That’s exactly the problem i’m having, the servos at the joints do make for a heavy arm.
I reduced the length by 1 inch, and repositioned a servo so it sits more on the center of gravity. But it’s still a tiny bit to heavy, i can hear the servos working when the arm is fully extended, though that’s not a real surprise, or uncommon for servos.
Using cables and tubes like a bikes breaking/gear shifting system, would take the weight of the servo off the arm, but the rigidness of the cables may be just as bad, unless i find some that are small enough, I was thinking of the cable system for the throttles of gas powered RC airplanes, it should be small and light enough for this arm.
I have to use micro servos as my robot is way to small for normal servos, the weight of normal servos could potentially tip the whole robot forward, if i were to pick up anything.
I’m going to check out possible cable possibilities later today, And i’ll see about uploading some pictures of my robots current construction.
Just with cables, you can have most of the servos away from the arm, allowing you to make a smaller, lighter arm.
BTW i have an off topic question… How many times can i write to the BAP-28-M, i know alot of rom/flash based components have a limited number of write cycles. How many does the BAP have? i’ve probably written to the thing 50 times now, which is me being conservative, but if i knew just how many it had, i could write to it more often.
Another question.
The BB2 power input says 7.2-9v, will i be risking damage if i use 10.8v?
i normally use 8.4v (71.2v AAA) rechargable batteries, leftovers from an old RC helicopter i crashed in 5 minutes.
But i also have 10.8v (91.2v) AAA packs too, i havent used them, i thought i’d ask first, i’m trying to modify them to remove 2 cells, with limited success. I may have to get a 9v voltage regulator, i have one, but it seems… off.
I’d use my 5v li-ion battery, but i dont think 5v would be enough.
