ed_eilers
Netherlands
Asked
— Edited
Resolved by DJ Sures!
I would like to get some help on serial bus servo's that use almost the same protocol as dynamixel.
BUT all the dynamixel instruction packets and status packets start with:
0xFF 0xFF and then you get ID> Length> Instruction>Parameters>Checksum
like this
The servo's I want to use are Lobot LX-16A that use the same protocol with one difference: the packets start with 0x55 0x55 and then ID> Length> Instruction>Parameters>Checksum
so my servo's don't react on the dynamixelplugin How can I or someone change the 0xff too 0x55 in the plugin? Is it possible too get the source code for the plugin? or is there another solution? I can't afford real dynamixels and this seemed a good alternative
thanx in advance for your help
Been looking into these servos a bit more in depth. They have an enormous amount of torque which i like for some of my upcoming big projects. Another thing I like is they have a programmable ease in and ease out, which is great for natural motion.
It looks like there are 4 wires power, ground, and tx/rx. I'm going to order one of their servos and the programmer and do some dynamixel comparisons.
As always the manual is lacking...like there is no manual at all, so will have to test some of the other features on their programmer to better understand their function.
Hhhhhhmmmmm....now I am not so sure anymore about those LewanSoul LX-16A anymore! I have been thinking of changing my servo setup to a Daisychainable servo with positional feedback... But when I see how bad you guys talk about them, I might wait for a better option yet to be discovered?
Any thoughts on this?
The LewanSoul and the HerculeX are both listed as being an option to using Dynamixel Servos, so I was having my hopes up high when I saw the implementation of the LewanSoul servo here!!
https://hackaday.com/2018/07/05/wrangling-rc-servos-becoming-a-hassle-try-serial-bus-servos/
I also would not mind to spend money on getting Dynamixel Servos...are those little hobby ones any good?
https://www.trossenrobotics.com/dynamixel-xl-320-robot-actuator
I also would not mind to spend money on getting Dynamixel Servos...are those little hobby ones any good?
[color=#111111][size=3][font=Verdana, Arial, Helvetica, sans-serif]https://www.trossenrobotics.com/dynamixel-xl-320-robot-actuator[/font][/size][/color]
They work great. They are quiet and have feedback for $49 usd. Only drawback Is they are a bit slower and less torque (at about 14 kg/cm ) than the ez robot hdd servo.
I'm surprised to hear they are that much less powerful than the HDD servos. Makes a lot of sense because when i was using the Bioloid in one of my live hacks, the legs didn't seem to have much "juice" and the servo would reset.
Yup very disappointed in power and speed.
So which Serial Bus servo would you guys recommend...changing the servo setup is quiet a pain, so I have been rolling it back and forth in my head for a while. This discussion kind of sparked the idea again! Running those on a Raspberry Pi is still not very well documented, and I am kind of glad having everything pieced together and working, that is why I delayed it always for later!
But now with ARC and Dynamixel Support running on the Raspi, that is quiet a game changer for me! But obviously I would also want to use Python to control my servos, since I am always tinkering, and sometimes it is not ARC related!
If you guys have any recommendations, I would be happy to get the same brand...makes progress a lot faster if stuff is unified I figure!!