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Each row blinks on and off. This is a picture taken in the dark. I lined the face up in the lower right in the camera's LCD screen, and when it went dark, signaling the picture being taken, I slid the face up and to the left. The red lights appear as dots, proving that they're not on continuously as they appear to be. Actually, there is a slight shimmer to them, especially if you look around at different parts of the face - when your eye jumps, you can see the shimmer in your mental afterimage. I did throw in a pretty lengthy pause via TIMER0 between rows, though, so this can be reduced, and what's more, I'm only using a 4MHz oscillator, which runs a bit slower than that in tests. When I switch to the 20MHz crystal, and crank up the voltage a bit, it should appear rock solid, even across the proposed 32x32, bicolor panel I'm hoping to build with this.
Energizer paid me $0.50 for that bit of subliminal advertising.
In 2009, Microchip Technology Inc. was selected as one of the Phoenix Business Journal’s “Best Places to Work in the Valley” for the third straight year. The award places Microchip among the top-30 large companies (250+ employees) to work for in Arizona because of the way it creates an engaged and supportive workforce. For more information about Microchip Technology, please visit the Company’s Web site at www.microchip.com/get/3QB7. For more information about the “Best Places to Work” awards, visit www.microchip.com/get/QFF5.
Microchip Technology's MCP1804 Low Dropout Regulators (LDOs) deliver up to 150 mA of output current and support output voltages from 1.8 – 18V.
Pixel VGA, version 1 (Floor Cluster) - Garnet Hertz
Two dozen old computer monitors occupy the center of a gallery floor in a cluster facing the wall. Each screen is controlled with custom electronics to create pulsating and strobing patterns, casting a colored wash across the darkened gallery.
Dimensions: Variable (approx 3m x 3m). VGA monitors, custom electronics. 2011.
More project information: conceptlab.com/pixel/
The chipKIT™ WF32 is a prototyping platform that adds the performance of the Microchip® PIC32 microcontroller. The WF32 is the first board from Digilent to have a WiFi MRF24 and SD card on the board both with dedicated signals. The WF32 board takes advantage of the powerful PIC32MX695F512L microcontroller, which features a 32-bit MIPS processor core running at 80 MHz, 512K of flash program memory, and 128K of SRAM data memory. The WF32 can be programmed using the Multi-Platform Integrated Development Environment (MPIDE). It contains everything needed to start developing embedded applications. The WF32 features a USB serial port interface for connection to the MPIDE and can be powered via USB or by an external power supply. In addition, the WF32 is fully compatible with the advanced Microchip MPLAB® IDE and works with all MPLAB compatible in-system programmer/debuggers, such as the Microchip PICkit™3 or the Digilent chipKIT PGM.
store.digilentinc.com/chipkit-wf32-wifi-enabled-microntro...
seven segment module connected to arduino uno board
#arduino #programming #microcontroller #project #coding
Solder side of my TiVo IR controller I made becasue the IR blaster doesn't work on that TiVo, which has Product Lifetime, and is beyond warranty, and modifed to no end, so they can't take it back.
The board takes the serial commands meant for a DirecTV receiver, and basically decodes them and interprets them into what buttons to push on the OEM remote for my satellite receiver, which it does with a 4051 and 4052 CMOS switch (one doing row, the other column). I would have used two 4051, if I had two, but for that job, a 4052 is adequate. In there behind the wire (which is the power wire that gets power from the TiVo's USB port) is the Max213 serial receiver driver chip.
Just about all of it is done surface mount, by hand.
Sanguino is an open source Arduino-compatible microcontroller board that is based on the Arduino, and inspired by the Boarduino form-factor. It uses the atmega644P chip which has 4x the memory, ram and 12 more GPIO pins than the Arduino's atmega168.
More info: make.sanguino.cc/1.0
Pixel VGA, version 1 (Floor Cluster) - Garnet Hertz
Two dozen old computer monitors occupy the center of a gallery floor in a cluster facing the wall. Each screen is controlled with custom electronics to create pulsating and strobing patterns, casting a colored wash across the darkened gallery.
Dimensions: Variable (approx 3m x 3m). VGA monitors, custom electronics. 2011.
More project information: conceptlab.com/pixel/
Pixel VGA, version 1 (Floor Cluster) - Garnet Hertz
Two dozen old computer monitors occupy the center of a gallery floor in a cluster facing the wall. Each screen is controlled with custom electronics to create pulsating and strobing patterns, casting a colored wash across the darkened gallery.
Dimensions: Variable (approx 3m x 3m). VGA monitors, custom electronics. 2011.
More project information: conceptlab.com/pixel/
The MRF24J40MB is Microchip’s second 2.4 GHz Radio Frequency (RF), surface-mountable transceiver module. This new module adds +20 decibels per milliwatt (dBm) of transmit power via an integrated Power Amplifier (PA) and -102 dBm of receive sensitivity via the integrated Low Noise Amplifier (LNA) to the proven IEEE 802.15.4 compliant transceiver, PCB antenna and discrete matching circuitry. More transmit power allows designers to expand the range of their IEEE 802.15.4-based ZigBee or proprietary-protocol wireless networks.
My display of three working Compukit UK101 machines for their 30th anniversary. Behind them is Arduino Nut, designer of the MMC card filing system for the BBC Micro.
Version 1.1 of our open-source ATmegaXX8 AVR development target board. Read more about this project and download the design files here.
Pixel VGA, version 1 (Floor Cluster) - Garnet Hertz
Two dozen old computer monitors occupy the center of a gallery floor in a cluster facing the wall. Each screen is controlled with custom electronics to create pulsating and strobing patterns, casting a colored wash across the darkened gallery.
Dimensions: Variable (approx 3m x 3m). VGA monitors, custom electronics. 2011.
More project information: conceptlab.com/pixel/
It's quite a distance from my office light switch to the front door. Normally anyone closing up for the night will turn off the light and dash into the pitch blackness, usually hitting a chair or desk in the process. Rather than solve the problem, I lashed together an automatic light-turner-offer...er. Press the button and it beeps for 30 seconds, then turns the light off for you. It returns to a slack position to allow manual light-turning-on...ing.
Microchip Technology's Graphics PICtail™ Plus Daughter Board With 3.2” Display Kit enables designers to cost-effectively evaluate Microchip’s graphics solutions and develop embedded graphics display applications. With Microchip’s free graphics software and related development tools, designers can quickly integrate graphics display functions into embedded applications using a single microcontroller, reducing development risk, total system cost and time to market. For more information, please visit: www.microchip.com/Graphics
Aaron has made some progress on the ball-bearing sensor board for the physical rhythm sequencer. It's all wired up to the Arduino (left) and the LEDs simulate rhythm sound triggers.
The chipKIT™ WF32 is a prototyping platform that adds the performance of the Microchip® PIC32 microcontroller. The WF32 is the first board from Digilent to have a WiFi MRF24 and SD card on the board both with dedicated signals. The WF32 board takes advantage of the powerful PIC32MX695F512L microcontroller, which features a 32-bit MIPS processor core running at 80 MHz, 512K of flash program memory, and 128K of SRAM data memory. The WF32 can be programmed using the Multi-Platform Integrated Development Environment (MPIDE). It contains everything needed to start developing embedded applications. The WF32 features a USB serial port interface for connection to the MPIDE and can be powered via USB or by an external power supply. In addition, the WF32 is fully compatible with the advanced Microchip MPLAB® IDE and works with all MPLAB compatible in-system programmer/debuggers, such as the Microchip PICkit™3 or the Digilent chipKIT PGM.
store.digilentinc.com/chipkit-wf32-wifi-enabled-microntro...
5 watt LED light over kitchen sink, with motion sensor for auto activation. Uses ATtiny84 and a MOSFET. Blog entry here: macetech.com/blog/node/109
Building on the previous successes with the chipKIT WF32, the Wi-FIRE uses the same 43 available I/O pins, 12 analog inputs, 3.3 operating voltage, 4 user LEDs, potentiometer, buttons, uses MRF24 on-board wireless module, microSD Card, dedicated SPI Signals and high efficiency switching 3.3V switching power supply for low-power operation.
The Wi-FIRE is significantly faster than its WF32 counterpart, with 200 MHz operation speed, 2MB of Flash, 512kB RAM, High-Speed USB and a 50MHz SPI. The PIC32MZ core includes the MIPS M5150 CPU Core from Imagination Technologies. The M5150 is a highly efficient, compact core that is optimized for cloud-connected based projects, using Imagination Technologies' FlowCloud software.
store.digilentinc.com/chipkit-wi-fire-wifi-enabled-mz-mic...
Wire wrapping a project like this makes it really easy.
www.cheaphack.net/2008/03/multi-color-lamp-from-some-reus...
This is the schematic (part 2, microphone preamp ) of my simple circuit to display music on a VGA monitor like on an oscilloscope.
For more details go to :
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Hackspace at FullStack 2014. If you missed FullStack this year, check out the SkillsCast recordings of most sessions here: skillsmatter.com/conferences/6361-fullstack-node-and-java...
Here's a screen shot of the app talking to the micro and uploading the animation set. The app has sweet editing freatures I added (flip, rotate, shift, offset, copy/cut/paste/duplicate, etc). Also you can playback your animations in the app to preview them.
Advertisement in the January 2010 issue of Servo and Nuts & Volts Magazines, and Make summer 2010, for the Ardweeny
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