Jab, thats too bad to hear, all that work:-( Listen, you need to test the outputs of the the hc14 or whatever is providing the signals WITHOUT the motor...
56451
Harold
haroldilano
Jul 30, 2007 4:45 am
Poor little bot. Well, what have you done this time, Jab? Hehehe... (just kiddin' man). Yep, that's the part of the experiment bro. That's ok. You'll get the...
56452
Harold
haroldilano
Jul 30, 2007 4:58 am
You're getting more advanced Jab! And I'm excited to see that dozer walking man. Keep up the good work! :) ... was ... left...
56453
Harold
haroldilano
Jul 30, 2007 5:03 am
You're getting more advanced Jab! And I'm excited to see that dozer walking man. Keep up the good work! :) ... was ... left...
56454
wilf rigter
wilf_nv
Jul 30, 2007 5:43 am
The floating pin is probably what made it work and what killed it. In principle the dozer circuit cannot provide the sequence of control signals needed for...
56455
Thomas White
ravens_quill...
Jul 30, 2007 7:10 am
From what little research I've done, it seems that 'black_machine_1' is an email produced by a program that is supposed to look like an A.I. but is more...
56456
jabmechtech
Jul 30, 2007 2:26 pm
Hi, group. Ok, here are pictures of what I'm doing or attempting to do. http://tech.ph.groups.yahoo.com/group/beam/photos/view/ac39?b=25 The motors point down...
56457
jabmechtech
Jul 30, 2007 2:39 pm
Hi, Harold. I was running it at 3.6Vdc. I'll check the specks. (i did not even know you had to). well, Live and learn. Thanks Man. Jab ... That's ... in ... ...
56458
Harold
haroldilano
Jul 30, 2007 3:02 pm
Hello Jab! Yes, just to make sure, just download the datasheet for a specific chip, so you'll know the proper voltage needed for that specific chip (or...
56459
jabmechtech
Jul 30, 2007 3:28 pm
Thank You. I'll start from scatch and test as i go. my style is build it and see what happens, but that is not very productive lately. change is good. Learning...
56460
wilf_nv
Jul 30, 2007 5:11 pm
The dozer circuit will work fine with the OWI walker but you need more current for the motors than the 245 driver can supply. Use 4.8V and a L293 or some...
56461
jabmechtech
Jul 30, 2007 5:48 pm
Hi, Wilf, Thank you. "emitter follower transitor drivers" Is that like a Transitor H- bridge? Sorry I don't understand. I'll look up the L293 specks I only...
56462
beam@yahoogroups.com
Jul 30, 2007 6:52 pm
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the beam group. File : /mechtechs/SETest...
56463
jabmechtech
Jul 30, 2007 7:05 pm
Hi, Group. Ok I don't know if this is right. I Looked at Harolds' bicoretank circuits and they use this IC L293D. so I Matched it up with Jo Charles' 'Dozer...
56464
beam@yahoogroups.com
Jul 31, 2007 2:38 am
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the beam group. File : /Jabs_project.JPG ...
56465
Harold
haroldilano
Jul 31, 2007 2:44 am
Hey Jab? How's your bot doing? Well, I just made a drawing for your project plan on dozer. I don't know if it will work well (I haven't tested it yet) but you...
56466
Harold
haroldilano
Jul 31, 2007 3:01 am
By the way, the enable pins (E1 and E2) of the L293D can also be connected to ground (or positive?) if you don't want to use the 5 sec. delay circuit....
56467
jabmechtech
Jul 31, 2007 3:36 am
Hey Harold, Thank you. I was close. Ok let me work on this and I'll let you know how it gose. I realy appreciate that, Thanks. Jab...
56468
Harold
haroldilano
Jul 31, 2007 4:03 am
Hi Jab! Yeah, hehehe.... I just hope it works. No problem bro, anytime! Goodluck then. :) ... I'll ... 5 ... from ... all! ... timer ... are ... Jo ... and ......
56469
jabmechtech
Jul 31, 2007 4:13 am
Hi harold. Thanks, Ive got it all down on paper. One question:) to get 5v from a 6v batterie pack would I run4 diodes from the (+) to the circuit? dose the...
56470
Harold
haroldilano
Jul 31, 2007 4:33 am
Ok, to make life more easier, just use an LM7805 regulator. It's a 5 volts regulator IC that looks like a transistor, with 3 pins too. These 3 pins are input,...
56471
jabmechtech
Jul 31, 2007 12:22 pm
THANKS Harold. Jab ... 5 ... way ... and ... drawing ... and ... 5...
56472
Charles
fordtechbot
Jul 31, 2007 1:30 pm
Hey guys. I just finally finished a dozer with a L293 motor driver. It is exhibiting some odd behaviors. When it starts up it moves off towards the light....
56473
Charles
fordtechbot
Jul 31, 2007 1:39 pm
I forgot....I also am using batteries that put out about 7.5 vdc. I used the voltage regulator I found in an old beam ant file that was on solarbotics, but...
56474
jabmechtech
Jul 31, 2007 3:03 pm
... Hi, Charles. Great to hear! Yes the dozer with 74ac245 motor driver did sort of the same thing. it prefered the light from the window, and it would also...
56475
beam@yahoogroups.com
Jul 31, 2007 3:30 pm
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the beam group. File :...
56476
Bill
wjl82871
Jul 31, 2007 4:53 pm
Hello, I have a few little solar cells laying around. I know how to find the voltage of the cell, but how do I find the amp output? Do I need to make some sort...
56477
jabmechtech
Jul 31, 2007 6:03 pm
Thank you Wilf. I appreciate your help with this. Jab...
56478
Jesse
mr.jesse007
Aug 1, 2007 12:14 am
hello Bill. (ever seen the movie kill bill? JK) hooking up you meter in series is a way to read current, but you must remember that the load determines the...
56479
Mike Robertson
tzarkyl
Aug 1, 2007 3:12 am
i need some ideas/schematics for sensors for my new bot....i want to have modular types that i can plug and swap to change the function of the bot. some i...
