Dear David and Phil, I change value of resistors around 555 and made some changes in the ground lines. The circuit is now operating for more than 12 hrs and it...
Has anyone purchased from this site this year? I made an order late last year without any problems,but my second order hasn't seen the light of day. I'm having...
check this website www.calculatoredge.com an online line website which has several engineering equations and formula calculator tool. I found this very useful...
The order did turn up eventually.I must say the communication I had with Colin was really weird. I'm not sure if he's having problems with his memory or he's...
I'm trying to determine the accuracy of the temperature reported by this chip. The chip has a standard resolution of 0.5C and if you access the internal...
http://pdfserv.maxim-ic.com/en/ds/DS1620.pdf Page 11 of the datasheet shows a "thermometer error" spec (Terr) of: +/-0.5 degC over 0 to 70degC for 3.0V to 5.5V...
Thanks David, I may have read the "thermometer error" ref without recognising this was what I was looking for. The chip came as part of a "PIC tutorial" kit I...
Hi Peoples, been a while since I have posted. I have recently started a boutique guitar amp building business called Fade To Grey. The component boards are...
No idea myself, but Bob Barnes at RCS radio might know. Worth shooting him an email. www.rcsradio.com.au Dave. ... Hi Peoples, been a while since I have...
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Hi! Im looking for a circuit that uses Insulated Gate Bipolar Transistor that will power an appliance where current is cannot be measured by a clamp meter. Im...
This is the design http://www.ledametrix.com//syncshep/index.html Rob, the inventor has stopped making this device. Does anyone know of a place or person who...
All the info is there, would be pretty simple to build up the circuit either on the provided PCB design, or on a Vero/Matrix board. Would only need simple...
Hello, Im looking for a headhone amp ciruit that would work equally well compared to the very popular cmoy circuit using OPA2134 (dual op amp). It should be...
For anyone still alive out there :->, I thought I'd plug my EEVblog: http://www.alternatezone.com/eevblog/ A regular video blog about electronics engineering...
... Still here. Still using cheap chinese multimeters and no digital cros;) Interesting: EEVblog #13 Part 2 of 2 I knew most digital cros were toys 10 years...
... Yes, they are streets ahead of older style repetitive sampling scopes. Still not as good a $5K-$10K+ DSO, but still awesome for the price, and a pretty...
... Not likely, my Tek 7104 is 1GHz analog bandwidth and one 1GHz *single-shot* bandwidth. Ie, a 1ns glitch is daylight viewable on the crt. It is biggish and...
... Yeah, that's a pretty specialised bit of kit, not so handy for your average day-to-day use. But I guess that depends on what your average day to day use...
... I got a Tek 221 off ebay. Looks similar to the 214 down here: http://pcbunn.cithep.caltech.edu/jjb/tektronix/tektronix.htm Also got a Non Linear Systems...
... Thanks Kat! I thought #17 was a rather poor effort actually! Playing with a new (2nd hand camera), new external mic, and content was not originally what I...
Hi Guys, these days I am attempting to establish a guitar amp manufacturing business www.fadetogrey.net.au I have made half a dozen different amp designs - the...
Hi All, I'm looking for a supplier of Key Caps for Keyboard key switches. I need a full set of Keys for a retro Keyboard (no number pad). Something that would...
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