The shape is a bit different, but both boards work as intended. Both have LEDs, but the Gravitech LED is on whenever a card is inserted (I think using the socket’s mechanical card detect switch) and the Adafruit LED blinks while data is transferred to/from the card, which I think is the more useful function. Both have “push/push” type sockets (to release card, push in, it clicks and springs back out). They are from different vendors; the Gravitech sockets seemed to have a bit more friction and were more sticky overall, and tend to grab on to the cards rather than release them cleanly, but they seem to improve a bit after a few cycles.
Looks like we did good, our LEDs blink on data transfer and our sockets release cleanly out of the box The SD sockets are always hit or miss depending on the maker.
Good news everyone! A new free and open source USB stack is now available for PIC microcontrollers. Today we finished testing and prepared a simple echo test that works with PIC 18F and 24F. We hope a demo release will get more developers involved. A release package and overview are in the forum. As always, thanks to Honken and JTR for making this possible.
Microchip has a free-as-in-beer USB firmware for the PIC microcontroller, but it can’t be redistributed. For a project like the USB IR Toy, we can give you our source code but not the USB source. You have to get that on your own from Microchip. It’s not a huge problem, but it is a barrier for people new to PICs. We used the Microchip firmware because it works great and there wasn’t an alternative.
Manufacturing Monday – Microscope inspection… When your parts get small, it can get really tough to see whats going on with them. Especially if your vision is only so-so, having some assistance with inspection is an easily solved problem. When we were at school, the lab had a really sweet confocal microscope. You could really see quite nicely and solder while looking thru the microscope. It was wonderful but unfortunately a bit too expensive for the common user.
Now we have our own lab, and instead of a massive scope, we decided to go with a more portable USB microscope. These are neat in that you can easily take photos/screenshots – but you do need a computer to view the images which makes it a little less flexible than a full microscope.
A new lower-limb prosthetic developed at Vanderbilt University allows amputees to walk without the leg-dragging gait characteristic of conventional artificial legs.
Rapid advances in manufacturing technology point the way toward a decentralized, more customer-centric “maker” culture. Here are the changes to consider before this innovation takes hold by Tom Igoe and Catarina Mota
At a research meeting in late 2010, a primatologist studying monkey genetics took a tour of a university’s digital fabrication shop. She mentioned that her field research had stalled because a specialized plastic comb, used in DNA analysis of organic samples, had broken. The primatologist had exhausted her research budget and couldn’t afford a new one, but she happened to be carrying the old comb with her. One of the students in the shop, an architect by training, asked to borrow it. He captured its outline with a desktop scanner, and took a piece of scrap acrylic from a shelf. Booting up a laptop attached to a laser cutter, he casually asked, “How many do you want?”
Gestalten.tv is proud to present an exclusive video interview with Marilyn Neuhart, author of “The Story of Eames Furniture”, and her husband John. Both have worked with the Eames Office in various capacities from the 1950s. Having been in close proximity to Charles and Ray Eames as well as the members of the Eames Office and their patron manufacturers for almost 30 years, the Neuharts had the extraordinary opportunity to absorb their stories. At their Los Angeles home, they tell the tale of working with Charles Eames in Gestalten.tv’s latest look behind the Eames.
Please try this out, as we’re planning to release 1.0 soon (around Sept. 15th).
There’s lots of new stuff, including progress bar and status bar board and serial port displayed ported over from Wiring. Also, URLs in the IDE are now clickable, so you can go straight to documentation for the examples. There’s something of a list on the wiki: http://code.google.com/p/arduino/wiki/Arduino1
The improvements are thanks in large part to the efforts of Christian Maglie, who’s been working with Arduino for a while now and has been helping out with the software for the last few weeks. Thanks Christian!
This is really neat, so many DIY AMBIlight clones for people who already have a TV. Would be neat to take the PC out of the picture. Are there any NTSC/PAL decoding solutions out there (that dont require an FPGA)? You could do some super-basic color analysis that way…
I just wanted to commend you guys on your encouragement of open source development. I recently read an article on ars technica explaining what you were offering and that you also donated money to EFF. thank you for supporting and encouraging open source software and development – AJ.
Power’s out due to tropical storm Irene, but there’s still sunlight out. So, I’m using a solar panel, an Adafruit adjustable breadboard power supply, and a USB hub to power my Sprint Overdrive.
Dear customers, any orders placed will be processed and shipped – but may be delayed due to the weather in the NYC area. We’ll update the site as new information and updates come in. It’s likely not a good idea to order something overnight and expect it to arrive the next day over the weekend or Monday, Tues, etc. Thanks!
It’s easy to send data from just one sensor or button on the Arduino to Max/MSP for further processing and routing to music applications. Take the following example, which reads a potentiometer from Arduino analog input pin 0 and sends this data to Max/MSP as a serial stream of bytes. This stream of bytes has a data range of 0 – 127, perfect for MIDI control applications.
Once the data has been received in Max/MSP, it can be routed to a ctlout object, thus allowing control of any parameter in any application that accepts MIDI continuous controller inputs.
Printable catalog (PDF)
The SD sockets are always hit or miss depending on the maker.
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