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If you’re new to the IoT or have never worked with electronics, you may be wondering how you’re going to get your ideas for an IoT solution realized. The projects in this book walk you through how to connect the various components used, and thus you can complete them without a lot of additional information or specialized skills.
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Older multimeters have an analog gauge. You can still find them if you want a bit of old school feel.
Yes, a bit of OCD there. Check, double-check, check again.
A variant of Ohm’s law ( https://en.wikipedia.org/wiki/Ohm's_law).
Shocking, isn’t it?
Broadly, the term pull up means to raise voltage to the reference voltage of the circuit (think “positive”), and the term pull down means to lower voltage to zero (think “negative”). See www.electronics-tutorials.ws/logic/pull-up-resistor.html for more details.
This depends on the width of the parallel buffer. An 8-bit buffer can communicate 1 byte at a time, a 16-bit buffer can communicate 2 bytes at a time, and so on.
I for one can never tell which detector is beeping, so I replace the batteries in all of them.
Accuracy may depend on environmental variables, such as elevation, temperature, and so on.
- Electronics for Beginners
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