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A simple circuit to switch multiple strands of EL wire on/off independently using an Arduino microcontroller. I used ST Microelectronics Z0103MA triacs.
Closely based on Cyphunk's circuit
Microchip’s 8-bit PIC® MCU Accessory Development Platform for iPod and iPhone accelerates the design of accessory products by supporting analog audio, video output, a programmable user interface, and charging capabilities. This platform supports all necessary connection and communication features via hardware and software. Microchip’s software library facilitates identification, authentication and all communication protocols, including a simple API and bootloading capability.
I have been building projects using PIC microcontrollers for years. This is one of my best devices. This is used during a speech in a Toastmasters club to inform the speaker of their time remaining. Green LEDs indicate they have spoken long enough, red means time is up, and yellow is halfway in-between. All of the LEDs are colored, even though some appear clear in the photo. The control panel and LCD display offer great flexibility in how the timer operates.
Microchip Technology's mTouch™ Projected Capacitive Touch-Screen Sensing Technology and PIC16F707 8-bit microcontroller (MCU), featuring two 16-channel Capacitive Sensing Modules (CSMs) that can run in parallel for increased sampling speed. The MCU is available today for just $0.99 each in volume and, along with the mTouch projected-capacitive technology and development kit, enables designers to easily integrate projected capacitive touch-sensing functionality into their application with a single MCU, thus reducing total system costs and increasing design flexibility.
This is a snapshop of a TV/VGA monitor displaying the output at rest (no audio input) of my simple circuit to display music on a VGA monitor like on an oscilloscope.
For more details go to :
Detail of a single chip calculator IC from 1971, arguably one of the first microprocessors or microcontrollers having a RISC instruction set in ROM and with RAM. This complex IC was drawn out by hand on Mylar film and photo-reduced 400X. Calculators became the largest market for ICs by the mid 1970s.
The Digilent Motor Robot Kit (MRK) provides the perfect starting point for those new to robotics, but has the power to be used for advanced designs and applications as well. The MRK pairs our powerful chipKIT™ Pro MX4 microcontroller development board with a rugged steel platform and all the motors, wheels, and other parts needed to build a complete robot. Using your MRK's powerful chipKIT Pro MX4, you'll be able to add all sorts of functionality to your robot. Add some of our extensive line of peripheral modules (Pmods) and you can design almost anything!
store.digilentinc.com/mrk-basic-motor-robot-parts-kit-inc...
Microchip announced from Electronica in Germany an expansion of its 8-bit PIC® microcontroller (MCU) portfolio, with the peripheral-rich, low-pin count PIC16(L)F161X family. These new MCUs introduce and expand the offering of Microchip’s Core Independent Peripherals (CIP), which were designed to reduce interrupt latency, lower-power consumption and increase system efficiency, and safety, while minimizing design time and effort. These peripherals are designed to reduce system complexity by eliminating the need for additional code and external components. Hardware-based peripherals offload timing-critical and core-intensive functions from the CPU, allowing it to focus on other critical tasks within the system. For more ino, visit: www.microchip.com/PIC16_LF161X-Family-Product-Page-111114a
Making the DEFCON 16 Badge
by Joe Grand
Joe highlights his design process and the problems he encountered during the creation of his most recent DEFCON badge. Page 54
Projects
Inductive Proximity Sensors
Circuits
by Beau Schwabe
A series resonant circuit built on a Propeller demo board is utilized in this build to detect the proximity of metallic objects. Page 36
Makin’ MIDI with mistraIXG: Part 2
Audio/Video
by Steve Russell
This time, we look under the hood of last month's design to see how the mistaIXG hardware and software work together. Page 40
Wind Your Own Transformers and Build a DC-to-DC Converter
Nuts & Volts Special
by Jim Stewart
Use this board as a platform for your switch-mode projects and experiment with winding transformers. Page 46
Columns
Techknowledgey
by Jeff Eckert
Techknowledgey 2009
Topics covered include a dual screen laptop, phone watch, motor sets RPM record, plus more. Page 12
Stamp Applications
by Jon Williams
Creating Time-Lapse Video
In the video age, time-lapse movies are not easily produced with a video camera, but as my friend (and VFX wizard) John demonstrated, one can easily create a time-lapse movie with a digital still camera and video editing software. Page 16
Q&A
by Russell Kincaid
Q & A
Measuring energy use, more on oscillators, flat panel TVs, plus more. Page 28
The Design Cycle
by Fred Eady
Demystifying USB To Serial
It's time to stop talking and start soldering. This month, you have your choice of USB projects. Page 60
Smiley’s Workshop
by Joe Pardue
Smileys Workshop: An AVR C Programming Series (Part 8)
Interrupts, I/O Registers, and the Butterfly Joystick. Page 67
Personal Robotics
by Vern Graner
Robotics on a Budget
Most towns have a thrift store or other shops that recycle and resell clothes, toys, household wares, and the like. In many cases, you'll find these stores carry lots of useful electronics that can be picked up for a song. Page 71
Near Space
by L. Paul Verhage
BalloonSat Minis
BalloonSat Minis: One small step for a PICAXE, One giant leap for a BalloonSat Design. Page 76
Getting Started With PICS
by Chuck Hellebuyck
SPI Communication
In my January column, I described the I2C form of serial communication. This month, I am covering its cousin — the Serial Peripheral Interface or SPI communication. Page 82
Mr. Geon-Mo Kang, VP of R&D at Samsung Electronics (left), receives trophy from Microchip Technology Inc. CEO Steve Sanghi (right), commemorating the shipment of Microchip's 10 billionth PIC® microcontroller (MCU) to Samsung. Microchip delivered this 10 billionth microcontroller, the 32-bit PIC32MX340F256, www.microchip.com/get/N46K, approximately 10 months after delivering its nine billionth.
Microchip Technology Inc. (NASDAQ: MCHP), a leading provider of microcontroller, mixed-signal, analog and Flash-IP solutions, today announced its partnership with Silicon Integrated Systems Corp. (SiS) to provide customers with complete projected-capacitive touch (PCAP) and 3D-gesture interface modules, which will lead to faster development and lower costs. The modules will make it easier to design multi-touch and 3D gesture displays with Microchip’s award-winning GestIC® technology, which offers a hand tracking range of up to 20 centimeters (cm) from the display surface. Hand gestures are universal, hygienic and easy to learn. In addition, they enhance safety by reducing the need for precise hand-eye coordination.
To learn more about Microchip’s GestIC technology products, visit www.microchip.com/pagehandler/en_us/technology/gestic. Additionally, SiS modules with Microchip’s GestIC technology will be demonstrated at Microchip’s Consumer Electronics Show (CES) Booth MP25656 in Las Vegas, from January 6-9, 2016.
As the electronics hobbyist one of knowledge that we have to be familiar with is how to make our own printed circuit board (PCB). Making our own simple single side PCB actually is not require a sophisticated technique and technology as you might think, instead most of the required materials is already available at your home. For more information please visit www.ermicro.com/blog/?p=1526
Fishing line power transmission.
The first time I saw the Timescapes teasers I knew I would have to build a camera slider and explore the timelapse world for myself.
After a lot of research on this forum and a lot of late nights I have finally tested my motorised camera slider.
Lego gearset (don't laugh it works a treat) fishing line power transmission, aluminium door frame extrusion, Arduino micro controller and a 12v stepper motor. Note the termination of the fishing line with stainless steel thimbles and cotton covered hair bands, this takes up any harsh speed changes or direction changes.
All my demo timelapses have worked just fine.
The attached photos might explain the build better.
Microchip’s 32-bit PIC32 microcontrollers provide a high-performance platform for developing quality digital-audio playback and accessories. The new PIC32 Bluetooth Audio Development Kit builds on Microchip’s existing stack-integrated Bluetooth audio module with a new low-cost, agency-certified Bluetooth HCI transceiver module based on a standard radio, AVRCP and A2DP Bluetooth profiles tailored for the PIC32, as well as both standard and advanced audio CODECs such as SBC, AAC and MP3. Additionally, this kit can be used with Microchip’s existing Made for iPod® and Android™ stacks. Together, these elements provide a versatile and powerful development platform with a high level of customization and flexibility. For more info, visit www.microchip.com/bluetooth
Microchip Technology's 8-bit PIC18F47J13 microcontroller (MCU) is the industry's first MCU to feature 128 KB Flash program memory in a 28-pin package. Also available in a 44-pin package, the PIC18F47J13 MCU features XLP technology for eXtreme Low Power consumption and mTouch™ capability for implementing capacitive touch sensing user interfaces.
Most of microcontrollers work within 5 volt environment and the I/O port can only handle current up to 20mA; therefore if we want to attach the microcontrollers I/O port to different voltage level circuit or to drive devices with more than 20mA; we need to use the interface circuit. One of the popular method is to use the Bipolar Junction Transistor (BJT) or we just called it transistor in this tutorial. For more information please visit www.ermicro.com/blog/?p=423
Microchip Technology Inc., a leading provider of microcontroller, mixed-signal, analog and Flash-IP solutions, today announced that it was chosen for the 2014 “Selling Power 50 Best Companies to Sell For” list. Each year, the corporate research team at Selling Power magazine assembles and publishes this list, which includes companies of all sizes, with sales forces ranging from fewer than 100 to those in the thousands. Microchip ranked 17th, moving up two places from 2013, and is still the only semiconductor company on the list. For more info, visit: www.sellingpower.com/2014/50-best-companies-to-sell-for/
NYRR's NYE race values costumes, so I figured I'd throw a little light on my head. I bought a /relatively/ inexpensive headband and sewed the ends of the strip on the back, along with an Adafruit Gemma and a small alkaline battery box. Tomorrow I need only clip the threads and carefully disassemble the electronics to return it to a normal headband.
Microchip announced a new series within its PIC32MX1/2 32-bit microcontroller (MCU) family that features a large 256 KB Flash configuration and 16 KB of RAM in small-footprint packages. These latest additions to this popular MCU family provide flexibility to low-cost applications that need complex algorithms and application code, and they are coupled with Microchip’s comprehensive software and tools for designs in graphics, touch sensing and general-purpose embedded control. To learn more about Microchip’s 32-bit PIC32 MCUs, visit: www.microchip.com/PIC32-081115a
Energy meter application circuit diagram of Microchip Technology's 8-bit PIC18F87J72 microcontroller (MCU) family for single-phase, multi-function smart-metering and energy-monitoring applications.
Microchip Technology partnered with Cymbet Corporation to provide the world’s first customizable energy harvesting application development kit—the XLP 16-bit Energy Harvesting Development Kit. This kit includes a modular development board populated with the PIC24F16KA102 microcontroller—featuring eXtreme Low Power—and the capability to add PICtail™ daughter boards for the rapid evaluation of a wide variety of system functions, including ZigBee® and proprietary wireless connectivity, and SD memory cards. The PIC® microcontroller’s eXtreme Low Power technology allows users to gain the longest possible operation from the included Cymbet EnerChip™ EH Eval-08 Energy Harvesting Board, which harvests solar energy that is then stored in the EnerChip solid-state, rechargeable energy-storage devices. For more information, visit: www.microchip.com/energyharvesting
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.
Microchip Technology's mTouch™ Projected Capacitive Touch-Screen Sensing Technology and PIC16F707 8-bit microcontroller (MCU), featuring two 16-channel Capacitive Sensing Modules (CSMs) that can run in parallel for increased sampling speed. The MCU is available today for just $0.99 each in volume and, along with the mTouch projected-capacitive technology and development kit, enables designers to easily integrate projected capacitive touch-sensing functionality into their application with a single MCU, thus reducing total system costs and increasing design flexibility.
This is prototype tachometer i made for testing purposes. If it pass the test, it will be redesigned and integrated into final gauge with motogadget and gear shift indicator projects.
People have been asking me to actually talk about my feelings. There is a consensus that I don't talk about what I feel. Often you'll just hear me say "That's cool" and "Awesome" or "Sucks" and "Not Cool."
So let me say this, In the photo above, I feel poetry. I feel something like bpNicohols and Christian Bok. More than anything else I feel Jeff Knight's poem 'Peyote'. I don't feel Jeff's poem visually here, I feel it in what will become of this arduino board.
It will become the Living Day. And to quote Jeff's poem:
"Raindrops hit the windshield and sliver up the right.
Sometimes the raindrops spell words in languages that I have forgotten how to read.
It keeps running thru my mind that I should have brought my camera. I could capture all these drops all these words. I could take them home, I could study them later. I could learn to decode the complicated hieroglyphics of water on glass. But its not such a great idea.
There Isn't enough film in the world.
The hiss of the tires in the rainy dessert night smells like... coffee."
What inspires me to feel generally fits within two categories: Jazz or Poetry. Rarely both.
This microcontroller that I was working on, at this exact moment, was poetry.
To give you an idea of what my eyes see as Jazz: At a bus stop on 22nd and Walnut, Philadelphia, there is a row of residential buildings. From that bus stop, looking straight ahead at the sides of all these houses, jazz lives in the arrangement of the windows to rooftops places in the hands of time's mismatched architects and construction crew's need for conformity and price. It is, to me, the closest thing I have ever seen to John Coltrane's Ascension.
Some Dave Brubek's recording Impressions of Japan has most Center City's Spruce street in Philadelphia covered (when it is sunny and not too hot.)
On 13th and Walnut, sitting on the stoop and looking up to right at the skyline, The transitional period of Miles Davis's outward perception between "Kind of Blue" to "Live Evil" exist, depending on the time of day and cloud position. It is a feeling of the street and the feeling of it passing thru to the inside of me.
So, dear consensus, for the moment until I can better explain 'my feelings' you are just gonna have to live with Jazz and Poetry.
(link to Jeff Knight Poem: www.austinslam.com/media/Peyote-Jeff_Knight.mp3
Digital clock with 7-segment led-displays controlled by a attiny2313 on a breadboard.
More at blog.gut-man.de/tag/7-segment/
4 Axis (networkable to 254) Stepper Controller... On chip Gcode interpreter.
Other Photos Here:
www.flickr.com/photos/rileyporter/sets/72157623398115123/
More info here:
www.synthetos.com/wiki/index.php?title=Projects:TinyG
Comments welcome!
Building the organ controller including pedalboard and bench. Photos were taken to document the progress of my B4 Controller project. The goal of the project was to build a MIDI Organ Controller with the look-and-feel of the "real thing" for playing Native Instruments' B4.
Microchip announced from EE Live! and the Embedded Systems Conference in San Jose the PIC16(L)F170X and PIC16(L)F171X family of 8-bit microcontrollers (MCUs), which combine a rich set of intelligent analog and core independent peripherals, along with cost-effective pricing and eXtreme Low Power (XLP) technology. Available in 14-, 20-, 28-, and 40/44-pin packages, the 11-member PIC16F170X/171X family of MCUs integrates two Op Amps to drive analog control loops, sensor amplification and basic signal conditioning, while reducing system cost and board space. These new devices also offer built-in Zero Cross Detect (ZCD) to simplify TRIAC control and minimize the EMI caused by switching transients. Additionally, these are the first PIC16 MCUs with Peripheral Pin Select, a pin-mapping feature that gives designers the flexibility to designate the pinout of many peripheral functions. The PIC16F170X/171X are general-purpose MCUs that are ideal for a broad range of applications, such as consumer (home appliances, power tools, electric razors), portable medical (blood-pressure meters, blood-glucose meters, pedometers), LED lighting, battery charging, power supplies and motor control. For more info, visit: www.microchip.com/get/H4FJ and www.microchip.com/get/4FJP
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
This is a development board made by Olimex for 8-pin AVR microcontrollers. Note the 10-pin ISP interface.
Photo taken to accompany short article on working with AVR microcontrollers, and making minimalist target boards for programming them.
My BASIC Stamp bench setup. RS232 that goes to a serial-to-USB adapter connected to the iMac G5, Radio Shack 9V 300mA "battery eliminator" for power, and parts, parts, and more parts.
I'm using MacBS2 as the development environment and chip programmer, and the kit is the bundle sold through Radio Shack.