Nikus

Thanks! Cool to know that my project is on Hackaday! Of course, I calibrated it before using it, there is a sketch in the examples of a library for this module that explain how to do the calibration. It's basically as simple as you said. The program calculates some kind of an offset that is a constant value that you have to add to your code. I checked if it can measure weight of few objects and it's really precise. Thank you!

It was designed in KiCad

Thanks!

Thanks, subscribe to my channel to don't miss it :)

Thank you very much!

Thanks, looks like I uploaded old PCB case design instead of motor mount, thanks for pointing out! You can find it in step 4

This is amazing! I love everything made out of concrete :) you have my vote! Do you have any more information about concrete that you used? Is there like a special type of concrete to use for such projects?Thanks!

Thank you very much! I never saw such LEDs, thanks for pointing that out, I will add it to step 3

Thanks for comment!

Exactly!

Thanks!

Thanks, yes I was thinking about it :) Maybe in Doter 2.0!

Thanks! Awesome, don't forget to post some images of it :)

I used 9V power supply for powering servos and 12V for LED

AWESOME! It is so nice to see someone make my project :) and it is working very good! It takes some time because those motors are slow, to make it better experiment with amount of steps for each turn on X and Y axis, you have different wheel sizes and thats why those values have to be different. I didn't implement all of the functions in the processing code yet, so as for now it can only print, you can't load a paper and stop. The only way too stop is close the program. Thank you very much, if you need any more help, feel free to ask! I am so happy that someone made my project!

yes, that's true if your Arduino uses different serial port you have to change that, also you will got an error when your Arduino is not connected to the computer

There is place for endstop on the PCB but I don't use it so there is no code for it, but you can easily support it.

Arduino is connected to the computer via standard USB cable

Thank you so much! You project looks awesome, like a baby of Dotter :D it is very well designed also, I really like paper holder. Just change the pins in the Arduino code to yours. You can use exactly the same software, just images that you prepare to draw must be smaller or you can make more dots on each line by reducing number of motor steps between each dot. You can also use my PCB design (so that you will have the same connection) or even buy PCB from me. You don't have to modify processing code, it should work without any problems

Thank you!!!!

Thank you very much! Dzięki :)

Thank you! :)

Arduino is connected to the computer via standard USB cable

For this use those super cheap motors are great. Bigger motors like NEMA 17 would allow me to print faster but that's not really important for me, I mainly wanted to find use for the motors I had and keep it cheap so that others can easily replicate this.

Thank you very much! That's awesome does it also make dots? Or draws lines as a standard plotter?

Perhaps one of the best comments I ever read :) Thank you very much!

Thank you!

Thank you :)

Thank you!

Thank you so much! Greetings from Poland :) I will, always!

Thank you!

Theoretically yes but you should use much stronger construction, stronger motors and something soft under the paper to let the tool emboss the dots

Thank you, I always prefer doing more :) Yes you are right about transistors, that was just to short the things I hope everyone understand what I mean :D Thank you!

Thanks! Sure it can work as a normal plotter, all we need is some Gcode and simple Gcode interpreter for Arduino :)

I just kind not sure what I should reply, seriously. That's the nicest comment I ever read :) I am so happy that someone appreciate my work and enjoy reading and watching story of it! Thank you very much for kind words, I promise to keep up with my projects and make even more awesome things in the near future! Have a great day!

Of course, I want to study at polytechnic, my dream is MIT but it is impossible to do :( Thanks! I hope one day I will be able to design serious products and have my own company!

Thank you very much! :)

no, I don't. Maybe in the second version I will use it, but because of the speed of mpu, there wouldn't be a huge difference in stability

thanks man! awesome to hear that :) I actually really wanted to win a MacBook with this project to improve it and calibrate PID algorithms. Fortunately I won a MacBook with my voice controlled lamp so I will improve this project, and maybe create a Ludwik drone V2. Thanks for your comment ;)

Thank you!

Code is the same no matter if you use Arduino board or my won controller. Make sure that you download a .zip file, copying just .ino file wouldn't work because you need additional files and libraries that are included in .zip

it is the same

Thanks!

app is not my, I just download it from Google play