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Update: Check out this blog entry with the creator of the IOIO featuring my photo: engineerblogs.org/2012/03/an-interview-with-ytai-ben-tsvi...
This Sparkfun treat arrived late last week and I have been utterly consumed by my class until now. So I broke out the new Android IOIO board from Sparkfun, a convenient package all wrapped up and ready for easy access from the Dalvik platform. I have the board cabled to my Nook Color.
In this photo, the app on the left, "Hello IOIO" simply toggles the yellow LED next to the microcontroller. The RED LED signals power. This board requires external power and can power the attached Android device if there is enough current to power everything in the circuit.
It's a convenient platform. One can imagine using it as a versatile physical computing interface for common and inexpensive devices like the Nook or cast-off Android phones.
Microchip's 16-bit PIC24F microcontroller (MCU) family combines eXtreme low power (XLP) technology, low price and availability in low pin count packages for the most cost-sensitive consumer, medical, and industrial applications.
Lissajous figures are interesting curves that occur in systems where oscillation happens in more than one direction, for example when a pendulum hanging from a string moves in the plane.
These pictures are from an easy persistence of vision approach to playing with Lissajous figures. Read more about this project here.
Microchip's MRF89XAM8A (part # AC164138-1) and MRF89XAM9A (part # AC164138-2) PICtail™/PICtail Plus Daughter Boards are expected to be available in Calendar Q3 2010, to enable development of 868 and 915 MHz applications, respectively. These daughter boards plug directly into the Explorer 16 and PIC18 Explorer boards for easy, modular development with hundreds of 8-bit PIC18, 16-bit PIC24 and 32-bit PIC32 MCUs, as well as the dsPIC® DSCs. These tools are available at www.microchip.com/get/9DWX.
This is the MSP430F5438 microcontroller from Texas Instruments. The 40 megapixel die photo had to be significantly reduced in order to fit Flickr's limit, so email me if you'd like it in full resolution.
These days we are living and surrounding by many tiny computers called embedded products. Unlike the general purpose desktop computer that we use for browsing or typing our email, this tiny computer is designed to do only a limited specific task. For more information you could visit www.ermicro.com/blog/?p=1334
Reflow = easy mode.
And this CNC board is significantly less painful to assemble than the previous one.
I got around to trying the circuit board I built yesterday and it works! Shown here is a PIC 12F675 microcontroller (mcu) running the mcu equivalent of Hello World, making an LED blink.
A microcontroller is a very small computer, here shown in the black package which is a little bit bigger than a quarter-inch on a side. They vary widely in physical size and capabilities and are typically used as the brains of control circuitry such as fuel injection systems, smart battery chargers, stuff like that, on up to fairly powerful devices like MP3 players. There's a hobbyist community centered around them and people come up with some pretty interesting stuff.
The idea behind a Hello World program is that it's the minimum necessary to show that you are able to develop a working program in whatever environment it is you're using. For most computer languages, you're able to assume some kind of device that can output text, whether an old-style terminal console or a web browser or whatever (and the traditional text, attributed to Brian Kernighan in the early 70s, is "hello, world.") With a microcontroller, though, the simplest setup doesn't have any text output. Instead, a light-emitting diode (LED) is connected to one of the chip's pins and a program written to make it blink. Blinking is the simplest way to show that the program is running - steady-on might happen by accident depending on how the circuit is wired. The blink shows both that the program is executing properly and that it's running at the speed you expect.
The way MCU development works is that you write the program for the little chip on a PC and send it (nowadays) through a USB cable to a device called a programmer. The programmer configures the MCU's memory to contain your program and off you go; newer programmers like the PICkit 3 pictured here are also able to let you run the program one instruction at a time and observe its behavior on the development PC. The circuit shown here doesn't support that, but I don't use that functionality much anyway - my projects tend to be more complex than Hello World but not hairy enough to need that kind of debugging power.
I built this little setup so that I could make MCU-based projects for my new year 2012 resolution of making some object every week. One problem I've had with my electronics hobby to date is that I never finish anything; it's enough for me to show that I can get something working, then I don't take the last step of putting it in some sort of durable form that can then be presented to someone and used. Mostly, that's not really a problem, since there isn't any obligation for a hobby to produce useful things. But I would like to actually put some stuff in peoples' hands.
The PUT oscillator circuit worked, but the sound was disappointingly quiet. Photo by David Henshall.
My barcode-reading robot, RALPH (Robot Abstraction for Learning Programming Heuristically). It's the prototype/proof-of-concept for an educational tool. More information will (eventually) be here.
Together with the experience of the promoter in projects involving Government Sectors and Private Industrial Sectors,Techon Electro Controls now looks forward to participating in the International projects to carrying out Design, Manufacturing,Installation and commissioning of Small,Medium & Large Captive Power Plants as well as complete power utilization & distribution solutions.
Lissajous figures are interesting curves that occur in systems where oscillation happens in more than one direction, for example when a pendulum hanging from a string moves in the plane.
These pictures are from an easy persistence of vision approach to playing with Lissajous figures. Read more about this project here.
Atmega8 based usb-programmer for avr microcontrollers.
More infos at blog.gut-man.de/2009/10/04/usbasp-usb-avr-programmer/
Robot Charlie's radio transmitter, it has an AVR ATMEGA168 microcontroller inside to take the data from the Wii Nunchuck, decode it, and transmit the decoded data with a radio transmitter.
My friend wanted something he could install in his truck that would make it so his taillights would flash a couple times when he stepped on the brake, so they'd be more attention grabbing. Since that sounded like something I could make, I made one for his Christmas present.
This was taken using his present to me, a new lightbox. It seems there's perhaps a little more to using one of these than I previously thought.
Final Year Projects, IEEE Projects, IEEE Projects Chennai, IEEE Projects 2011, IEEE Projects 2010, Embedded Projects, Embedded System Projects, Projects at Chennai, Projects in Chennai, Engineering College Projects, BE Projects, BTech Projects, ME Projects, MTech Projects, IEEE Projects, Projects in IEEE, Projects in INDIA, Final Year Projects in Tamil Nadu, Microcontroller Projects, VLSI Projects, MATLAB Projects, ATMEL Projects, DSP Projects, IEEE VLSI Projects, IEEE DSP Projects, IEEE Matlab Projects, IEEE Microcontroller Projects, IEEE Microcontrollers Projects, IEEE Embedded System Projects, IEEE 2011 2010 2009 Projects, IEEE on Embedded System, College Projects, Engineering Student Projects, Projects Chennai, Projects Tamil Nadu, Projects Coimbatore, Projects Madurai, Good Final Year Projects, Low Cost Final year Projects, Diploma Projects, Final Year Diploma Projects, Final Year Polytechnic Projects, ME Engineering Projects, MTech Projects, Real Time Projects, Embedded Microcontroller Kit Projects, Model Projects, IEEE Project Domains, Robotics Projects, MEMS Projects, Telecommunication Projects, Biomedical Projects, GPS Projects, GSM Projects, VLSI Projects, CPLD Projects, FPGA Projects, Blackfin DSP Projects, ADSP Projects, Power Electronics Projects, Power System Projects, Zigbee Projects, Electrical Projects, Communication Projects, RFID Projects, VOICE HM2007 Projects, RF Projects, Wireless Projects, Wireless Communication Projects, Finger Print Projects, IEEE Power Electronics Projects
PIC® MCUs featuring nanoWatt XLP eXtreme Low Power Technology are useful in designing embedded applications with extremely low power consumption. Benefits of nanoWatt XLP Technology include:
â– Sleep / Power-down current down to 20 nA
â– Brown-out Reset down to 45 nA
â– Watch-dog Timer down to 400 nA
â– Real-time Clock/Calendar down to 500 nA
For more information, please visit: www.microchip.com/XLP
angelo fraietta's bluetooth mini cv microcontroller and ADXL accelerometers for my sounding out grant...
Talks and performances by people doing strange things with electricity
Fri 23 March 2012, 6.30-10pm with interval at the Showroom Cinema, Sheffield.
Dorkbot is a meeting of people interested in electric/electronic art in the broadest sense; robotics, kinetic art, microcontrollers, interactive art, algorithmic music, net.art... The only real conditions are that it is a bit strange and involves electricity in some way. It is really defined by whoever turns up, be it engineers who want to be artists, artists who want to be engineers, or the otherwise confused.
This MEGADORK event features a cabaret of talks and performances from among the UK's dorkiest, to entertain and amaze:
Paul Granjon - A strange performance from the world renowned self-styled robot artist.
Patrick Tresset - Talks about his drawing robot Paul (on show as part of the Alan Turing: Intuition and Ingenuity exhibition).
Daniel Jones and James Bulley - talking about generating live music from patterns of weather.
www.variable4.org.uk/about/intro
Sarah and Jenny Angliss - playing robot music from past futures.
spacedog.biz
Sergi Jorda - talks about the Reactable tangible tabletop music playground (which you'll be able to try out at the Central Library Saturday 24 March)
Dan Stowell - Demonstrates his use of the Risset illusion in techno music.
Silicone Bake - Live coded pop songs about love, death and counterfeit watches, where all lyrics are taken from spam emails.
Megadork is curated by Alex McLean.
Dorkbot started in New York, spread to London, and now dozens of cities around the world, including several active UK chapters; Sheffield, Bristol, Anglia, Newcastle, Cardiff and Alba (Scotland). Find out more at: www.dorkbot.org
Lovebytes 2012 - Digital Spring
A Festival of Art, Science and Technology
22-24 March
Sheffield UK
Version 1.1 of our open-source ATmegaXX8 AVR development target board. Read more about this project and download the design files here.
The processor is an ATmega168V AVR microcontroller.
Made from a fluorescent clock kit (adafruit.com). It's a really well thought out design that's both easy to assemble and fun to make. In the end, you've got a cool and functional clock.
You can watch a high speed video of me putting it together over at Vimeo: vimeo.com/9153860
AVR microcontroller driving a stepper motor (and displaying the current temperature, as well as the answer to the ultimate question). "Orange" indicates the wire being powered at that instant. You can just see a faint "Black" -- that was the previous wire to be energized.
An Atmel ATtiny24 microcontroller drives an R/C servo wich in turn rotates a line LASER taken from a LASER level.
The microcontroller runs a software real time clock and turns the servo and the line LASER to mimic the shadow cast from the style of a sundial as the time goes.
The MC13224 from Freescale is a ZigBee System-On-Package device. The three dies pictured are the microcontroller, radio, and flash memory.
The kiibohd PCB makes use of the open sourece MC HCK microcontroller (mchck.org). This is the first keyboard I’m aware of that has used it.
This is a high-res scan of the PCB, for those that care. The little extra PCB up top is the PIC microcontroller added by RetroZone to convert this into a USB paddle.
An Atmel ATtiny24 microcontroller drives an R/C servo wich in turn rotates a line LASER taken from a LASER level.
The microcontroller runs a software real time clock and turns the servo and the line LASER to mimic the shadow cast from the style of a sundial as the time goes.
Lissajous figures are interesting curves that occur in systems where oscillation happens in more than one direction, for example when a pendulum hanging from a string moves in the plane.
These pictures are from an easy persistence of vision approach to playing with Lissajous figures. Read more about this project here.
Arduino motor controlling shield.
#programming #atmel #electronic #embedded #learning #arduino #motor #coding
Picaxe microcontroller project: thermostat. The serial 7 segment display (from Sparkfun) shows actual temp in Fahrenheit. Setpoint adjusted with the potentiometer on the right. (display alternated between showing setpoint and actual temp) The microcontroller is the Picaxe 18X in SOIC form on the bottom, temp sensor is the Dallas 18B20, mounted on the wires to the right. Heater is controlled by an Omron 653-G3MB-202P4DC5 solid-state relay (black box left of 7 segment display).
Arduino Microcontroller Programming course for engineers & tech-students in Sri lanka. Visit www.technoplus.edu.lk
#learn #coding #srilanka #arduino #programming #electronics #microcontroller