The UART will then store those bytes (up to 64 bytes, in fact) in the serial receive buffer. When bits of data start streaming in from your computer, a piece of hardware on your Arduino called a universal asynchronous receiver/transmitter (which can be shortened, thankfully, to UART) will assemble each of the 8 bits into a byte. But when data arrives at your Arduino, where does it go? The answer is the serial buffer - or more precisely, the serial receive buffer. We also know that the Arduino Serial Library is a set of serial communication tools. OK, we know that serial communication over USB is how one device can talk to another. Programming Electronics Academy members, check out the Arduino Course for Absolute Beginners to practice using the Serial Library in your code. Just bear in mind that the Serial.read() function is part of a larger Arduino Serial Library. So what tools live inside this library? The Serial library has functions like:ĭon’t worry about what each of these functions does for now. The Arduino Serial library is just one of the many libraries you can use. Arduino libraries bring together a bunch of software functions that help you with specific tasks. It’s the same thing with Arduino libraries. Another might be for polishing the heads of bald folks to a high glossy shine. And, of course, you may have a whole bunch of similar drawers. A good way to do that would be to set up a drawer in your barber shop to hold all your hair-cutting tools in one place.Įvery time a customer walks into your fine establishment for a haircut, all you need to do is open your drawer, and everything you need is right there in easy reach. So, imagine you’re a barber, and you want to cut hair as efficiently as possible. Programming Electronics Academy members, learn how to choose, install, and use Arduino libraries in the Arduino Course for Absolute Beginners Code Libraries section.Īn Arduino library is basically a bunch of code that has been bundled together to make your life easier.
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