Questions tagged [communication]

Exchange of information between devices. Communication can be wired or wireless.

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8
votes
9answers
3k views

What are the ways I can make my circuit communicate with a computer?

I am a novice at electronics hacking. I would like to know how I can make a circuit communicate with a PC. Take for example, a simple circuit, with one LED and a switch. The switch on the circuit ...
7
votes
2answers
11k views

Power line communication principles

What are the principles of implementing Ethernet over power lines ? Is it reasonable/possible to create an Arduino shield which will provide both power & network ? (properly isolate the "dangerous ...
36
votes
13answers
21k views

Software to create timing diagrams

In my professional life, I sometimes need to create timing diagrams for protocols: UART, SPI, etc. However, I can't find any good programs available. What programs can be recommended for this and what ...
8
votes
5answers
985 views

What is the most popular embedded serial bus? [closed]

I'm designing an embedded device that I would like to make interoperable with third party peripherals through a serial bus. Should I choose SPI, I²C, or some other bus? The peripherals will be ...
9
votes
4answers
2k views

Communication between microcontroller and separately powered PCB

On one board I have a microcontroller with one power supply and on another I have a Flip Flop with a separate power supply. I want to connect a pin of the microcontroller to the reset pin of the flip ...
0
votes
2answers
447 views

Light Modulation and Detection

IR light is the mainstay frequency for optical communication systems. How could I experiment with UV frequencies doing the same thing? Ideally I want to set up a serial link just as is often done with ...
9
votes
4answers
3k views

How long between Arduino digital pin and IC?

My current project involves using 74HC595 shift registers to control an LED display, however the display could be up to 5 or so metres away from the Arduino board. The plan is to use some DB9/RS232 ...
4
votes
8answers
2k views

It's been more than 10 years (since I designed hardware with RS-232), and we're still using RS-232?

Are there any alternatives to this ancient yet still popular way of communication?
10
votes
4answers
499 views

Sharing and Notating Schematics?

So a friend and I were talking about schematics at work and how we can better communicate among us and our co-workers. I know Kortuk had asked a question previously that was similar, but that question ...
22
votes
11answers
29k views

Injecting a communication signal over DC power supply lines

I'd like to be able to daisy chain multiple devices using just the power supply wires and then inject a communications signal over the power lines to turn it into a half duplex network. Are there any ...
13
votes
8answers
25k views

Wireless communication over long distances

Would like to communicate between an Arduino and a PC but over a distance of 2500+ feet outside in the open, wirelessly. What would be the best way of doing this? The communcation devices I have ...

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