I have several servos that I have modified for continuos rotation. As long as the low/high pulses I send to the servo are less than/greater than 1.5ms...
1509
Reconbot@...
Sep 1, 2000 4:03 pm
no it wont matter a bit. But, some servos have been reported that at a verry small differnce from the center the servo will run slower. This may be caused by a...
1510
litewav@...
Sep 1, 2000 9:46 pm
I get a few of these blank emails every week or so from different people I think. Why is that? Anyone know? Thanks, Chris http://www.litewav.com...
1511
Richard Soennichsen
richas@...
Sep 1, 2000 11:31 pm
Thanks to all who provided me with advice on the encoder code. My first attempts will be to utilize the 89c51rd2's PCA capture with interrupt. Every leading...
1512
warrenhb
warrenhb@...
Sep 2, 2000 1:27 am
Neil asked me for a copy of my line following maze flowchart, which at the time was just pencil on paper. I decided to try to enter it into a computer program...
1513
Reconbot@...
Sep 2, 2000 2:42 am
I found this old battery in some storage I had put away. Its 12v 2.3Ah (what does that stand for?) and I have no idea what kind of battery this is. It came...
1514
Mark Medonis
mark@...
Sep 2, 2000 5:55 am
Hello Robot folks- Well, DC, AC, PWM is that waggly signal on my scope thingy. ;-) The much more interesting technical bit is the piezo electric actuator. ...
1515
Bryan Minugh
bminugh@...
Sep 2, 2000 7:20 am
Panasonic VCRs use "PV-" as the start of the model number. The "BP" means "Battery Pack". If it feels like a lead brick when you pick it up, that's because it...
1516
John M. Adipietro
jumaforce@...
Sep 2, 2000 12:22 pm
Your battery looks very similar to some that I had a few years back, and with similar specs. They were sealed lead-acid batteries, 12v at about 2 amp-hours....
1517
John M. Adipietro
jumaforce@...
Sep 2, 2000 12:30 pm
One more thought on the batteries. When I got mine, they had been sitting (drained) for a couple years already and refused to hold a charge. This is mostly...
1518
Richard Soennichsen
richas@...
Sep 2, 2000 2:51 pm
Thanks to all for suggestions on solving this problem. The eval board I am using has a DC/DC converter for producing 12V from 5V in order to program flash...
1519
Randy Carter
rwcarter@...
Sep 2, 2000 2:58 pm
The battery is a jelled electrolyte lead-acid battery. This is the same basic type you have in your car. The unfortunate thing about them is they do have a...
1520
BusterBot@...
Sep 2, 2000 4:45 pm
I have a couple of those sheets of plexiglass that you buy from home depot for like $1.25 (about 8" x 11") How can I glue then together to make a box. I...
1521
BusterBot@...
Sep 2, 2000 5:54 pm
Actually I forgot to mention, I was trying to build a real cheep fish tank with it, I figured Id glue the sides and bottom together, then on the inside seems...
1522
Larry Barello
lbarello@...
Sep 2, 2000 6:10 pm
Get Plexiglas cement. Home depot should carry it. It is basically model airplane cement, tuned for acrylic plastics. You can also just get the solvent,...
1523
Jeff Spencer
jeffsp@...
Sep 2, 2000 6:39 pm
I'm looking for some new gearhead motors for a 4x4" robot. I'm currenlty running Futuba S148's which is a nice size. But I'd like something faster without...
1524
Jeff Spencer
jeffsp@...
Sep 2, 2000 6:47 pm
Francis is correct that the standard servo modifications don't allow good speed control . However, you can modify a Futuba S3003 for speed control. The...
1525
BusterBot@...
Sep 2, 2000 7:20 pm
Im going to go and ask them what they use to seal the seems on a glass fish tank. Thanks Guys In a message dated 9/2/00 2:59:52 PM Eastern Daylight Time,...
1526
Reconbot@...
Sep 2, 2000 8:03 pm
I know the screwdriver for the nokia phones is a torx T6, but does anyone know what the one for the gameboy is called? (The ones i make keep on breaking.) ...
1527
Doug.Kelley@...
Sep 2, 2000 8:54 pm
I ended up using a knife for the body and "breaking"; the eyeball with a screwdriver. Who keeps inventing this stupid screw types??? BTW, I've got my gameboy...
1528
Kevin Ross
kevinro@...
Sep 2, 2000 9:02 pm
Its that time of the month again! We have a good set of articles for your September Encoder, but we can always use more! I would like to publish the next issue...
1529
Jeff Spencer
jeffsp@...
Sep 2, 2000 9:06 pm
I'm sure this particular screw design was picked specifically so kids wouldn't take apart their expensive toy. But it's quite a pain for us. I was planning on...
1530
Dan Creagan
dcreagan@...
Sep 2, 2000 9:52 pm
I visited this problem early this year. I remembered (with some help from the list) that Acetone or MEK will dissolve the different Plexiglas versions. I...
1531
Bryan E. Daniel
bedaniel@...
Sep 2, 2000 10:42 pm
BE SAFE ! Wear safety glasses. Safety eyeglasses can be found at hardware stores. Protect your vision! I recently met a man who lost his left eye four years...
1532
Larry Barello
lbarello@...
Sep 2, 2000 11:46 pm
You can take a standard servo motor, strip the electronics and run it from a 12 volt supply with PWM control. The higher voltage supply roughly doubles the...
1533
Bryan E. Daniel
bedaniel@...
Sep 3, 2000 12:53 am
Hello SRS, Work outdoors if possible when cementing acrylic plastic. Open a door as well as a window when using paints, glues, cements or anything that...
1534
RoboVac
robovac@...
Sep 3, 2000 1:12 am
The Ah stands for Amp Hours, with 1 Ah meaning the battery can in thery deliver 1 Amp for 1 hour. In pratice the rate of discharge has a large effect on how...
1535
Kevin Ross
kevinro@...
Sep 3, 2000 1:13 am
Test of servo motors have determined that they will last for about 100 running hours at the standard 5volts. We had 4 robots running in a box at the Pacific...
1536
Bryan E. Daniel
bedaniel@...
Sep 3, 2000 1:47 am
Hi Jeff Spencer, and SRS, Which gearhead motor websites have you tried? C and H Sales Company has a new Fall 2000 catalog. http://www.candhsales@... ...
