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Inside the cover of a Shimadzu Ion Trap-Time of Flight mass spectrometer. Visible are power supplies, circuit boards, the flight tube, ion gauges etc.
Vintage passenger service modules , called APAX, from passenger aircraft. These modules are located under the seats and provide music and other passenger services, as steward call feature.
Consumer Electronics Show 2012 - Las Vegas, Nevada
(cc) David Berkowitz - www.marketersstudio.com / www.twitter.com/dberkowitz
Micrographs via Celestron handheld microscope. Electron gun assembly.
More details on CRT manufacture in this Tektronix video (1955): www.youtube.com/watch?v=q5dhfhMItQc&feature=youtu.be
This is a method my friend and I have started using for storing electronics components. We have a bunch of old pill bottles kicking around, so we label them and use them for storage. We've found them most convenient.
When traveling, I go through a rather thorough, yet painful process of figuring out what the heck electronics I should take along. On Saturday, Sara and I will be traveling to Finland and Sweden, so the process begins.
Here is most of what I use today in terms of portable electronics, from the white lens in the upper-left, spinning counter-clockwise:
Canon Lenses
Cameras
Polaroid t833 waterproof
Canon 7D (not shown.. used to take picture)
Phones / portable music / Readers
LG Rumor Touch (Sara's)
HTC Evo 4G
iPod Touch 2Gen
iPpod Touch 4Gen
iPod Nano 1Gen
iPad 2
Kindle 3rd gen WiFi (black)
Kindle 3rd gen WiFi (Pink, Sara's)
Computers
15.4" Dell Studio 1537 (Sara's)
12.1" Dell L attitude D420
Flashes
Canon 430 EX (not shown, bounced off ceiling for photo)
Canon Vixia HF100 Camcorder
Media players / photo dumpers
Vosonic VP8390 160GB
Vosonic VP6230 120GB
GPS
Whew! So traveling, sort-of light, I'll take the Canon 7D, the 24-105, 10-22, 28mm and the 50mm. Only one flash, a 430ex as I don't plan on shooting much with flash. Canon S95 is small and does video, so that's going. Polaroid is not needed as we aren't going in the water. My phone is a necessity (though it's CDMA, WiFi makes it very useful for everything but phone calls). Ipod touches will stay back for Ian (so we can do Facetime w/ the iPad 2, which we will take). Kindles come along as does my laptop. May take both Vosonics for redundant photo copying, camcorder stays as does the nuvi (not taking a car), but Oregon goes for geocaching and general navigation. If you actually made it this far, congrats, you are a nerd.
A power supply, a soldering iron, two crappy but one is at least serviceable multimeters, a hot glue gun, and various other tools.
I got 12 IN-14 nixie tubes from Russia sometime in June but haven't had /any/ time to play with them since then. I've finally got around to etching the PCB I designed for a power supply - it goes from 9VDC to 170VDC - and so today was the first test.
I'm delighted to say it worked first time (though I did have to add in a resistor I forgot to include in the design).
I also found out that these nixies have decimal places! I never knew that.
The next step is making a system to control all 12 at once, which will probably need a few of these power supply modules to get enough current flowing. I plan to integrate that with an RTC to show a DDMMYY/HHMMSS clock, but maybe I'll think of something more inventive first.
The IO-103 was the only Heathkit that disappointed me. Long story, but it was a very poor performer, poorly designed. This picture was taken in 1973 or 74.
“냉수 37컵을 연속으로 이용”
■ 국내 최초로 스탠드 정수기에 인버터 컴프레서 적용
■ 냉수 공급량 기존 대비 50% 늘려 7.5리터까지 제공
□ 상점, 사무실 등에서 많은 사람들이 이용 가능…200ml 기준 최대 37컵
■ 월간 소비전력량 10%↓ 에너지소비효율 1등급
□ 연속 냉수 공급량 7리터 이상 스탠드 정수기 중 최저 소비전력 달성
■ 디스펜서 높이 키워 대용량 용기도 편리하게 이용
■ 냉장고사업부장 박영일 부사장 “LG만의 차별화한 기술력으로 완성한 국내 최초 의 상업용 인버터 정수기로 프리미엄 정수기 시장을 적극 공략할 것”이라고 강조
※ Social LG전자 (social.lge.co.kr/newsroom) 에서 관련 보도자료를 확인하실 수 있습니다.
One of the first attempt of eco-friendly pcb, before the catastrophic ROHS standart spreads out. Note the leaf logo.
A riddle one of the EFF staff has in their office.
Can you figure it out?
To start off, there aren't any hidden wires, it's a single wire running in series through both switches and both lights.
However, each of the lights is controlled independently by it's own switch.
How does it do it?
Front entrace to the Campbell Fry's. It's older and a bit smaller than your typical modern Fry's. There is no cafe, and perhaps not quite the full array of appliances and furniture. It sits above the parking lot so you must take steps or a ramp to reach the front door.
Egyptian Theme.
Campbell, CA
I designed this circuit board and just sent it out to be manufactured today. Hopefully it will work! There are so many possible errors available...
Consumer Electronics Show 2012 - Las Vegas, Nevada
(cc) David Berkowitz - www.marketersstudio.com / www.twitter.com/dberkowitz
Vacuum tubes, resistors, diodes, a Tube Screamer guitar pedal, transistors, terminal strips and more!
I soldered up the amp I designed. It's horrifically inefficient but sounds beautiful! Only got one channel for the time being but maybe I'll make up another...
Fun specs: class A, 10W into speaker, mono
Consumer Electronics Show 2012 - Las Vegas, Nevada
(cc) David Berkowitz - www.marketersstudio.com / www.twitter.com/dberkowitz
I got 12 IN-14 nixie tubes from Russia sometime in June but haven't had /any/ time to play with them since then. I've finally got around to etching the PCB I designed for a power supply - it goes from 9VDC to 170VDC - and so today was the first test.
I'm delighted to say it worked first time (though I did have to add in a resistor I forgot to include in the design).
I also found out that these nixies have decimal places! I never knew that.
The next step is making a system to control all 12 at once, which will probably need a few of these power supply modules to get enough current flowing. I plan to integrate that with an RTC to show a DDMMYY/HHMMSS clock, but maybe I'll think of something more inventive first.