humptydumpty Posted April 5, 2018 Share Posted April 5, 2018 (edited) Okay 2 things here what Sokol1_br is saying is to get the +5 volt from the USB supply of the USB into the joystick. I'll also have a look at the link to see what the difference is in the devices used. The output voltage varies either up from (1/2 vdd) 2.5V or down from 2.5V depending on the polarity of the magnetic field north or south pole and the amount it varies depends on the strength of the magnetic field the transfer curve is shown in the data sheet. So the magnets from say a HDD should be strong enough but it can be difficult to utilise both poles. For my cyclic I'm using small button magnets but I am still experimenting with how to derive the variable magnetic field one simple method is to arrange it so the magnet moves from about 10mm or so to right up to (almost touching) the body of the Hall effect device. I also need to experiment with button magnets and I am thinking of arranging it so the magnet is close to the device and rotates on axis perpendicular such that in center both poles are close and as the magnet is rotated one or the other pole is bought closer to the device but I need to check this out as well there maybe problems with the transfer curve. The biggest issue with this is that I may need to scale and level shift the signal to feed the control voltage into the existing controller either using analogue op amps or use maybe an AVR A to D the input signal modify the value then D to A for input to a controller. Of course all that could be incorporated into a single AVR but doing USB protocol in assembler might be a bit ambitious. About the magnets , the best position i found is at the front and rotate the magnet clockwise and anti-clockwise works but it will not give me MAX high on the axis , this i need to figure it. Of course i am not an electronics person , had done some way back in the 90's thats it :) I just know to solder and check voltage ehehe. But i will figure something out. ABout your control setup , can you post some shots ? i need to make the collective with the throttle. Edited April 5, 2018 by humptydumpty [sIGPIC][/sIGPIC] Attitude Power Trim Power Attitude Trim Wing Commander SWAC Link to comment Share on other sites More sharing options...
FragBum Posted April 5, 2018 Share Posted April 5, 2018 My cray hacks in pursuit if DCS As for getting a positive and negative voltage change from 1/2vdd I tried rotating a button magnet (about 12mm by 3 mm magnets from a hardware store) and if I center the disk over the sensor sweet spot I can get the voltage about half vdd and if I rotate the disk so that it swings one way or the other I can get all be it shaky transitions going higher or lower depending on the pole I expose to the sensor. BUT! I need to build a jig to test it as the distance set between the magnet pivot point and the sensor needs to be critically fixed although by hand I can get from 1.2ish to 3.6ish volts with maybe 60 deg rotation. Control is an illusion which usually shatters at the least expected moment. Gazelle Mini-gun version is endorphins with rotors. See above. Currently rolling with a Asus Z390 Prime, 9600K, 32GB RAM, SSD, 2080Ti and Windows 10Pro, Rift CV1. bu0836x and Scratch Built Pedals, Collective and Cyclic. Link to comment Share on other sites More sharing options...
FragBum Posted April 5, 2018 Share Posted April 5, 2018 Okay if your using a magnet assembly from a HDD, the flat section usually having a radius shape goes from north pole to south pole from end to end. In the case of the HDD the rotor {coil} would maintain critical distance from the surface of the magnet but move through the arc of the magnet structure based on applied drive to the coil. We want to reverse the mechanics and rotate the magnet assembly over the sensor. Whilst maintaining constant distance relationship and keeping the radius of the arc over the sensor. Easy. Right. :D Control is an illusion which usually shatters at the least expected moment. Gazelle Mini-gun version is endorphins with rotors. See above. Currently rolling with a Asus Z390 Prime, 9600K, 32GB RAM, SSD, 2080Ti and Windows 10Pro, Rift CV1. bu0836x and Scratch Built Pedals, Collective and Cyclic. Link to comment Share on other sites More sharing options...
humptydumpty Posted April 5, 2018 Share Posted April 5, 2018 My cray hacks in pursuit if DCS As for getting a positive and negative voltage change from 1/2vdd I tried rotating a button magnet (about 12mm by 3 mm magnets from a hardware store) and if I center the disk over the sensor sweet spot I can get the voltage about half vdd and if I rotate the disk so that it swings one way or the other I can get all be it shaky transitions going higher or lower depending on the pole I expose to the sensor. BUT! I need to build a jig to test it as the distance set between the magnet pivot point and the sensor needs to be critically fixed although by hand I can get from 1.2ish to 3.6ish volts with maybe 60 deg rotation. WHy a wooden collective base ? i suppose that is the collective. And the extended stick looks exactly like the one i have modded using a 2 feet PVC pipe. [sIGPIC][/sIGPIC] Attitude Power Trim Power Attitude Trim Wing Commander SWAC Link to comment Share on other sites More sharing options...
humptydumpty Posted April 5, 2018 Share Posted April 5, 2018 Okay if your using a magnet assembly from a HDD, the flat section usually having a radius shape goes from north pole to south pole from end to end. In the case of the HDD the rotor {coil} would maintain critical distance from the surface of the magnet but move through the arc of the magnet structure based on applied drive to the coil. We want to reverse the mechanics and rotate the magnet assembly over the sensor. Whilst maintaining constant distance relationship and keeping the radius of the arc over the sensor. Easy. Right. :D Yes the one is North and the other South. I do have two button type magnets but whichever works i am ok with. There is no coil , i have separated the magnets from the HDD Oh yeah getting the arc on the sensor will not be an easy thing. [sIGPIC][/sIGPIC] Attitude Power Trim Power Attitude Trim Wing Commander SWAC Link to comment Share on other sites More sharing options...
Sokol1_br Posted April 5, 2018 Share Posted April 5, 2018 About the magnets , the best position i found is at the front and rotate the magnet clockwise and anti-clockwise works but it will not give me MAX high on the axis , this i need to figure it. Try reduce the gap between the magnet and the sensor, this may improve the range. Link to comment Share on other sites More sharing options...
humptydumpty Posted April 5, 2018 Share Posted April 5, 2018 Try reduce the gap between the magnet and the sensor, this may improve the range. Rgr, in fact i need to touch the sensor with it and that's when i can see the full axis movement. Thanks. [sIGPIC][/sIGPIC] Attitude Power Trim Power Attitude Trim Wing Commander SWAC Link to comment Share on other sites More sharing options...
FragBum Posted April 5, 2018 Share Posted April 5, 2018 WHy a wooden collective base ? Relatively cheap. Readily available. Dimensionally stable. Easy to work Durable Matches the base for the chair and cyclic I use. And I don't need my TIG or MIG to join bits of it together simply use screws. :D I suppose that is the collective. Yes that is my collective it's got some hundreds of hours of V-Flight time on it now. And the extended stick looks exactly like the one i have modded using a 2 feet PVC pipe. Yes this is a section of gas line a composite of nylon inner steel tube and a hard plastic outer very stiff but very light weight and just happened to be the correct inner and outer dimensions. Yes the one is North and the other South. I do have two button type magnets but whichever works i am ok with. There is no coil , i have separated the magnets from the HDD Oh yeah getting the arc on the sensor will not be an easy thing. I get there is no coil now I was trying to illustrate the arc traveled by the coil in the magnetic field and this is essentially the arc and distance that you need to duplicate, see the article Sokol1_br linked it's a good solution for you I think. Control is an illusion which usually shatters at the least expected moment. Gazelle Mini-gun version is endorphins with rotors. See above. Currently rolling with a Asus Z390 Prime, 9600K, 32GB RAM, SSD, 2080Ti and Windows 10Pro, Rift CV1. bu0836x and Scratch Built Pedals, Collective and Cyclic. Link to comment Share on other sites More sharing options...
humptydumpty Posted April 6, 2018 Share Posted April 6, 2018 Relatively cheap. Readily available. Dimensionally stable. Easy to work Durable Matches the base for the chair and cyclic I use. And I don't need my TIG or MIG to join bits of it together simply use screws. :D Yes that is my collective it's got some hundreds of hours of V-Flight time on it now. Yes this is a section of gas line a composite of nylon inner steel tube and a hard plastic outer very stiff but very light weight and just happened to be the correct inner and outer dimensions. I get there is no coil now I was trying to illustrate the arc traveled by the coil in the magnetic field and this is essentially the arc and distance that you need to duplicate, see the article Sokol1_br linked it's a good solution for you I think. @Fragbum I am planning on a full metal collective , i don't know how it will be but i am thinking of attaching gears to the collective rotation point. I don't know what base i will use , maybe a full aluminium body or wood but i am sure i will make the collective handle from metal if i get the right one else PVC, Why i will use the gears for the collective is to keep it stable. The idea is just in my head for now. But i will get there. The main idea is to have for both fixed wing and helis but helis is now a much higher preference due to X-plane. Let's see how it goes , still figuring out the arduino config at least for the switches and rotary buttons. I am not looking at a full scale pit but only for comms / Nav and maybe a few things more like the light switches. I have a few toggle switches but i am not sure how it should be connected to the arduino , though i am checking a few designs. Will adjust the magnets tomorrow or get more of the button types , the big coin sized ones. [sIGPIC][/sIGPIC] Attitude Power Trim Power Attitude Trim Wing Commander SWAC Link to comment Share on other sites More sharing options...
Sokol1_br Posted April 6, 2018 Share Posted April 6, 2018 Gear is unnecessary complication = backslash. BTW - The best collective mechanism I see in forums around (including hover-control) is UO53 multi-disk brakes. May surpassed only by eletro-magnetic brakes. Is based on this Russian heli colective: http://avia-sim.ru/forum/download/file.php?id=4143 http://avia-sim.ru/forum/download/file.php?id=4141 Need "perk" in this extended topic to understand the design. http://avia-sim.ru/forum/viewtopic.php?f=28&t=630&start=630 A low tech version of the system, using a car handbrake as collective lever - and plywood pieces as brake. :D http://avia-sim.ru/forum/download/file.php?id=4823 http://avia-sim.ru/forum/download/file.php?id=4830 http://avia-sim.ru/forum/download/file.php?id=4829 http://avia-sim.ru/forum/download/file.php?id=4831 Link to comment Share on other sites More sharing options...
humptydumpty Posted April 7, 2018 Share Posted April 7, 2018 Gear is unnecessary complication = backslash. BTW - The best collective mechanism I see in forums around (including hover-control) is UO53 multi-disk brakes. May surpassed only by eletro-magnetic brakes. Is based on this Russian heli colective: http://avia-sim.ru/forum/download/file.php?id=4143 http://avia-sim.ru/forum/download/file.php?id=4141 Need "perk" in this extended topic to understand the design. http://avia-sim.ru/forum/viewtopic.php?f=28&t=630&start=630 A low tech version of the system, using a car handbrake as collective lever - and plywood pieces as brake. :D http://avia-sim.ru/forum/download/file.php?id=4823 http://avia-sim.ru/forum/download/file.php?id=4830 http://avia-sim.ru/forum/download/file.php?id=4829 http://avia-sim.ru/forum/download/file.php?id=4831 Wow that's some heavy duty thing, now to steal someones bike handle :) [sIGPIC][/sIGPIC] Attitude Power Trim Power Attitude Trim Wing Commander SWAC Link to comment Share on other sites More sharing options...
humptydumpty Posted April 8, 2018 Share Posted April 8, 2018 I think i will pull the 5v from the logitech's usb cable where it connects to the sticks card. will try tomorrow, my guess it should give me 5v [sIGPIC][/sIGPIC] Attitude Power Trim Power Attitude Trim Wing Commander SWAC Link to comment Share on other sites More sharing options...
humptydumpty Posted April 9, 2018 Share Posted April 9, 2018 So 5v is available from the joysticks USB [sIGPIC][/sIGPIC] Attitude Power Trim Power Attitude Trim Wing Commander SWAC Link to comment Share on other sites More sharing options...
Sokol1_br Posted April 9, 2018 Share Posted April 9, 2018 Yes, pretty standard: Link to comment Share on other sites More sharing options...
humptydumpty Posted April 9, 2018 Share Posted April 9, 2018 Yes, pretty standard: Yep , i will be taking it from the joysticks cable which connects to the stick circuit and it shows 5v. [sIGPIC][/sIGPIC] Attitude Power Trim Power Attitude Trim Wing Commander SWAC Link to comment Share on other sites More sharing options...
humptydumpty Posted April 26, 2018 Share Posted April 26, 2018 I found an alternative , with an arduino uno and a MPU 6050 , it works perfect. the only thing is to keep the MPU 6050 leveled so i stuck it to the joystick handle. I will use the hall effect on the other stick. [sIGPIC][/sIGPIC] Attitude Power Trim Power Attitude Trim Wing Commander SWAC Link to comment Share on other sites More sharing options...
humptydumpty Posted May 3, 2018 Share Posted May 3, 2018 So MPU 6050 is working fine but i want to use the MH481 , but when i look at the center rotation of the stick there is hardly any room to fit the MH481, the rotation is very small. I was thinking using a matchstick and put aeraldite and leave it overnight [sIGPIC][/sIGPIC] Attitude Power Trim Power Attitude Trim Wing Commander SWAC Link to comment Share on other sites More sharing options...
freemind_fly Posted June 1, 2018 Share Posted June 1, 2018 I'm lost a bit in your discussion. I'm just looking for a hall kit for the throttle. Any news on that area? The solutions needs to be plug and play for me... Link to comment Share on other sites More sharing options...
Sokol1_br Posted June 1, 2018 Share Posted June 1, 2018 (edited) This topic should by locked, because the author are "out of business" - no longer manufactures "New HALL sensor kits". Hey Guys, sorry for the late reply. As of now I am not making anymore kits. I would like to make them again but I don't want to fall into the "in 2 weeks" syndrome. I did design a much simpler hall sensor for the throttle that is a direct replacement for the stock potentiometer. Please don't plan on this though. If I start making parts again I will post on here. Sorry about this, its been great making these kits but it's just been physically difficult for me to work in my shop lately. Miles https://forums.eagle.ru/showpost.php?p=3261791&postcount=219 Anyway talk with rely4, he may have a (better) alternative for you: http://simhq.com/forum/ubbthreads.php/topics/4423900/re-mmjoy-mmjoy2-build-your-own-usb-controller#Post4423900 Other alternative is GVL224 "MagREZ" sensor. Edited June 1, 2018 by Sokol1_br 1 Link to comment Share on other sites More sharing options...
_Heater_ Posted November 24, 2021 Share Posted November 24, 2021 Where I can buy this mod ? my cougar throttle is very old… I need to calibrate every time Simulatori: DCS A-10C II Warthog - DCS F/A-18C Hornet - DCS F-16C - VRS F/A-18E - HOTAS: TM Warthog - Cougar \ HP Reverb G2 \ WinWing Panels Tally: I see the degenerate commie who wants to ruin our day. **Air Combat Wings** - 32nd Virtual Fighter Wing || Discord https://discord.gg/XySM5na || Twitch Segui le nostre Live! Link to comment Share on other sites More sharing options...
Ala12Rv-Tundra Posted November 24, 2021 Share Posted November 24, 2021 6 hours ago, _Heater_ said: Where I can buy this mod ? my cougar throttle is very old… I need to calibrate every time I have no idea whether MilesD kits are still around or not. I bought mine from this guy from TM subforum https://forums.eagle.ru/topic/188571-tm-cougar-ch-magnetoresistive-hall-sensor-kits/ i5 8400 | 32 Gb RAM | RTX 2080Ti | Virpil Mongoose T-50 base w/ Warthog & Hornet sticks | Warthog throttle | Cougar throttle USB | DIY Collective | Virpil desk mount | VKB T-Rudder Mk IV | Oculus Rift S | Buddy-Fox A-10 UFC | 3x TM MFDs | 2x bass shakers pedal plate| SIMple SIMpit chair | WinWing TakeOff panel | PointCTRL v2 | Andre JetSeat | Winwing Hornet UFC | Winwing Viper ICP FC3 - Warthog - F-5E - Harrier - NTTR - Hornet - Tomcat - Huey - Viper - C-101 - PG - Hip - SuperCarrier - Syria - Warthog II - Hind - South Atlantic - Sinai - Strike Eagle Link to comment Share on other sites More sharing options...
MAXsenna Posted November 25, 2021 Share Posted November 25, 2021 On 11/24/2021 at 1:10 PM, _Heater_ said: Where I can buy this mod ? my cougar throttle is very old… I need to calibrate every time Link to comment Share on other sites More sharing options...
_Heater_ Posted November 25, 2021 Share Posted November 25, 2021 On 11/24/2021 at 8:00 PM, Ala12Rv-Tundra said: I have no idea whether MilesD kits are still around or not. I bought mine from this guy from TM subforum https://forums.eagle.ru/topic/188571-tm-cougar-ch-magnetoresistive-hall-sensor-kits/ 3 hours ago, MAXsenna said: thanks guys ! 1 Simulatori: DCS A-10C II Warthog - DCS F/A-18C Hornet - DCS F-16C - VRS F/A-18E - HOTAS: TM Warthog - Cougar \ HP Reverb G2 \ WinWing Panels Tally: I see the degenerate commie who wants to ruin our day. **Air Combat Wings** - 32nd Virtual Fighter Wing || Discord https://discord.gg/XySM5na || Twitch Segui le nostre Live! Link to comment Share on other sites More sharing options...
Sokol1_br Posted November 25, 2021 Share Posted November 25, 2021 On 11/24/2021 at 9:10 AM, _Heater_ said: Where I can buy this mod ? From one post above your: Quote Hey Guys, sorry for the late reply. As of now I am not making anymore kits. I would like to make them again but I don't want to fall into the "in 2 weeks" syndrome. I did design a much simpler hall sensor for the throttle that is a direct replacement for the stock potentiometer. Please don't plan on this though. If I start making parts again I will post on here. Sorry about this, its been great making these kits but it's just been physically difficult for me to work in my shop lately. Miles Link to comment Share on other sites More sharing options...
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