I really like the Hexapods FROM LynxM, and i`ll soon have time to build one =}
Im Gamedesigner in spe, and now im gettin reely excited about those hexapods u have. I have expierience in programming/assemblingā¦ However im not sure if i should get the kit, or use parts from the servo erector (where it is stated that āAll EH2 tutorials apply to provide RC or autonomous operationā) to build the bot.
It`ll be a MH2 with 2DOF legs, and a big gripper as a head (2DOF-āneckā) i ve heard that i shouldnt take the smallest servos for that purpose?? I mean before i buy sth, i wanna know what i should buy to build it like i want, and im kinda newbie in that business if my brabling is not useful (in order to explain to me) i will post some pics of what i wanna do. Its simply a MH2 with 2DOF assembly, a big mandible-head and some targeting abilities to grab ect
1.- I wanna make my Hex autonomous, so should i get the single parts, or use the servo erector kit? I`ve made a list of parts which the auto BRAT uses to walk - autoā¦ but im not sure if im forgetting sth, as i wanna do it for an MH2.
For chassis, Iāve always found it convenient to get the kitted stuff from Lynxmotion. However, if custom is your choice, you should spend some time with some 3D CADs like solid works (the parts library on LMās .com page is quite handy).
You mentioned auto, so youāll definitely will want to get the BotBoard2 with the Atom Pro 28. The SSC-32 is a no-brainer, itās still the simplest, smartest, best servo controller on the market in my opinionā¦
2.- i wanna build an ant-like head (2DOF) on its front side, which should make it able to grab stuff/punch it, targeting ect. is this possible with a wrist rotate upgrade, a big gripper, n 2 servos?? besides the electronics? Can i use then arm Code for making this work? does it need extra sensors on it?
I would definitely look at various designs. The only thing I can think of that might augment the grab/pinch function would be to use some FSR and maybe even an IR sensor to detect the distance. The IR detector would be to see if something is within reach, and the FSR will ensure that youāre not grabbing too hardā¦ Of course, all of these parameters will need to be figured out and coded inā¦
3.- After all im still student, and i like it cheeeap ^_^ā¦ no, i will spend what is necessary, but i wanna know which Parts i should use. I can post a List of the things i think i need, but im outa time now. will do that later, or maybe sby can tell me anyway what i need
LMās electronics are some of the biggest bang for your buck out there. The Basic Micro Studio is a really good environment to get something goingā¦ The ONLY thing that I would recommend NOT cheaping out are the servos. Make sure you get some metal geared servo with enough torque. There are some recommended minimums but my own personal minimums are:
645MG - Minimum for hexapods
5990TG - If youāre going for 6-DOF bipeds
5990TG for hexapods - If you want a hexapod that can kick mine and most other hexapodās butt out thereā¦ Be careful with these for use in the jaws, the 5990TG is capable of 400+ oz/in if you feed it 7.2V, which is more than enough torque to break your fingersā¦
4.- U have no color sensors, right?
For color sensing, Iām a bit new to it as well, there are some camera/imaging solutions where you do some image processing on the back end to determine what colors objects are. I couldāve swore I saw it in an article in Robot Magazineā¦ Perhaps someone can enlighten us with which issue it was. It was on a rover bot and the author was imaging some colored balls and comparing the various image filteringā¦
thus my newbiequestions . Lets see what comes back to me
Regards, live long and prosper^^