Greetings. I have brought old PCs (Pentiums, usually 200MHz or less) to past RSSC meetings as giveaways. I still have a few left, between the house and...
Jeff Shirley
bucky@...
Jun 1, 2005 4:12 pm
3298
hello everyone, as i cldnt find servo motors in my place i have planned to use three stepper motors instead for my robot. but can i connect the three stepper...
Hello, My name is Padu Merloti, I'm a graduate student at SDSU and I'm working on my thesis project, ALR2 (autonomous long range rover). The project goal is to...
What's a good PWM frequency to run motors at? I want to PWM an R/C Car's motor for speed control. Is there a way to calculate such a frequency depending on the...
From: snoop123y What's a good PWM frequency to run motors at? I want to PWM an R/C Car's motor for speed control. Is there a way to calculate such a frequency...
Padu, Thats right. R/C Motor controllers are controlled by a 50Hz signal, but the output of the motor control, the PWM signal that it produces, to the motor is...
Hi Charlie. [snip] ... [snip] So far, I have used PWM frequencies in the 1 to 2 KHz range, and I think other RSSC members have too. The downside is that my...
Jeff Shirley
bucky@...
Jun 3, 2005 11:20 pm
3305
Yes Please bring them to the meetings Jim Ubersetzig ... From: SDRS-List@yahoogroups.com [mailto:SDRS-List@yahoogroups.com] On Behalf Of Jeff Shirley Sent:...
Hi Jim. ... I brought a 200MHz HP desktop last time, and if not for Steve Vorres' excellent salesmanship, I would have had to take it home again. I can bring a...
Jeff Shirley
bucky@...
Jun 6, 2005 10:16 pm
3308
Jeff Yes, please bring the computer to RSSC. I have the accessories - but a spare monitor would be nice. Jim Ubersetzig P.S. If you like - we can transfer it...
Directions to CSUF are great but where is the meeting held at CSUF? I couldn't find them on the website, though maybe I'm just not looking hard enough. ...
RSSC meets in the EE building, follow the signs to parking lot "I". It's the building on the left. Room number is posted on the building's door. 2'nd Saturday...
Hi , at Frys last weekend : Someone ( Alan was it you ? ) who brought the ARM7 pcb , Micro Servos and a home made machined mounting flange for them to...
steve vorres
svorres@...
Jun 9, 2005 9:57 pm
3313
Hi Steve. ... I would like to hear about it as well. I just ordered an ARM7 board (Philips LPC2138). If FedEx keeps their word, I should be able to bring it...
Jeff Shirley
bucky@...
Jun 9, 2005 10:59 pm
3314
Hello! Yeah, that was me with my grab-bag o stuff. Hopefully next month I'll actually have something assembled. the milling is going suprisingly well for my...
Hey Alan (Bill, Gary, Steve, etc.). ... [snip] I built GCC for the ARM on my Linux laptop, and compiled one of the example programs from NMI. I modified the C...
Jeff Shirley
bucky@...
Jun 15, 2005 3:07 am
3316
Amen to that! Every time I read through the lpc arm book I understand it a little bit better, but I couldn't write one from scratch. Thanks for bringing your...
Alan, [snip] ... I downloaded the packages using the links at the following site: http://rod.info/arm.html This page also has some nice build scripts. The...
Jeff Shirley
bucky@...
Jun 27, 2005 6:21 pm
3318
Hi, Anyone work with the SHARP derivative ? MCU and SoC: ARM 7 - Sharp Microelectronics Products ...
I just received the July issue of Servo magazine - with a renewal notice pasted to the front of it. Is the RSSC club going to be renewing our subscriptions as...
Hi Bruce. ... It would be great if we could renew our subscriptions at the reduced "club rate". Definitely count me in. I recall we needed a minimum of six...
Jeff Shirley
bucky@...
Jun 28, 2005 3:36 pm
3321
Hi Dan. ... The GCC V4.0.0 manual indicates it should support the ARM7TDMI-S devices (LH754xx), and ARM922T devices (LH7A40x). I did not find an explicit...
Jeff Shirley
bucky@...
Jun 28, 2005 4:01 pm
3322
I am not sure when mine expires, but I would want in on a renewal ... From: Jeff Shirley To: SDRS-List@yahoogroups.com Sent: Tuesday, June 28, 2005 10:34 AM ...
Yep: We will meet in the coffee shop at the FRY's electronics store. In San Marcos at 1pm this Saturday. Steve...
steve vorres
svorres@...
Jun 28, 2005 11:24 pm
3327
The RC HoverCraft I demo'ed at the RSSC meeting (and have since hacked) is on sale for $29. There are twin fan and single ducted fan versions available: ...
With the slow but apparent increase in spam postings I suggest the moderators consider closing posts to only members. While this will not eliminate all spam...