This post comes to you live from the Raspberry Pi Jamboree in Manchester, England which is being held as part of the Education Innovation Conference & Exhibition at the Manchester Central Conference Centre this week.
We had a need for a compact Arduino compatible board, with built in USB. The functionality of the Arduino Leonardo was perfect for what we wanted to do, however the Arduino Leonardo's size was too big for our project.
I don’t know if it is the recent success of the movie but I have heard the brand Lego bandied about a lot lately. Jay Park used it to describeFacebook’s new pre-fab way of designing data centers earlier this week. And late last week I heard it used again, this time to describe a new make-your-own computer kit called Kano.
With the Arduino sketches [Jakub] wrote for his load he was able to characterize a pair of Idea batteries and figure out how much charge a three-year-old recyclable battery had. It's a great piece of work, and if [Jakub] is willing ...
I have been exploring options for developing a control board for my home automation project. I started off with the old 74HC595 shift register and I am now currently testing out the MCP23S17 GPIO expander.
So what are the difference between these two candidates?
The 74HC595 is a shift register and allows you to gain extra output ports for your netduino or other MCU. There are a few ways of doing this but I have been focusing on using SPI. SPI is fast and it means that you can even drive things like LCD displays. Each 595 has 8 outputs and you essentially load up 8 bits of information telling it which pins are high or low. They can also be chained to give you more outputs than most situations could ever need.
As the Little Computer That Could, it's showing schoolkids there's more to computing than toiling in the Excel Mines. (In Depth: Just how popular can the Raspberry Pi get?: It's the Little Computer That Could, a little wonder that's...
Overclocking A Raspberry Pi To 1.5GHz Is More Trouble Than It's Worth Lifehacker Australia With a custom operating system and the right package installed, it's not hard to get a Raspberry Pi running at 1GHz, up from its stock speed of 700MHz.
The pressure pad doesn’t just work straight out the box – it requires a little bit of craft. What I’ve done is sandwich a pressure sensitive conductive sheet – known as Velostat – between two pieces of felt. I then stitched some conductive thread through each piece of felt – this applies a current to the pad and when the sandwich is put together, the circuit is complete. The Velostat acts like a resistor – the value changes when pressure is applied. It’s then just a case of writing out code that tells the LED to come on when the pressure reading goes over a certain threshold.
Our good friends at Adafruit put this project on their Learning System earlier this month. It's a beaut: you'll learn something making it, and it looks fantastic when set up. Before we get into the nitty gritty, here's some video: ...
[Rodot] wrote in to tell us about the Gamebuino, a very nicely designed and easily reproducible version of his handheld Arduino gaming console. We originally featured [Rodot's] Arduino based gaming console over a year ago ...
Earlier today, Broadcom announced the release of full documentation for the VideoCore IV graphics core, and a complete source release of the graphics stack under a 3-clause BSD license. The source release targets the BCM21553 cellphone chip, but it should be reasonably straightforward to port this to the BCM2835, allowing access to the graphics core without using the blob. As an incentive to do this work, we will pay a bounty of $10,000 to the first person to demonstrate to us satisfactorily that they can successfully run Quake III at a playable framerate on Raspberry Pi using these drivers. This competition is open worldwide, and you can find competition rules here which describe what you have to do, and how to enter.
Atmel's SAMA5D3 prototyping board has Arduino headers ElectronicsWeekly.com The board, which is based on Atmel's SAMA5D3 ARM Cortex-A5 processor-based MPU, has Arduino shield-compatible expansion headers for customisation.
When I wanted to develop this rover, I ended up choosing between these options - Arduino Vs. Netduino Vs. Raspberry Pi. I picked Netduino due to the fact that I'm a .NET programmer and found that Netduino would be easier ...
BeagleBoard.org has once again been selected as a mentoring organization for Google Summer of Code! This means it is time for students and potential mentors to check out the information on the program home page to find out about the program in general and discover the other organizations participating in mentorship this year. Once familiar with the program, you should check out the ideas pages for various organizations, including the BeagleBoard.org ideas page
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