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Velleman PMK 111 INTERVAL TIMER
A new generation of cheap lightweight plastic electronic technology that does not require silicon, but which is optically transparent and can be coated onto everyday objects would transform our world.
"Working collaboratively with industry is not only satisfying in that I see aspects of my work translate into real engineered products, but it provides inspiration for new avenues of research too. Roadmapping then allows me to critically assess how I should be developing my research portfolio and engaging with industry to maximise the likelihood of productive collaboration."
—Dr Andrew Flewitt
Imagine electronically updated food labels, computers embedded in our armchairs, even contact lenses linking us directly to the Internet to bring us into the age of plastic electronics. In this video podcast Dr Andrew Flewitt and Dr Robert Phaal both from the Department of Engineering and Scott White serial entrepreneur and CEO of Pragmatic Printing talk about the creative partnership forged between different parts of the Department of Engineering and outside companies that enable the technology and research in this area to be exploited successfully.
Dirty Electronics Mute Synth custom modified by A.S.M.O. for Daniel Miller (The Normal / Mute Records).
Touch panels hardwired to pots and switches, 3 LFOs, one for each oscillator and feedback.
Low / band pass resonant filter with external voltage control input, self oscillates at full resonance.
Panel is covered in (warm) leatherette, nice!
After hours spent carefully reworking the ARM (it arrived with some pins bent inwards, which wasn't noticed until after reflow, where they held it up and all the other pins didn't touch the pcb) and many more hours spent going over everything to work out why it wasn't programming, it suddenly started programming! hurrah
BSR spectrum analyzer 10x9 LED panel and driver board-- love that LED panel-- need to get it talking again.
1 layer of 4 total
Analysis: www.eevblog.com/forum/reviews/elgar-3000b-(ancient)-ac-line-conditioner-teardown/
BuildBrighton is working on making a pseudo-theremin for the electronica DJs Evil Nine. It will be a MIDI controller that works by sensing arm movements using ultrasonic range finders.
For more information see:
This one didn't work out of the box. Eventually I figured out the previous owner had installed custom attenuation on X and Z which I have removed and reverted to standard. Then I found impedances were still off and I couldn't drive test 1V into X, Y and Z simultaneously. Turned out they had swapped X signal and signal ground versus schematic. I'm undoing that at the PCB connector level so as not to cause more confusion later.
I couldn't get hold of a precision shunt resistor, so I had to do with this 10% 5W one here. It didn't turn out too bad at all. This one doesn't affect the current displayed on the power supply's display (the display measures the current itself), but the current set-point in the opamp feedback loop. I have a schematic, but it is not quite matching the PCB revision I have, so I couldn't instantly figure out which pot to tweak to compensate for small deviations. Reverse engineering a schematic from a given PCB sucks.
I compared the current set on the power supply (via a keypad) and the current measured by a good multimeter and it wasn't off by more than 5% worst case. That's good enough for me right now.
A new generation of cheap lightweight plastic electronic technology that does not require silicon, but which is optically transparent and can be coated onto everyday objects would transform our world.
"Working collaboratively with industry is not only satisfying in that I see aspects of my work translate into real engineered products, but it provides inspiration for new avenues of research too. Roadmapping then allows me to critically assess how I should be developing my research portfolio and engaging with industry to maximise the likelihood of productive collaboration."
—Dr Andrew Flewitt
Imagine electronically updated food labels, computers embedded in our armchairs, even contact lenses linking us directly to the Internet to bring us into the age of plastic electronics. In this video podcast Dr Andrew Flewitt and Dr Robert Phaal both from the Department of Engineering and Scott White serial entrepreneur and CEO of Pragmatic Printing talk about the creative partnership forged between different parts of the Department of Engineering and outside companies that enable the technology and research in this area to be exploited successfully.
A new generation of cheap lightweight plastic electronic technology that does not require silicon, but which is optically transparent and can be coated onto everyday objects would transform our world.
"Working collaboratively with industry is not only satisfying in that I see aspects of my work translate into real engineered products, but it provides inspiration for new avenues of research too. Roadmapping then allows me to critically assess how I should be developing my research portfolio and engaging with industry to maximise the likelihood of productive collaboration."
—Dr Andrew Flewitt
Imagine electronically updated food labels, computers embedded in our armchairs, even contact lenses linking us directly to the Internet to bring us into the age of plastic electronics. In this video podcast Dr Andrew Flewitt and Dr Robert Phaal both from the Department of Engineering and Scott White serial entrepreneur and CEO of Pragmatic Printing talk about the creative partnership forged between different parts of the Department of Engineering and outside companies that enable the technology and research in this area to be exploited successfully.
A new generation of cheap lightweight plastic electronic technology that does not require silicon, but which is optically transparent and can be coated onto everyday objects would transform our world.
"Working collaboratively with industry is not only satisfying in that I see aspects of my work translate into real engineered products, but it provides inspiration for new avenues of research too. Roadmapping then allows me to critically assess how I should be developing my research portfolio and engaging with industry to maximise the likelihood of productive collaboration."
—Dr Andrew Flewitt
Imagine electronically updated food labels, computers embedded in our armchairs, even contact lenses linking us directly to the Internet to bring us into the age of plastic electronics. In this video podcast Dr Andrew Flewitt and Dr Robert Phaal both from the Department of Engineering and Scott White serial entrepreneur and CEO of Pragmatic Printing talk about the creative partnership forged between different parts of the Department of Engineering and outside companies that enable the technology and research in this area to be exploited successfully.
Vacuum tubes, resistors, diodes, a Tube Screamer guitar pedal, transistors, terminal strips and more!
Some shots from the electronics flea market. I took these around 11 when I was done browsing, so a lot of vendors had already left or started packing up.
Matt Check, electronics technician at Tobyhanna Army Depot (TYAD), PA, sets up the Schleuniger Crimp Center to mark and strip wires for the Common Remotely Operated Weapon Station identification box. TYAD is DOD’s largest center for the repair, overhaul and fabrication of a wide variety of electronics systems and components. (Photo by Steve Grzezdzinski, TYAD)