Latest threads in General Electronicsshow only best voted threads

Subject Author Posted Replies
 
Precision Phase angle measurement
Hi, I am trying to measure phase angle difference between nearly identical sinusoidal waveforms. I am presently trying with comparators as zero crossing detectors. Then run a counter with 2Mhz clock...
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UK-Panasonic DVD recorder-Can't record sat. programmes
I have a Panasonic DMR-ES15EB recorder and have not been able to 'time record' satellite programmes using the procedure in the instruction booklet. I can record manually. Has anyone else had this...
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Question about electromagnet heat
I have a nice electromagnet that I got on eBay ( ). I'd like to determine it's maximum current for 100% duty cycle. My plan is to apply a small voltage (say 1 volt), let it reach steady state...
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Re: Those wonderful TOYS!
On Fri, 24 Nov 2006 17:11:49 -0500, "John Doe" Gave us: Do NOT post binary files into non binary groups, you IDIOT!
 
playstation 3 PS3 60gig
playstation 3 for sale 60gig unopened. 1500$ 585 749 3855 rochester ny, Pittsburg pa, Erie pa, buffalo ny blacksburg va or anywhere along 77 or 79 in WV I can deliver to. other than that, I will have...
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pinigai
1=2ESkaitant si sraipsni Jus galite pakeisti savo gyvenima! Tai pakeite mano gyvenima!... a=F0 aptikau tai viename is forumu ir nusprendziau pabandyti. Dalyvaujant ivairiuose forumuose, as randu sita...
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Possible damage from noise cancelling headphones?
Hi, I have purchased some noise cancelling headphones to listen to music on the train to work. My reason for buying them is to prevent the damage caused by listening to my music loud enough to block...
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Surface Temperature measurement with PIC
Been looking high and low for a Low-Power component that will measure Surface Temperature of a Engine block or a Radiator. Plan to hook this up to a PIC ADC. In all my searches I find these really...
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Evil bollards.
Apparently authorised vehicles carry a transponder to lower then raise the bollards as they pass over them. It would be fantastic revenge for those whose cars were wrecked to have a transponder jammer...
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PCB conversion
Hi all, Does anyone know if there are any programs to convert Protel 2.8 PCB files to Eagle layout pcb files ? or maybe gerber to Eagle ? Cheers, Chris
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Getting 0-9 digits by using potentiometer
hi, i would like to use analog port of 16f877 to get digits chosen by a user using potentiometer. First of all i wonder whether such a one-turn potentiometers are used for that purpose. Generally i...
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How many times can you change the pin on a electric grarage door?
To deture some one from intering my grarage I change the pin or reset the combanation all most every day. What will this do to my grarage door equitment? Thanks. The problem is when I leave home, not...
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Insulation voltage in spec EN61558
Hi, My historic Tek 547 scope developed a short in the main transformer between CRT filament winding and shield. I'd like to put in a separate transformer to fix it, but it needs to be able to...
 
Thallium in electronic components ?
Seeing reporting of the spy poisoning case in London , the BBC mentions it is used in electronic components. Other than at doping levels or very thin films, is it found as itself or as salts in...
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Enamalled copper wire
Ladies and Gents, A collegue of mine in our workshops needs a long length of 0.5mm enamelled copper transformer wire, but really long (approximately 2km single length). Does anyone know where in the...
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