Search found 97 matches
- Wed Jul 23, 2008 6:08 am
- Forum: General Discussion
- Topic: a simple but useful tool
- Replies: 1
- Views: 1794
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...
- Fri Jul 07, 2006 2:34 am
- Forum: General Discussion
- Topic: Free nice multimeter
- Replies: 1
- Views: 1856
Free nice multimeter
HI all
There's a free nice multimeter for any new customer.
pls visit www.ezpcb.com for detail.
Mike
There's a free nice multimeter for any new customer.
pls visit www.ezpcb.com for detail.
Mike
- Mon Dec 05, 2005 9:30 pm
- Forum: General Discussion
- Topic: Subscription problems
- Replies: 18
- Views: 12285
Re: Subscription problems
I always receive at the end of a month. but I haven't receive November issue till now.
- Mon Dec 05, 2005 9:29 pm
- Forum: General Discussion
- Topic: 4 phase unipolar stepper motor drive board
- Replies: 4
- Views: 2490
Re: 4 phase unipolar stepper motor drive board
I guess it should be the default status when power on.
- Mon Dec 05, 2005 9:27 pm
- Forum: General Discussion
- Topic: amplify an oscillator sinve wave, without an op amp
- Replies: 8
- Views: 4183
- Fri Nov 25, 2005 12:06 am
- Forum: General Discussion
- Topic: plastic enclosures
- Replies: 0
- Views: 1375
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...
- Fri Oct 21, 2005 12:49 am
- Forum: General Discussion
- Topic: which is the most popular magazine for audio DIYer?
- Replies: 3
- Views: 2439
Re: which is the most popular magazine for audio DIYer?
Thanks Rick and Dean!<p>Mike
- Tue Oct 18, 2005 11:39 pm
- Forum: General Discussion
- Topic: which is the most popular magazine for audio DIYer?
- Replies: 3
- Views: 2439
- Sat Oct 08, 2005 1:55 am
- Forum: General Discussion
- Topic: how to measure Q value?
- Replies: 3
- Views: 2140
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!
- Sat Oct 08, 2005 1:54 am
- Forum: General Discussion
- Topic: Wide range receiver
- Replies: 7
- Views: 3270
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...
- Wed Sep 28, 2005 9:04 pm
- Forum: General Discussion
- Topic: inductance measurement
- Replies: 15
- Views: 6631
Re: inductance measurement
Thank you for all your helps. I'll evaluate your suggestions and choose the right way for my designing.
- Wed Sep 28, 2005 9:00 pm
- Forum: General Discussion
- Topic: Etch Resist Pen
- Replies: 12
- Views: 5177
Re: Etch Resist Pen
Matt,<p>I have some 44pin TQFP PIC boards,
I don't know whether you can make use of them. they are free for you if you want.<p>Mike
I don't know whether you can make use of them. they are free for you if you want.<p>Mike
- Mon Sep 26, 2005 8:01 pm
- Forum: General Discussion
- Topic: inductance measurement
- Replies: 15
- Views: 6631
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 is...
- Mon Sep 26, 2005 5:48 am
- Forum: General Discussion
- Topic: inductance measurement
- Replies: 15
- Views: 6631
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
- Thu Sep 15, 2005 8:45 pm
- Forum: General Discussion
- Topic: LCD Web Store
- Replies: 6
- Views: 2957
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...