![]() This method does respect many of your constraints. Thus, we can know which sensor got triggered. A short trick that I have is to directly wire the photocell to a an analog to digital converter and in the end, connect it to an array of shift registers (aka IO expander) of the Arduino. ![]() Now this gets complicated if there is many sensors. After that, by having 1 laser on the X axis and 1 and the Y axis, you can pinpoint the bullet. Now let's say that you have way more lasers and sensors.Īfter that, you can use a photocell / photoresistor / light dependant resistor to see when and which laser beem is broken. Pretty much, what you have to do is an laser array with a sensor at the end. It might sound a little complicated but it might work. This project will be completed, so if your solution is great, you will contribute to something very cool, and I can send you a picture of it or even invite you to shoot with me -) If you want to improve my approach suggesting a sensor or software that I may be missing, please be welcome, but as I said, I am willing to start it over. So far it have been inaccurate and needing lots of tune-up. My approach so far is setting up three motion sensors and triangulating the position based on the impact wave. The former are not constrains and I am willing to change the approach and start from scratch. With all that said, I am fully opened to options. I may not have full control over the type of wall regular bricks and paint is preferred.If possible, I don't want to add any enhancements to the guns or bullets.I may play a video on the wall, so a kinnect reading wholes may get confused.I may be using more than one gun, so two bullets may hit at a closer interval.Not all bullets have the same mass or speed.I need to calculate the exact X and Y coordinates where the projectile impacts. I have a big wall, and I am shooting at it. I am building a very exciting project, and I am creating this post to get new, fresh and crazier ideas.
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