Main > Lightguns
Lightgun Calibration is NOT fun...
SavannahLion:
--- Quote from: deano728 on April 15, 2008, 11:07:35 am ---Does anyone know if garage door sensors work on infrared? I will do a test later tonight to make sure that is not the problem.
--- End quote ---
There is no reason for them to use IR, they use RF if anything at all. I can't visualize any garage door using IR at all. IR signals are too unreliable and require line of sight. When you have a heavy door rolling up or down that could conceivably kill a small pet or child, you would want a little more reliability than what an IR signal can achieve.
About how far away are you standing from the screen when you calibrate and use the gun?
deano728:
Well, I didn't think it could be the cause either, but I had to test it to be sure. Test confirmed that the garage door is not the problem.
I really don't think it can be interference as it is just too consistent. If I point the gun at any location on the monitor, the mouse pointer is ALWAYS at the same spot away from the laser pointer. Now the tricky part is that the distance between the laser pointer and the mouse pointer gets larger when I move the gunsight closer to the edge of the monitor. There is always one location on the monitor where the mouse and laser pointer are lined up and varying from that point in any direction results in the mouse pointer moving closer to the edge than the laser pointer.
If anyone thinks it will help diagnose the problem, I can get a video camera and upload some video to my website...
I am at wits end and probably will be selling 2 lightguns on ebay very soon. Not many things have left me this frustrated.
jace055:
--- Quote from: SavannahLion on April 15, 2008, 01:43:34 pm ---
--- Quote from: deano728 on April 15, 2008, 11:07:35 am ---Does anyone know if garage door sensors work on infrared? I will do a test later tonight to make sure that is not the problem.
--- End quote ---
There is no reason for them to use IR, they use RF if anything at all. I can't visualize any garage door using IR at all. IR signals are too unreliable and require line of sight. When you have a heavy door rolling up or down that could conceivably kill a small pet or child, you would want a little more reliability than what an IR signal can achieve.
About how far away are you standing from the screen when you calibrate and use the gun?
--- End quote ---
Actually, some garage doors use IR but not for what you think. They are used in the safety sensors at the bottom of the door opening. If anything breaks the beam while the door is closing, the door will stop. keeping little children and pets from being crushed. However, I don't think these sensors are active if the door is not moving so I don't think they are your problem either but its worth looking into.
I would take a closer look at your light bar. Make sure that the IR lights are actually working. Look on the internet for some of the hacks people have put thogether for the wii sensor bar lights. I have seen old remotes and even candles used as IR sources. you may be able to hack together a new/different sensor bar. Eliminate all of the possible hardware issues before looking into the much harder to solve software issues.
SavannahLion:
--- Quote from: jace055 on April 15, 2008, 10:17:02 pm ---
--- Quote from: SavannahLion on April 15, 2008, 01:43:34 pm ---
--- Quote from: deano728 on April 15, 2008, 11:07:35 am ---Does anyone know if garage door sensors work on infrared? I will do a test later tonight to make sure that is not the problem.
--- End quote ---
There is no reason for them to use IR, they use RF if anything at all. I can't visualize any garage door using IR at all. IR signals are too unreliable and require line of sight. When you have a heavy door rolling up or down that could conceivably kill a small pet or child, you would want a little more reliability than what an IR signal can achieve.
About how far away are you standing from the screen when you calibrate and use the gun?
--- End quote ---
Actually, some garage doors use IR but not for what you think. They are used in the safety sensors at the bottom of the door opening. If anything breaks the beam while the door is closing, the door will stop. keeping little children and pets from being crushed. However, I don't think these sensors are active if the door is not moving so I don't think they are your problem either but its worth looking into.
--- End quote ---
I stand corrected.
Anyhow, I'm beginning to think his problem might be the distance the gun is from the monitor. I found a review that states that the sweet spot for these guns with a 29" monitor is two meters from the screen. A 25" would be marginally closer. Positioning the IR bars vertically vs horizontally also effects his distancing.
With the Wii, I get the exact same symptoms he is describing if I stand to close to the TV screen. The "cursor" acts accelerated. Step back about four or five feet (in my case) and the calibration is dead on. Stand back 15 feet from the TV and the mouse seems to move a little on the sluggish side. I suggest using a measuring tape and measuring at least six feet from the monitor, tape off the floor, then see if the gun still has problems.
um3k:
--- Quote from: SavannahLion on April 15, 2008, 10:53:18 pm ---Anyhow, I'm beginning to think his problem might be the distance the gun is from the monitor. I found a review that states that the sweet spot for these guns with a 29" monitor is two meters from the screen. A 25" would be marginally closer. Positioning the IR bars vertically vs horizontally also effects his distancing.
With the Wii, I get the exact same symptoms he is describing if I stand to close to the TV screen. The "cursor" acts accelerated. Step back about four or five feet (in my case) and the calibration is dead on. Stand back 15 feet from the TV and the mouse seems to move a little on the sluggish side. I suggest using a measuring tape and measuring at least six feet from the monitor, tape off the floor, then see if the gun still has problems.
--- End quote ---
I agree, I have the guns and they are mounted 28" apart. I need to stand about 6 feet back to get reliable calibration and firing. Make sure you redo the calibration when you stand at a different distance, make sure you are shooting the exact corners of your monitor during calibration (use the laser), and make sure that when you pull the trigger during calibration the laser goes off briefly indicating it registered all the leds (if not stand back further and/or reduce light interferance (I need to turn off my overhead lights.)
Good luck!
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