Search found 1499 matches

by Lenp
Sat Jun 07, 2008 8:57 pm
Forum: General Discussion
Topic: How To Print Out Schematics
Replies: 10
Views: 66833

Quick Tip, Send the document off to the local Staples Print Center. They can print almost any reasonable size, quickly and not too expensive. You can even send the document via the net to save one trip. We were going to invest in a plotter but considering the dry/dead cartridge issues related to inf...
by Lenp
Sat Jun 07, 2008 8:45 pm
Forum: General Discussion
Topic: pcb impulse relay? ...or 'stepper', 'ratchet', 'sequencing'
Replies: 23
Views: 10876

Quick note Anybody remember the Alco FRE-103 series of 'isolation relays'? It was a 120V plug-in cube, with a NO/NC outlet and a pair of pins for the control. It was, in effect, a low voltage transformer/relay but it was all done in one assembly. It was a a two coil assembly, with a box like laminat...
by Lenp
Sat Jun 07, 2008 8:31 pm
Forum: General Discussion
Topic: pcb impulse relay? ...or 'stepper', 'ratchet', 'sequencing'
Replies: 23
Views: 10876

geb, I think this is the minimum you can get away with to do your push on/push control with a 'simple' switch. These work with a solenoid coil that operates microswitches via a clever toggling cam. A quick search on line, turned these up. They are (were) made made by PB and I used them in the past f...
by Lenp
Fri May 23, 2008 3:49 am
Forum: Computer Programming
Topic: PICAXE CODE?
Replies: 4
Views: 5083

Steve, I guess the real issue is that PicAxe appears not to support arrays, and some references to the I/O structure must be 'labels' and do not support variables. If pinX statement could be assigned to an array, or if it accepted a variable then it could be tested in a loop. Many commands will acce...
by Lenp
Tue May 06, 2008 8:37 pm
Forum: General Discussion
Topic: A problem to solve...
Replies: 18
Views: 9744

NM I am currently involved with 3 projects and am using the PicAxe chips. I also started years ago with Parallax but now they, for the most part, gather dust! Yes, I know there will be a slam from some programming pundit that preaches that all programs must be in 'C' or whatever non-human language i...
by Lenp
Tue May 06, 2008 4:39 pm
Forum: General Discussion
Topic: A problem to solve...
Replies: 18
Views: 9744

Hi NM I think a low end processor, a few lines of code, driver transistors and relays would make t all happen. If you prefer solder logic, the old standby 555 would get the job done. Put them in series so A triggers B and so on. Also commercial time delay relays are available that could be connected...
by Lenp
Mon May 05, 2008 7:03 am
Forum: Computer Programming
Topic: PICAXE CODE?
Replies: 4
Views: 5083

PICAXE CODE?

It appears that some commands in the PicAxe (and others) dialect will not accept variables, since they are 'reserved' For Example THIS WORKS For b0=1 to 5 High b0 Next THIS DOES NOT For b0=1 to 5 IF PIN b0=1 THEN...... Next The program needs to determine the status of 15 individual inputs, in 2 diff...
by Lenp
Fri May 02, 2008 9:48 am
Forum: General Discussion
Topic: Numbers
Replies: 22
Views: 8700

Bigglez

Like most others, you know what the numbers are for, but the real question was WHY were THEY chosen?

MrAl
Logical choices stand the test of time!

Len
by Lenp
Fri May 02, 2008 8:34 am
Forum: General Discussion
Topic: Numbers
Replies: 22
Views: 8700

Numbers

Anyone that has been around this 'business' will probably know what these numbers are related to, but, what was the rationale that created them?

50 Hz and 60 Hz
256Khz, 455 Khz and 10.7 Mhz
3.579545 Mhz

Add on if you will!

Len
by Lenp
Fri May 02, 2008 7:28 am
Forum: General Discussion
Topic: Great animation of the Space Station
Replies: 5
Views: 2628

Incredible!

As a person who in the past, worked or 'aero machines' it is hard to appreciate that these 'craft' need no aerodynamic designs or capabilities.
Quiet! You can hear Wilbur and Orville gasping!

Len
by Lenp
Fri May 02, 2008 7:21 am
Forum: General Discussion
Topic: XBee?
Replies: 2
Views: 2146

XBee?

I just ordered some XBee \ XBee Pro evaluation modules for a new design project. Anyone out there with hands-on experience that wants to toss in comment is certainly welcome. They will be married to Pic processors.

Len
by Lenp
Wed Apr 23, 2008 5:36 am
Forum: General Discussion
Topic: Blue transfer paper
Replies: 21
Views: 8586

Mr Al, I've been using Press-n-Peel since it was released, and with dependable and repeatable success. There are a few pitfalls I've run into and they all can be resolved easily. We tried the paper/toner route and it does work, but the added layer of film from the PnP makes for a better finish and a...
by Lenp
Sun Apr 06, 2008 5:02 am
Forum: General Discussion
Topic: Front Panels
Replies: 23
Views: 10276

Hey guys! There are lots of ideas, and some may be considered as an alternative. I think the CNC panels are nice but unless the cost comes down, they might not be viable for many builders. I do remember years ago there was a chemical etch system. I think it used a coated aluminum panel. Anybody ever...
by Lenp
Sun Apr 06, 2008 4:49 am
Forum: Up For Grabs
Topic: cell phone stuff
Replies: 8
Views: 7969

Jollyrgr,

I think, because of their age, the phones I have are all AMPS / TDMA and not CDMA. If anyone is interested I'll dig them out and post the model numbers.

Len
by Lenp
Tue Apr 01, 2008 8:20 am
Forum: Up For Grabs
Topic: cell phone stuff
Replies: 8
Views: 7969

More of the same

Tag me onto this post as having several Moto 'Bag' phones as well as others that are headed for the deep six if nobody speaks up soon!
Pay the postage it's yours.

Anybody thought about hacking these obsolete phones to do something else? Maybe flashing fishing lures?

Len