Dan
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Please try the latest Makelangelo-firmware with the Makelangelo software v7.3.0-alpha that was released yesterday.
Your diagnosis sounds right. As you said, it worked and then it didn’t, regardless of the servo or the USB.
I can swap you out a new board, and we’d like to take a look at the one you have. The fastest way is to order another board and ship your old one back. When we receive your old board we’ll credit you the value of the board. That way you get your replacement quickly and you’re motivated to send your old board back for us.
http://learn.marginallyclever.com/index.php/Makelangelo_3.2_Assembly#Pen_holder_servo_wire
I’ve updated the servo to extension description.
http://learn.marginallyclever.com/images/0/0a/Makelangelo32box10.jpg
The wire connects on the bottom row (closer to the USB connector)
Red and black should be switched. I didn’t realize the video was wrong! Thank you for the tip.
http://learn.marginallyclever.com/images/0/0a/Makelangelo32box10.jpg
The row closer to the USB connector.
I’ve also updated the explanation for the servo to extension connector.
http://learn.marginallyclever.com/index.php/Makelangelo_3.2_Assembly#Pen_holder_servo_wireI’ll try to get a picture.
I audibly “wow”ed at those pics.
Did you update the makelangelo-firmware? Often it’s best to pair the firmware and software.
Picture showing up in the wrong place sounds like a configuration error.
Do “jog motors” work OK? It should make short movements in both directions.
I’ve had stepper motors sit without being used for years and work fine when I turn them on. The only reason they’ve ever failed is a broken wire. I’m not convinced yet that this is the problem here.
Hi Eric,
Merry XMAS! We’ll get you running 🙂
Are you running Windows, any version earlier than 10? If the USB cable is disconnected while any program is talking to the Arduino then Windows will lose the COM port until Windows is rebooted. Windows 10 appears to have fixed this issue.
http://learn.marginallyclever.com/index.php/Makelangelo_3.2_Assembly#Pen_holder_servo_wire
Did you reverse these two wires?http://learn.marginallyclever.com/index.php/Makelangelo_3.2_Assembly#Teach_the_Controller
Did you install this window driver for the RUMBA board? OSX does not appear to need a driver.Please take a photo of your wiring so I can check everything is AOK.
I’m glad it is more straight. Are you running the Makelangelo v7.2.7 release with the latest Makelangelo-firmware? Did you put “12.73” or “12.73mm” ? the second option would not work, the system would see it as not-a-number.
Marginally Clever steppers are 0.9 degrees. you need to change
#define STEPPER_STEPS_PER_TURN (400.0)to
#define STEPPER_STEPS_PER_TURN (200.0)you have GT2- belt and 20 teeth per pulley then it’s 2 * 20 / pi for your pulley diameter.
Try that and if it’s still wonky, send in a picture of your machine with the drawing still on it and the starting point clearly marked, please.
Your message doesn’t contain enough useful information.
Which way is the rectangle?
What parts did you use to build the machine:
Are you using 1.8 degree stepper motors or 0.9?
Are you using GT2-20 pulleys, and have you adjusted the pulley diameter?Try the latest 7.2.7 release, it might improve your results.
Right now the only version that seems to work for people is the v6.
https://www.marginallyclever.com/other/Makelangelo.zip
I’m working on solving the 64bit issue, it requires help from 3rd party library experts.
It occurs to me that you have built this machine yourself, and your motors are probably 200 step-per-turn. Makelangelos built by us are 400. You can adjust this in makelangelo-firmware. Probably get better results than tweaking the width.
#8427 deleted.
Is there a way to edit or remove a post. If not can you please remove the first of my two posts?
There’s a # in the top right corner of each post. Which one are you referring to?
What’s your machine width? You should measure from the bottom right corner of the left motor to the bottom left corner of the right motor, in millimeters.
In the Java app, connect to the robot and the title should change to say “Makelangelo #[number]”.
In the log pane do you see “Hello, World! I am Drawbot #….”?Do the jog motor buttons do anything?
Congratulations, Michael! Doubly so, because you’re the first to post to our updated forums.
Nice. Post a pic of your machine, please.
