Category: Raspberry Pi

Videos: Wireless RF Remote & Receiver! Easy & Cheap! Great for Arduino and Raspberry Pi!

Yes, this is basically advertising for some boards and keyfob remotes sold by Adafruit, but it’s still interesting that this can be done so inexpensively!

Link and video: Add Voice Control to Your Home with LightwaveRF and a Raspberry Pi

Voice control of our home electronics was promised long ago, but it’s still one of those things that most of us don’t have. If you want to add little voice control to your home on the cheap, blogger Chipos81 shows off how to do it with a Raspberry Pi.

Read more here:
Add Voice Control to Your Home with LightwaveRF and a Raspberry Pi (Lifehacker)

Link: Remotely control your Raspberry Pi

Take control of your Raspberry Pi from your smartphone, tablet or PC, from anywhere in the world

People are starting to do all kinds of things with their Raspberry Pi, like having it open and close a garage door, automate lighting and heating in the home, and so on. Even if you don’t yet have a project like this, this tutorial will still serve as a useful introduction to writing web applications with Python.

Full article here:
Remotely control your Raspberry Pi (Linux User & Developer)

Link: Raspberry Pi – Driving a Relay using GPIO

There’s something exciting about crossing the boundary between the abstract world of software and the physical ‘real world’, and a relay driven from a GPIO pin seemed like a good example of this. Although a simple project, I still learned some new things about the Raspberry Pi while doing it.

Full article here:
Link: Raspberry Pi – Driving a Relay using GPIO (SusaNET)

Related artcle:
Tutorial: How to use your Raspberry Pi like an Arduino (Limina.Log)

Link: OctoPi – 3D Printer Web Server Distribution for the Raspberry Pi

I am happy to say that I am a backer of the Rigidbot 3D printer, (which you can pre-order already), I am expecting it to arrive in August. In the meantime, I have ordered a Raspberry Pi to play with and started visiting a local maker community known as XLN.

This led me to find a really cool project called OctoPrint, which lets you control 3D printers using a Raspberry Pi over a web interface, however people were not installing it on their Pis because there was no out-of-the-box solution. Today I am happy to announce that a solution is here! I give you Octoprint + Rapberry Pi = OctoPi. A raspberry Pi distribution which runs OctoPrint out of the box, with support for time-lapse video on webcams (there is also an experiential version in the works that supports streaming from a raspberry Pi camera).

Full article here:
OctoPi – 3D Printer Web Server Distribution for the Raspberry Pi (Guysoft’s Weblog)

Link: Say hello to PiCast, the open source solution to Chromecast using a Raspberry Pi

There is a lot to love about the Chromecast. It lets you stream your browser, your desktop, and a number of apps directly to your TV with little more than a $35 dongle that plugs into HDMI on your TV. However, lately, a few problems have arisen. For one, it’s really difficult to find one unless you’re willing to wait weeks for the next stock to come in. Additionally, the root method that was discovered over at XDA has since been patched. So Google isn’t letting everyone play fast and loose with their new dongle. It’s still a great device, but it’s not perfect and now there is an alternative called PiCast.

PiCast was started by a developer named Lance Seidman. The premise? To use a $25-$35 Raspberry Pi computer to do almost exactly what Chromecast can do. It’s an open source project that’s currently in development and it has a lot of promise.

Full article:
Say hello to PiCast, the open source solution to Chromecast using a Raspberry Pi (AndroidAuthority.com)

Video and Link: Turn a Raspberry Pi Into an AirPlay Receiver for Streaming Music in Your Living Room

Few things are better than kicking back on the couch and streaming your favorite album wirelessly to your stereo from your phone. It’s a remarkably easy thing to do with AirPlay, but if you don’t want to pay for Apple’s solutions, a $35 Raspberry Pi does the job remarkably well.

Full article:
Turn a Raspberry Pi Into an AirPlay Receiver for Streaming Music in Your Living Room (Lifehacker)

Link: How to Add USB Storage to the Raspberry Pi

You will find that in order to add, store and remove data to a Raspberry Pi, you have three main options:

  • SD/SDHC card
  • USB flash drive
  • USB hard disk drive

You can also use network drives, USB DVD-R drives and NAS devices (perhaps powered by a Raspberry Pi!) for additional storage, but those listed above should be considered your three primary options.

We’ll take a look at the three options in more detail, how they can be used most effectively and at any shortcomings or drawbacks.

How to Add USB Storage to the Raspberry Pi (MakeUseOf)

Links: Alternative ways to power a Raspberry Pi

Sorry this is not a complete article, just a few links of interest for those who might be looking to provide power to a Raspberry Pi using alternative methods. We may add to this list later on if we find any more good resources on the subject.

How do I supply power through the GPIO? (Raspberry Pi Stack Exchange) — note that the short answer is, “you shouldn’t”, but the discussion is worth reading.

Troubleshooting power problems (from the R-Pi Troubleshooting page at elinux.org) — more information about how the Raspberry Pi is powered.

RPi 5V PSU construction (elinux.org) — for those that might want to build their own.

Running The Raspberry Pi On Batteries (Dave Akerman) — includes several tips for cutting power consumption.

Raspberry PI UPS (jkliemann.de) – an uninterrupted power supply for a Raspberry Pi.

Not such a great deal on a VoIP PBX?

Is this the worst deal ever on a VoIP PBX? Probably not, but in our opinion it’s certainly not the best deal by a long shot, unless maybe they are providing a GREAT support package. See this thread on the PBX in a Flash forum. Interesting that their ad says “All products are sold on a No Return Basis.”

In case you’re not quite getting the picture, we’ll point you to this totally unrelated article. 😉 Compare what you see there with what’s pictured in the ad at the above link. We cannot know for sure that the innards of that ~$350 PBX are actually a ~$35 Raspberry Pi, at least not unless someone purchases one and disassembles it to find out, but you can definitely spot some similarities in the placement of the various input/output ports.

Rather than purchase any device costing a few hundred dollars on a “No Return Basis”, you might want to consider just getting a Raspberry Pi and using one of the distributions mentioned in our article, Asterisk on a Raspberry Pi – which distribution is best?. Even if you don’t agree with our conclusions in that article, any of the distributions mentioned there would probably be a better choice in the long run. But, that is just our opinion.

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