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The Arduino Uno is the most common of the Arduino boards. It is based on the ATmega328P microcontroller.

3
votes
The ATMega PWM hardware underlying the Arduino primarily supports changing the duty cycle; the frequencies can only be selected from a few fixed choices. Typically the timers run from 0 to 255 or 655 …
answered Sep 25 '14 by Zeph
1
vote
It sounds like your first need is a way to send the bytes back and forth. A secondary question will be what that data should consist of (eg: text commands, binary commands, etc). Let's tackle the "h …
answered Sep 11 '14 by Zeph
0
votes
There are a number of ways to get more inputs and outputs, with different implications. And it depends on the types of sensors, and on the libraries or code snippets you want to use. The first thing …
answered Mar 15 '16 by Zeph
1
vote
When you mentions "loud sounds (i.e, a mic reading of ~600)" I'm guessing that means you've successfully connected the mic to an ADC input and you are referring to analog readings, right? (If not you …
answered Apr 25 '14 by Zeph
0
votes
If you are using different serial ports for each device (eg: using software serial for at least one of them on a Uno, or using separate hardware serial on a Mega2560), then it really doesn't matter wh …
answered Apr 25 '14 by Zeph
0
votes
So you want three serial ports: upload/debug (hardware serial), GSM (software serial) and GPS (software serial). Unfortunately, two SoftSerial ports are not going to work at the same time (or even se …
answered Apr 25 '14 by Zeph