What is the electric furnace for ? is it a shop heater or for some more diabolical application ? Dave ... to full ... Hartman electric ... heating ... ...
41299
Dave Mucha
dave_mucha
Nov 1, 2007 12:15 pm
... microcontroller and ... PIC is easier to remember PIC is easier to spell. MCS51 sounds more complicated so you can sell it for more money. ... the pic ... ...
41300
Patrick A. Timlin
ptimlin
Nov 1, 2007 1:35 pm
If you are looking at processor families to figure what might be best to use, if you are looking at the PIC line, then you might want to also add the Atmel AVR...
41301
Rick Sparber
rgsparber
Nov 1, 2007 1:36 pm
... Dave, The furnace is used to melt aluminum. I own a charcoal fueled furnace but after many years of use plus being moved across country, it is now shot. My...
41302
Patrick A. Timlin
ptimlin
Nov 1, 2007 1:39 pm
... I made a couple mistakes. First was a type above. Should have read that the Itel line is *NOW* obsolete. My other mistake was stating the MCS51 was Intel...
41303
Rick Sparber
rgsparber
Nov 1, 2007 1:48 pm
... Steve, Thanks for the kind words. It was one of those projects that is mostly mechanical (mounting BIG plugs and TRIAC) and not much little electronics....
41304
Dave Mucha
dave_mucha
Nov 2, 2007 11:46 am
Don't Fret Patric, it was a homework assignment, probably with some history kicked in to show why and how things evolved and what families of processors are ...
41305
Patrick A. Timlin
ptimlin
Nov 2, 2007 12:29 pm
... Yes, they used to be known as "Itel" but too many trade secrets were lost, so they told everyone that what goes on at work stays IN work and to remind...
41306
rtstofer
Nov 2, 2007 2:10 pm
The 8051 clones still have a huge percentage of the uC market. Among many others, Atmel makes a full line of chips including those based on their C251...
41307
Kurian Polachan
kurianpol
Nov 2, 2007 2:31 pm
pic is having risc architecture whether the same is true or 8051 has a cisc architectures? ... -- Kurian Polachan Electronics and Communication Engineering ...
41308
Ryan
ryanreenter
Nov 2, 2007 2:54 pm
I am interested in building an RF transmitter. Anyone know where I can get some plans and a parts list for that?...
41309
Chuck Merja
ebiz_59
Nov 2, 2007 2:56 pm
Cute interchange you two :o)) ... Yes, they used to be known as "Itel" but too many trade secrets were lost, so they told everyone that what goes on at work...
41310
Steve
alienrelics
Nov 2, 2007 2:57 pm
See? Those who really need to, don't bother reading the files they get when joining. Try http://www.google.com What kind of RF transmitter? What frequency?...
41311
Leon
leon_heller
Nov 2, 2007 4:05 pm
... From: "Ryan" <ryanreenter@...> To: <Electronics_101@yahoogroups.com> Sent: Friday, November 02, 2007 2:51 PM Subject: [Electronics_101] Starter...
41312
Weedy Tan
weedytan
Nov 2, 2007 4:27 pm
Hi, I need some info or websites (I did tried Google but cannot seem to get the correct search words) on how to reconcile the following: Say, I have some limit...
41313
Patrick A. Timlin
ptimlin
Nov 2, 2007 5:09 pm
... As others have already pointed out, it all depends on what you want to do. But one trick if all you really need to do is activate a couple/few things...
41314
Patrick A. Timlin
ptimlin
Nov 2, 2007 5:37 pm
... If you want to do it dirt simple and cheap, then a simple two resistor voltage dividers would do the trick. For extra protection maybe a zenor diode on the...
41315
rtstofer
Nov 2, 2007 6:37 pm
... 24VDC.These switches or sensors are to go to the parallel port's INPUT PINS.Considering that the parallel port INPUTs and OUTPUT Pins are 5VDC TTL, how do...
41316
Joseph Owens
ojate314
Nov 2, 2007 6:52 pm
Hi, I was wondering if anyone had any plans on building a Capacitor Discharge mini tack welder. I have done a lot of research trying to find a very simple plan...
41317
Steve
alienrelics
Nov 2, 2007 6:58 pm
A search of recent messages for "spot weld" or "tack weld" will show some very recent links sent to the list. The problem with using capacitors is that the...
41318
pfklammer
Nov 2, 2007 8:31 pm
... I can't imagine what you think you're talking about. The 8051 lives on in legacy applications, and there are market-specific versions (x51 plus crypto on...
41319
Patrick A. Timlin
ptimlin
Nov 2, 2007 8:47 pm
... Actually I think back through the 80s and the 90s, the largest used family was the old 68000 line of ICs which were heavily used in embedded applications...
41320
rtstofer
Nov 2, 2007 9:21 pm
... It's hard to get a good comparison in terms of chips or $. But the '51 clones are far from dead and new versions are being released. ... That's clearly an...
41321
pfklammer
Nov 2, 2007 9:22 pm
... No, of course not, that's not what I claimed. I'm taking company spokesmen for their word; I haven't disassembled an iPod myself. But that's the rest of...
41322
orvillefpike
Nov 2, 2007 9:41 pm
Look at this post and other with the title "microwave transformer" http://groups.yahoo.com/group/Electronics_101/message/41208 ... only 6 ... because ... low ...
41323
rtstofer
Nov 2, 2007 10:29 pm
... There's a very active LPC2000 group here on Yahoo and, yes, there is a lot of work going on with ARM7s. These things run around 60 MHz, have a full...
41324
Chris M
chrism3667
Nov 2, 2007 10:45 pm
what is the *safe* wattage rating of a device whereby you can receive power from an automotive battery, let's say for spans of 2 hours, that won't degrade it ...
41325
Chris M
chrism3667
Nov 2, 2007 10:47 pm
I have a few questions. Thinking of purchasing one :) __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the...
41326
Roy J. Tellason
rtellason
Nov 3, 2007 12:30 am
... That's going to depend on an awful lot of factors. One of them is the efficiency of the inverter -- just because it's rated for a given output doesn't...
41327
Weedy Tan
weedytan
Nov 3, 2007 1:15 am
Patrick, thanks. That was a very clear explanation. I will work on it. Weedy ... From: Patrick A. Timlin <ptimlin@...> To:...
