So I just "finished" the $50 robot but it's not working and I have a few questions (Everything is complete, and the programming said it was successful).
Whenever I turn the robot on the LED flashes and I can feel the servo clicking with it. From my experience (which is pretty limited) that seems like it's a current overdraw. This led me back to one of my original confusions with this project:
-The tutorial gives you two methods of a battery pack (6V) or build your own (4.8V) + a 9V.
-It says to make a 4.8V with 4AA batteries, but isn't a AA battery 1.5V so 1.5*4=6V?
-Based on my assumption (and measuring with a voltmeter) I made my own 4AA alkaline battery pack to supply 6V to the system and continued on as though I had a 6V battery pack.
Basically what I'm asking is:
-What they mean when they say 4AA batteries will make 4.8V?
-Is it likely to draw too much current to use 4AA (6V) alkaline batteries instead of the battery pack? (I'm also using cheap no-name batteries, the better ones are powering my Wii remotes
-What size resistor should you use with the LED (I know it'll only vary the brightness, but what did you use?)?
-My servos are still unmodified, but if everything else is correct then though should spin to a specific location and not a specific speed correct?
-What size capacitor and voltage rating did you use for the capacitor just after the voltage regulator (sorry, but I thought that part of the tutorial was kind of confusing).
-If the PonyProg2000 confirms that it was programmed successfully (using the less expensive 10pin header cable), can you be sure it is correct (is there some feedback to ponyprog that confirms it is complete)?
Sorry that this is a bit long winded, but I have been trying to figure this out for quite some time now and I really want to get this working so I can continue studying up on (and testing) the more technical aspects of it.
Thanks in advance!