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Re: Found: Datasheet stash.
On Fri, 16 Apr 2010 15:36:43 +0100 "ian field" <gangprobing.alien@ntlworld.com> wrote in Message id: <2C_xn.215$W27.10@newsfe14.ams2>: > >"flipper" <flipper@fish.net> wrote in...
View ArticleRe: Found: Datasheet stash.
ian field Inscribed thus: > My broadband account feeds the PC where I spend the most time - I > can't afford a second account for the other PC. If you have a router you should be able to plug in...
View ArticleCrotech 3133 25 MHz oscilloscope
Has any one got a user manual for a crotech 3133 oscilloscope for sale, or know where I can obtain one cheers Tom.
View ArticleNeed Help Making A DC 12 V Adaptor
Hello, I have a Sony PS-LX295 turntable, and it is supposed to be powered by a Sony TA-AX295 receiver, I believe. I know it is DC 12 V, and I want to make an adaptor, but I don't know the amperage. I...
View ArticleRe: Anyone got a Maha MH-C9000 Wizard One Battery Charger?
On Sat, 11 Sep 2010 01:22:45 +0100 "Brian Gregory [UK]" <ng@bgdsv.co.uk> wrote: > The number of mAH is consistently about 10% below what it should be (both > for charging and for...
View ArticleRe: Anyone got a Maha MH-C9000 Wizard One Battery Charger?
On Sat, 11 Sep 2010 01:22:45 +0100 "Brian Gregory [UK]" <ng@bgdsv.co.uk> wrote: > I'm disappointed with mine. > > For one thing it can't even correctly multiply the current by the >...
View ArticleRe: What is this capacitor?
On 9/10/2010 5:16 PM, Brian Gregory [UK] wrote: > "Daniel"<overhaul@swcp.com> wrote in message > news:ue-dnR-3_aIHyeLRnZ2dnUVZ_s-dnZ2d@swcp.com... >> <sigh> Here's a link to the...
View Articleultrasonic speakers
Hi, for a home project I'm looking for ultrasonic speakers (tweeters) with a frequency range of more than 30 KHz with a power of about 100W. Where can I buy them? Thanks, Marc
View ArticleRe: Wanted - a HUGE digital clock
Peter Hucker wrote: > I've had zero success in finding a MASSIVE digital clock. I'm after something with digits about 8 inches tall, preferably LED not LCD. Perhaps there is a clock circuit I can...
View Articlelooking for RS485 hub
Hiya, I cant seem to google up what i want, so im wondering if anyone here has any experience in rs485 networking, and knows of a suitable hub to use. The setup; i have 8 banks of rs485 nodes. each...
View ArticleLevel Conversion Between CMOS And RS232
Hi, I am trying to find a CMOS chip which can perform conversion between RS232 and CMOS levels. I've heard of the MAX232 chip but havent found documentation and I dont know if it is CMOS or TTL. If...
View ArticleWhy Are There No Right Angle Traces?
I was told the other day that there are no right angle traces on PCBs (the traces go to something like 45 degrees between perpendicular traces) because of something to do with something or other. Could...
View ArticleMeasuring ground moisture level via conductivity
A few weeks back, I posted a question about measuring the level of moisture in the ground (so I could control my sprinkler system accordingly). "The Captain" sent me a schematic that did this using a...
View ArticleRe: Found: E book stash.
On 25/04/2011 16:36, Ian Field wrote: > http://www.unhas.ac... I sometimes get a little annoyed by all this. The western and central world looks to bookshops and libraries to study college...
View ArticleDo they make cree night lights now?
I'm looking for a super bright LED night light, to light up a room a lot more at night than the old tech night lights. I realize that the "number of LED's" is meaningless, I just want lumens. Weren't...
View ArticleRe: Wanted - a HUGE digital clock
On Sat, 29 Nov 2008 19:37:43 -0000, "Peter Hucker" <none@spam.com> wrote: >I've had zero success in finding a MASSIVE digital clock. >I'm after something with digits about 8 inches tall,...
View ArticleRe: Test phone jack without service subscription?
"Anti-Robo" <dubya54@XXXXyahoo.com> wrote in news:uueCq.81934$ql3.18802@en-nntp-12.dc1.easynews.com: > Can you test phone jacks if you have no landline phone service? Any > kind of voltage...
View Articlesafewatch 2000 security system
Does anyone know how to change the monitoring phone number?
View ArticleRe: Level convert TTL to -5V logic (0V / -5V levels at
"Richard Ferryman" <richardferryman@btinternet.com> schreef in bericht news:Ra2dnboeHvphc_TNnZ2dnUVZ7qadnZ2d@bt.com... >I have a device with 8 control inputs with logic levels of 0V and -5V at...
View Article1000 year data storage for autonomous robotic facility
Hi! I'm planning a robotic facility [3] that needs to maintain hardware (exchange defective parts) autonomously for up to 1000 years. One of the problems is to maintain firmware and operating systems...
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