T&L Publications

My cell phone can only do speeds of 9.2Kbps.<p>Is it possible to use current GPRS cell-network systems? Probably not....but it's a thought.<p>I'll try the local HAM society, and unfortunately, it sounds like this will not be a reality in my area, as I cannot set up a directional antenna, or any larg...

Then what about 10 miles? Why is it not possible to just use the 50MHz band? I assume at that frequency, the transmission could be omni-directional. There would be a slight amount of dropped packets, but software could get around that, right?

I would like to create a radio modem system that can give computer data speeds of a 56k and up at a range of 50 miles. HELP!!!<p>Eventually, I would like to be able to create a network of these devices.

I wouldn't be the one to know, but is that legal? I know of some people that are working on being able to track all the cell phones that are currently turned on in the surrounding area.<p>This sort of stuff (radio tracking and related circuits) really interests me, anybody have any "neat" ...

Yes Edd, I am aware of the lower efficeincy and light output. The display does not need to be very bright, just enough to be visible.<p>~Kyle

*laughs*<p>It's for my senior project in school, I'm building an animated sign board. Individual LEDs appear as more work for the builder ;) , goes over well with the audience :p <p>I also do work for a DJ, and he wants a display on the inside of a jacket that he can hold open and make graphics disp...

I saw a demo at the University of Washington about a new economy-safe car.<p>The fuel is hydrogen, which is burned in small chambers. The flames in the chambers are next to a "new, high-tech" solar cell, giving enough energy to turn charge the battery cell. That cell is also giving off ene...

Anyone have a MAX038 that they could send to me?? I don't want to wait for Maxim's sample system....<p>UPDATE: Nevermind everyone...I just checked the price, and I thought they were just another $.50 IC like all the others. <p>$15??? :eek: <p>Guess I'll have to wait for Maxim....<p>[ February 18, 20...

Good thing I have a couple months to solder them all <p>Besides, where's the fun in using displays anyway??

Yes, the application is for an audio amplifier. I'm working on a design and I need to build a power supply for it.<p>Dan - <p>I wouldn't want you to wind a transformer for me, because I wouldn't be able to pay you what it's worth to you. If you wind one, keep it for yourself.<p>About the step-down t...

Thanks joesmith, I just bought 1000 of em.

Thanks for the replies, I chose to go the individual LED route - much more impressive looking to see 500 LEDs than 10 displays :p

Good day everyone, I have something I need to build but don't have the time to design it right now.<p>I need a sine wave generator for audio use, and I'd like it to be PIC based. I would prefer there to be a seven-segment or LCD readout of the frequency and voltage. control of frequency is by push b...

Chris Foley:<p>all the specifics of the displays really depend on price. The application is for an animated sign board display for my senior project in school.<p>Quantity needed is 10, color is red or green, matrix size is 5x7 or 5x8, I would prefer display height of 2" or so, but again, it wil...

Do you have any laptops? Any rackmount cases?<p>~Kyle