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♪ Control ♪
Hello.
We're demonstrating the elegant I²C interface
for the SM124 Smart Magnetometer.
We're using an Arduino Micro as an I²C master,
and Realterm freeware to monitor data from the Arduino.
The sensor is in this socket...
We've set a 10 oersted threshold.
The LED shows the sensor's digital threshold output.
In turns on here.
Then we changed the threshold to one oersted...
And, as expected, it operates much farther away.
Here's the Arduino program
to write parameters
and read data.
There's not much to it, since everything's a single byte,
and its memory-centric architecture eliminates the need for any commands.
So we've seen that the SM124 smart sensor:
• has a ridiculously simple I²C interface,
• with no waiting for data;
• no concatenation needed;
• no set-up commands,
• in fact, no commands at all;
• and no error handling required.
Call, click, or e-mail us for more information,
or to buy SM124 sensors and evaluation kits.
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