Search found 97 matches

by ezpcb
Wed Jul 23, 2008 6:08 am
Forum: General Discussion
Topic: a simple but useful tool
Replies: 1
Views: 884

a simple but useful tool

Hello all I hope this doesn't break the rule of posting. I think it's really bring convenient to you. I programmed a simple tool for calculating the price of PCB and placing orders. I'm not a software guy, the program looks ugly, but it's useful. sometimes the sendmail.dll must be copied to c:/windo...
by ezpcb
Fri Jul 07, 2006 2:34 am
Forum: General Discussion
Topic: Free nice multimeter
Replies: 1
Views: 858

Free nice multimeter

HI all

There's a free nice multimeter for any new customer.

pls visit www.ezpcb.com for detail.

Mike
by ezpcb
Mon Dec 05, 2005 9:30 pm
Forum: General Discussion
Topic: Subscription problems
Replies: 18
Views: 5658

Re: Subscription problems

I always receive at the end of a month. but I haven't receive November issue till now.
by ezpcb
Mon Dec 05, 2005 9:29 pm
Forum: General Discussion
Topic: 4 phase unipolar stepper motor drive board
Replies: 4
Views: 893

Re: 4 phase unipolar stepper motor drive board

I guess it should be the default status when power on.
by ezpcb
Fri Nov 25, 2005 12:06 am
Forum: General Discussion
Topic: plastic enclosures
Replies: 0
Views: 589

plastic enclosures

Hi all I've found many many plastic enclosures... most of them, the quality is not excellent but very cheap, ideal for some small products such as small radio, remoter, alarm or microcontroller kits. If any of your guys need only 1 or 2, I can send you for free (you pay the shipping :-)). have a loo...
by ezpcb
Fri Oct 21, 2005 12:49 am
Forum: General Discussion
Topic: which is the most popular magazine for audio DIYer?
Replies: 3
Views: 953

Re: which is the most popular magazine for audio DIYer?

Thanks Rick and Dean!<p>Mike
by ezpcb
Sat Oct 08, 2005 1:55 am
Forum: General Discussion
Topic: how to measure Q value?
Replies: 3
Views: 785

how to measure Q value?

Can any one tell me how to measure Q value of a capacitor, inductor or a R-L-C network? thanks!
by ezpcb
Sat Oct 08, 2005 1:54 am
Forum: General Discussion
Topic: Wide range receiver
Replies: 7
Views: 1193

Re: Wide range receiver

of course it is possible, there're already many many all band receiver. I have a IC R-20 all band receiver wich covers up to 3.3G Hz, with AM, FM, SSB, CW demodulation. I don't know wether it can receive space shuttle (I believe now days the space shuttle use digital communication) but I listen to t...
by ezpcb
Wed Sep 28, 2005 9:04 pm
Forum: General Discussion
Topic: inductance measurement
Replies: 15
Views: 2596

Re: inductance measurement

Thank you for all your helps. I'll evaluate your suggestions and choose the right way for my designing.
by ezpcb
Wed Sep 28, 2005 9:00 pm
Forum: General Discussion
Topic: Etch Resist Pen
Replies: 12
Views: 2008

Re: Etch Resist Pen

Matt,<p>I have some 44pin TQFP PIC boards,
Image
I don't know whether you can make use of them. they are free for you if you want.<p>Mike
by ezpcb
Mon Sep 26, 2005 8:01 pm
Forum: General Discussion
Topic: inductance measurement
Replies: 15
Views: 2596

Re: inductance measurement

Thank you all. Robert is right, for different inductor, different measurement method should be applied. There's no one "good" way for 1uH to 1H. <p>I wish I can check the construction of "L" meter on the back issure of N/V but I have no way to find it. Could anybody find which issue is it?<p>BTW, an...
by ezpcb
Mon Sep 26, 2005 5:48 am
Forum: General Discussion
Topic: inductance measurement
Replies: 15
Views: 2596

inductance measurement

Hi all,<p>Currently I have a project, it's a inductor meter that needs to measure inductance from several hundreds of nH to H level. Could your guys tell me any inductance measurement method and circuit? thanks!<p>Mike
by ezpcb
Thu Sep 15, 2005 8:45 pm
Forum: General Discussion
Topic: LCD Web Store
Replies: 6
Views: 1005

Re: LCD Web Store

Thanks Philba.<p>I did some contacting in the past few days and I get to know if I buy more than 10pcs of LCD, the price is so much cheaper, probably $8-$9 for a 16x2 LCD. But I have no confident on the size of the market, it's not as clear as the PCB market. The documents is not a problem, I have s...