hall Effect sensor works on the principle of the Hall Effect of magnetic fields. The sensor will generate a voltage that indicates whether the sensor is in the proximity of a magnet or not. This sensor is useful to detect vehicular presence, especially vehicles coming in and going out of the parking area.
There are ICs and modules that implement the Hall Effect. For instance, you can use a transistor, US1881. You can read about and buy this sensor from SparkFun (https://www.sparkfun.com/products/9312). This transistor may also be available in your local electronic store:
Now we can try to develop sketch program to read ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.