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The front view shows the cylindrical lens, made from a cut-off section of a WH Smith magnifying ruler. A red Post Office elastic band holds some black foam on, top and bottom, to prevent light from entering the gap behind the lens.
2 drop collision into a water/xanthan gum mix. Colours come from a few drops of ink into both the wine glass and the drop reservoir. I am also using a light blue gel on the flash which is behind a piece of 5mm frosted glass.
Taken using the Canon 100mm f2.8 macro lens.
Settings:
Shutter: 1/200
ISO: 200
Aperture: f/16
Speedlite: 1/16
Timings: D1-50, P1-110, D2-12, CD-200
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
Connections from the main PCB to the LED interface board to provide ground, +5V and Level_OK signal. A pullup resistor has been added to PIC Microcontroller Pin 21
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.
The Rainbow Lighter V2.2 completed, it took several evenings to get it all put together. I grabbed an Altoids tin from my bits'n'pieces supply bag for the 9-volt battery holder.
There is a piece of 1mm black foam (neoprene) attached to the back of the circuit board. The Altoids tin attaches to the foam with a piece of velcro to hold it in place.
Thanks to El Endemoniau for inspiring me to create my own Cr@p Lighter.
My version is using tri-color (manually controlled) LEDs so each individual LED is three LEDs combined. Each one can be lit up to be red, green, or blue...the cool part being that you can then generate different colors using combinations of these three colors. For example, red & green = yellow, green & blue = cyan.
The next step is to develop software for the AVR microcontroller so I can display patterns and text. ;-)
The servo motor is used widely in model hobbyist such as airplane R/C model for moving the rudder, ailerons, elevators and acceleration control or in the car R/C model for steering and acceleration control. In this tutorial we will learn how to control the servo motor as well as the simple close loop control algorithm for this servo motor. For Further information please visit www.ermicro.com/blog/?p=771
expanded its certified Full-Speed USB 2.0 Device PIC® microcontroller portfolio with three new Enhanced Midrange 8-bit families comprising 15 scalable MCUs ranging from 14 to 100 pins with up to 128 KB of Flash. All feature internal clock sources with the 0.25% clock accuracy necessary for USB communication, which saves up to $0.15 by eliminating the need for an external crystal. Additionally, all three families are eXtreme Low Power compliant, with power consumption down to 35 µA/MHz Active and 20 nA in Sleep mode. For more information, visit: www.microchip.com/pagehandler/en-us/technology/usb/produc...
Day 192 - Another geeky delivery today. This time an Arduino Uno microcontroller board.
This has a couple of advantages over the Raspberry Pi that I have been dabbling with as it can handle a 12v power feed and analogue inputs.
Thrilling yeah?!? 😂
The Microchip Bluetooth® Evaluation Kit includes CandleDragon, Inc.’s dotstack™ demonstration Bluetooth Stack. The kit provides an easy, cost-effective and flexible add-on for embedded evaluation and development using many 16/32-bit PIC® microcontrollers or dsPIC® digital signal controllers (DSCs). To speed development and further reduce costs, the Microchip Bluetooth Kit works with the Company’s existing tools. For more information visit: www.microchip.com/Bluetooth
Vostro 1400, Lacie external Drive, WD external drive, Asus eeePC, Nokia 770, usb flash card reader, 3 tackle boxes full of microcontrollers, resistors, transistors, jumpers bread board, microcontroller programmer etc...
more info at bsdpunk.blogspot.com
DCF-Empfangsmodul DCF1
Pollin Best.Nr.: 810054
Technische Daten:
- Betriebsspannung 1,2...3,5V
- Stromaufnahme < 90uA
- Empfangsfrequenz 77,5 kHz
This box contains a microcontroller that keeps the box locked from the inside until its GPS sensor detects that the box is located at coordinates I can specify beforehand. Basically, I program the box for a certain location and lock a treat inside. I give the box to someone and they get to figure out what the box does and how to multilaterate the position the box "wants" to reach.
Microchip Technology's RE46C162/3 Ion smoke-detector ICs make it easy to quickly determine which detector in an interconnected loop triggered an alarm. The ICs’ low energy use enables smoke detectors with a battery life of 10 years, and an interconnect filter enables a connection to other devices, such as CO detectors.
DIY home laser show.
Spirograph V2 completed.
New version, new design, new features.
Learn how to build one at www.apdigitallight.com
The Kinky Café table in the second stage of prototyping. It only drives the red and blue LED strips for now because of a minor firmware issue (I'm still writing that, too). Also, there's still no wireless control, but the last components for that have only just arrived.
Microchip's mTouch™ Projected Capacitive Development Kit (part # DM160211, $119.99) includes a 3.5” sensor mounted on a sensor board, a projected-capacitive board with the PIC16F707 MCU and fully functional firmware. The kit enables users to connect sensors to up to 24 channels, without modifying the firmware. The open source code supports sensors with up to 32 channels, and the kit includes a Graphical User Interface (GUI) tool that enables customers to easily adjust key parameters that are important to their design. The kit can be purchased today, at microchipDIRECT (http://www.microchip.com/get/746C).
Microchip Technology's 32-bit PIC32 microcontrollers now operate from - 40°C to 105°C, enabling their use in a wide range of robust applications.
The four-member PIC24FJ256GB210 microcontroller family integrates USB for Embedded Host/Peripheral/On-the-Go and 96 Kbytes of RAM. This large RAM enables the buffering of sizeable amounts of data and better overall throughput, for applications such as Ethernet connectivity, remote sensing, data logging and audio streaming. It can also be used to store generated images or data for dynamic content, such as real-time, remote sensor data graphs. In combination with Microchip’s free USB software library and TCP/IP stack, these MCUs lower system costs and footprints in a broad range of industrial, instrumentation/measurement, medical and consumer applications. For additional information, visit: www.microchip.com/wwwproducts/Devices.aspx?dDocName=en547864
Dorkbot Bristol, December 2008: Drew operating the dropper on his high-speed photography rig. It's based on an Arduino and triggers the camera shutter and flash at precisely the right moment to capture the splash.
It's an alphanumeric persistence of vision display. This photo was taken by setting the camera on self-timer with a 2.5 s exposure. When the picture started going, I just walked through the frame at normal speed. Ha! I'm invisible.
Learn how to make it here.
I originally used this keyboard many years ago with a UNIX computer. Recently I dug it out and added a PICAXE microcontroller to use it to change the messages on the Green LED Clock.
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.
Microchip and Digilent's chipKIT(tm) Development Platform is the first 32-bit-microcontroller-based, open-source development platform that is compatible with Arduino™ hardware and software. More information is available at: www.digilentinc.com/chipkit.
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.
A Universal Direct Conversion Receiver For PSK-31
by John E. Post
Exclusive Online Article: Decode and read text message communications being sent over shortwave amateur radio frequencies. Page 0
Radio Locator Beacon For Flying Objects
by Dan Gravatt
Exclusive Online Article: The locator beacon weighs about an ounce with its 12-volt A23 alkaline battery, and could be made lighter with the use of surface-mount parts. It’s also simple and inexpensive, so you can afford to build another one if necessary. Page 0
Analog Mathematics
by Gerard Fonte
Even in the midst of the digital revolution, there's still a place for analog mathematics to streamline your designs. Page 54
Projects
Build the rCube: A Talking Memo Alarm Clock
Electronic Gadgets
by Dave Decker
This unique talking clock and MP3 speaker can record voice memos or your favorite song for your alarm, plus it's an interactive nightlight too! Page 40
How to Parallel Power Supplies for Higher Output
Electronic Gadgets
by Fernando Garcia
Assemble this power supply for higher performance from your class-D amplifier. Page 48
Columns
Techknowledgey
by Jeff Eckert
TechKnowledgey 2009
Topics covered include super charged lithium-ions, fuel cell buses, viewing Mars, plus other cool stuff. Page 12
Personal Robotics
The Saga of a Sonar Station
Follow the unique build experience of an interactive kiosk. Page 16
Getting Started With PICS
by Chuck Hellebuyck
Counting Pulses with Timer 0
Keep track of your distance traveled on the golf coarse with this counting application. Page 26
Q&A
by Russell Kincaid
Q&A
Analog tachometer, calulated inductance, soft start AC circuits, plus more. Page 32
Smiley’s Workshop
by Joe Pardue
Smiley’s Workshop: An AVR C Programming Series (Part 10)
Moving Beyond Arduino. Learn how to convert Arduino programs into regular C programs. Page 62
Stamp Applications
by Jon Williams
Spinning Up Embedded Control Projects
Get in touch with your Propeller side. Page 68
The Design Cycle
by Fred Eady
And Now, A Riff From Jeff Beck
Designing a wireless guitar. Page 74
Near Space
by L. Paul Verhage
Your Own Micro Datalogger
Build a bigger and more powerful flight computer. Page 80
Departments
Developing Perspectives
by Bryan Bergeron
Please visit our Developing Perspectives blog to read the full article and comment. Page 8
A small present for my girlfriend.
More infos at blog.gut-man.de/2009/11/08/kleine-aufmerksamkeit-fur-die-...
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