1. Hundreds of coffees, endless nights of debugging and coding, and countless feedback by our beta testers led to this new major release. SimTools 2.4 is probably the version with the most upgrades and improvements in a single release ever. Look at everything Dustin has included:
    SimTools 2.4 all features.
    Dismiss Notice
  2. For downloading SimTools plugins you need a Download Package. Get it with virtual coins that you receive for forum activity or Buy Download Package - We have a zero Spam tolerance so read our forum rules first.

    Buy Download Package Now!
  3. Do not try to cheat our system and do not post an unnecessary amount of useless posts only to earn credits here. We have a zero spam tolerance policy and this will cause a ban of your user account. Otherwise we wish you a pleasant stay here! Read the forum rules
  4. We have a few rules which you need to read and accept before posting anything here! Following these rules will keep the forum clean and your stay pleasant here. Do not following these rules will lead to permanent exclusion from this website: Read the forum rules.

Cousin of OSW (Open Sim Wheel)

Discussion in 'DIY Motion Simulator Projects' started by Gadget999, Sep 23, 2017.

  1. Frederiksen

    Frederiksen New Member

    Joined:
    Dec 5, 2018
    Messages:
    22
    Balance:
    199Coins
    Ratings:
    +0 / 0 / -0
    Can someone explain the pull up resistor for the encoder pls? I don't know if I need one or not with an omron 1000p/r and if I do how do I know what specifications of the resistor to get?
  2. Czary

    Czary New Member

    Joined:
    Aug 11, 2013
    Messages:
    13
    Occupation:
    Duty Officer
    Location:
    Poland
    Balance:
    292Coins
    Ratings:
    +3 / 1 / -2
    Hi, AFAIK you'll need 2 kΩ 0,5-0,6W metal film resistor THT type.

    Btw.my first attepmt to solder PCB connector board was unsuccesful. Soon I've found the design flaw- one of the wires was runnig too close to SN7407 pads so there was a short :
    PCB DD Wheel.jpg
    I've redesigned the PCB wires distance and also added pin connections for 2xMCP23S17 serial iterface.
    As soon as I confirm that PCB works fine I'll upload pdf and gerber files ;)
  3. Frederiksen

    Frederiksen New Member

    Joined:
    Dec 5, 2018
    Messages:
    22
    Balance:
    199Coins
    Ratings:
    +0 / 0 / -0
    Thanks for your response. What does THT type mean? What percent should the resistor be? All of the resistors have percents with them.
  4. BlueTiger

    BlueTiger New Member

    Joined:
    Mar 7, 2019
    Messages:
    1
    Balance:
    18Coins
    Ratings:
    +0 / 0 / -0
    Good Afternoon,
    I made the wheel with an Arduino Leonardo and a 350W motor. I'm using this program and it all works fine. My only problem is i've broke almost 6 IBT-2, Every time Dirt Rally 2.0 chrashes the wheel starts to rotate fast in one direction and so I plug the power supply of. After that when i reopened the game and plugged in the power supply it immediatlely shuts down( a short circuit).
  5. Czary

    Czary New Member

    Joined:
    Aug 11, 2013
    Messages:
    13
    Occupation:
    Duty Officer
    Location:
    Poland
    Balance:
    292Coins
    Ratings:
    +3 / 1 / -2
    Ok, there is a SMT and THT technology in electronics. THT is through hole technology, which simply requires drilling holes in the middle of soldering pad on a PCB (as is in my design of connector board), and those THT parts have leads attached to mount them.

    The SMT (surface mount technology) is most common today, as the PCB design only use pads for soldering the part with no holes required.
    For hommade PCB we can use both technologies, but with THT you can use part lead as via to transfer signal from one side of PCB to another.

    Percents says how much the value can deviate from the reference value (so buying 100kΩ 5% resistors means that the real value varies from 95 to 105 kΩ). So it's best to buy 1% version of the component for this application.
  6. Frederiksen

    Frederiksen New Member

    Joined:
    Dec 5, 2018
    Messages:
    22
    Balance:
    199Coins
    Ratings:
    +0 / 0 / -0
    Thanks for the clear and informative explanation.

    How should I mount the steering wheel to my my1020? I saw somewhere on here people said not to put it directly on the shaft. How should I do it then?
  7. Frederiksen

    Frederiksen New Member

    Joined:
    Dec 5, 2018
    Messages:
    22
    Balance:
    199Coins
    Ratings:
    +0 / 0 / -0
    Everything I need for the wheel finally arrived. Now I just need to know how to attach encoder to my1020 and how to mount wheel on motor.

    Also how can I test the ibt_2s I recieved?
  8. Czary

    Czary New Member

    Joined:
    Aug 11, 2013
    Messages:
    13
    Occupation:
    Duty Officer
    Location:
    Poland
    Balance:
    292Coins
    Ratings:
    +3 / 1 / -2
    Hi, as far as I know it's best to use bredboard, PSU, and smaller motor to test IBT separately.

    As my build is more like research and getting things before I start, I've found some gear for this project :
    MY1223F 500W 36V (specs says 4,78 Nm @ 10,7 Amps)- already ordering this one in one of the local suppliers.

    and h-bridge capable of 60A peak current :
    https://www.xsimulator.net/communit...cts-as-a-single-motor-driver-more-power.5482/
    These are dirt cheap, like 7 $ each, so definately worth a try against IBT-2.
  9. Qlittles

    Qlittles Member

    Joined:
    Sep 27, 2017
    Messages:
    73
    Location:
    Union City, California, USA
    Balance:
    92Coins
    Ratings:
    +51 / 4 / -0
    My Motion Simulator:
    2DOF, Arduino
    hello everyone, i've been following this thread, and am set to build a DD wheel. I had a question about which motor to choose. I will be using a small wheel (like a logitech momo wheel), and so don't think i'll be needing much power. This is what I have gathered from the thread about the following motors:

    my1016:
    - requires only 1 IBT2 board
    - less wattage power supply required
    - no perceivable steps between magnets when powered
    - lower torque
    - low cost

    my1020
    - should use 2 IBT2 boards (or more)
    - requires a power supply around 1000w ?
    - must align the center between the magnets so that the car goes straight without correction
    - sufficient torque
    - costs about $50 more ($40 more for the motor and $10 more for the extra IBT2)

    Since I've never had or tried a DD wheel, it's hard to tell how much torque I need (especially using a small wheel). I have 4 questions:
    1) Is my1020 overkill? or will I eventually grow into needing more torque for better control of the cars?
    2) Is the detail same for both motors? Or does my1016 have less detail (if using the same encoder)?
    3) my understanding is that the STM32F4 will provide more detail and is better than the Leonardo because of either the updated software or because it is more hardware capable. Am I correct in this understanding? I ask because I already own a Leonardo.
    4) will the 1016 have overheating issues even if I drill holes for ventilation?
    Much appreciation for any help!
  10. Gadget999

    Gadget999 Active Member

    Joined:
    Dec 27, 2015
    Messages:
    637
    Location:
    London
    Balance:
    4,999Coins
    Ratings:
    +121 / 4 / -0
    My Motion Simulator:
    2DOF, Arduino

    that is a pretty good summary :)

    i suggest you go for the my1020 to give yourself more headroom (I have one but not found the time to build a new wheel)

    it appears there is no performance difference between the leonardo and the STM32F4

    i am rebuilding my wheel to work with a SMT32F4 - but have not found the time

    something I did find with the Leonardo is that the wheel would occasionally go into a spin when powered up, I don't know why this happened maybe powering the board first and then the motor may be a solution
    • Like Like x 1
  11. Qlittles

    Qlittles Member

    Joined:
    Sep 27, 2017
    Messages:
    73
    Location:
    Union City, California, USA
    Balance:
    92Coins
    Ratings:
    +51 / 4 / -0
    My Motion Simulator:
    2DOF, Arduino
    Thank you Gadget999 for the recommendation! Looks like i'll go the my1020 route. I'll read the thread several more times and start ordering the parts. I hope I can pull it off :)