Robot Building Questions

Thumper 4Wd Controllers

Do I need one controller per motor or one controller per side? In another thread, DJ said, "one controller per set" but in the same paragraph he said "running multiple motors (in series or parallel) is a bad idea" Are the 2.5A controllers enough? Apparently this thing draws 14A max. Is there a controller I can get that will...

Comparing Dates

Hi All I am trying to write a script that loads a text file and announces messages.... Eg. $Start_Date,$End_Date,$Message 12/11/2013, 12/16/2013, Concert in the Park this week Etc. Problem I have is that EZ-Script runs a calculation on the dates so that they become month divided by Day divided by year... So as a work around I separated the date...

ARC

Is there an auto update for the ARC, or am I just not finding it? confused

New Project: Pc-Bot

Hi, My desktop-PC's Motherboard just died yesterday... So maybe it is time to buy an all new PC! What I have in mind is to try to build a Desktop-PC-Bot around a mini-ITX MB: It should be a desktop-PC when I am at home and a robot when I am out (or when i don't need the PC). I will use a commercial or homemade chassis and put outside wheels, PING,...

Away For A Few Days.

I haven't been very active in the website for a bit, and won't be back for a few more days. Sorry everyone.

6 Servo Arm Info Requested

I am considering purchasing the 6 Servo Arm to play chess (although probably with a fairly small chess set). Are there more detailed drawings of the arm and its reach envelope? How about videos of the arm in action?

Voice Choice On 64 Bit System

I cannot change Voices on my 64 bit system, ARC Version 2013.01.16.00. My 32 bit system works fine with this version and previous versions of ARC worked fine on my 64 bit system. I can select an alternate voice but it does not change it. Other Text to Speech Software works fine, as does Microsoft Narrator. Changing the Narrator default does not...

Usb Dongle Question

Hi. I bought ez-robot and i tried to use this. I read and saw your camera tutorial. but i can't find wirless pc camera list that list has only 3 selection. AR_Drone Brookstone_Rover Wireless vidio device I selected all of them but i can't see camera screen in my monitor how to use this device?

Robot Motor Question

Hey all Is it possible to tell by these specs how much weight these motors can carry? If not how can i find out? Any help I'm grateful for. Motor: 12V DC nominal, at no load RPM ~ 16, current ~ 0.25A. Stall current ~ 4.5A and stall torque = 71 Kgcm = 6.9 Nm = 61.6 lbin = 977 ozin. With 2 motors you get a massive ~2000 oz*in torque. Weight ~1 lbs...

Need A Screw To Hold The Kit Wheel On The Kit Servo

I have tried to shim the wheel but it keeps coming off. I could glue it on but I didn't want to gum up the servo. I need a screw greater than 0.75 in (19 mm) and less than 1.0 inch (25 mm). I can't find any longer than 8 mm. A common servo thread size is M2.5 but I don't really know what I need. Anyone know where to find such a screw (or have...