Recycle, reduce, and reuse, words to live by! To make a rainbow at home, we need three ingredients, water, a mirror, and sunlight. You may even be able to make do with some dangly earrings or bits of old light fittings. 11 years ago Do the same with two more magnets across the DVD, 180 degrees from the first two magnets (picture 2), Put the DVD into the tissue box and lay it flat on the bottom, shiny side up. If we put a piece of transparent coloured plastic over the light source or over the tissue box opening,We can limit the amount of colours in our rainbow. The spinning rainbow light wheel can be used in stores, business , parties, disco or advertisement to grab people's attention, or it can just be used for fun. I also supported the flexible wire with some pieces of wood that is glued onto the motor's holder next to the flexible wire to stop the flexible wire wiggling everywhere. Great, now you're ready to start making some rainbows!! A diffraction grating is a set of many small prisms packed into a small space. The product of refracting white light is a rainbow, just like the ones you see in the sky. Whether the light spinning wheel is flashing or not, it still looks awesome and it is even far more awesome if you operate it in the dark!!! Every tunnel should have this installed. An example of a diffraction grating you can find around your house is a DVD or CD. Enjoy the photos!! The circuit whit the 555 timer could be simpler. I made this spinning rainbow light wheel from what ever the parts I have sitting in my shed. But white light isn’t just one color; instead, it’s a combination of all the visible colors. Instructions: Fill the glass almost to the top with water. Along the outer perimeter of the DVD, take two magnets and stick them together with the disc between them, making DVD-magnet sandwich (picture 1). Good idea! How to Survive Your First Winter With Houseplants, RC Arduino Domino Layer With Bluetooth App Control. Steps . Testing... 3... 2... 1... Failed... Damm, the LED's still glows, but it is not spinning! You should now have a tab that your DVD can rest on.You can tape your DVD in place (shiny side up) to make sure it doesn't slide down (picture 5). For this, fill a glass with water. I have also modified the the 555 timer oscillator circuit, so now both sets of LED's can be controlled from one negative output. then cut straight across the bottom of the box at 15cm(picture 4). While the importance of light levels varies depending on the strain, weed from the ‘purple’ camp prefers strong direct light on the leaves and buds. Read the schematic carefully and build the circuit on the breadboard or on the veroboard, your choice, I used the breadboard. See why in the next step–> Step 4: leave opening in the paper star lantern to add LED lights. on Step 5. could u be plz be clearer on where the wires from the centre of the spool go?? Ooh, just look at that beautiful rainbow... More great pictures on step 10!! You can create even more effects, by moving your flashlight around freehand over top the tissue box. Aug 8, 2013 - Here is a tip to make your own Rainbow. I finally got the spinning rainbow light wheel built, now it is time to test it to see if it works! If you're using your cellphone, turn the box 90 degrees and rest your cellphone on top of it where the light can travel through the holes you made. on Introduction, Thank you for the ratings and the vote. 1. By adjusting the bent angle of the cardstock you can further alter the rainbow. You can make rainbows! Now, place a sheet of paper on the floor. It is believed that experimenting with the light spectrum in LEDs can work wonders for increasing the rate of anthocyanin production in your plant’s tissues. You should now be able to adjust the DVD and have it stay in place. on Introduction. Triangular prism. Method 1 of 3: Refracting Light with a Prism. Try a few colours and guess which colours will or won't be shown in the projected rainbow. :-), Reply First off, if you're interested in how a rainbow is formed and why white light separates when it passes through a prism check out one or both of these videos below. This project not that expensive to build, it really depends if you reused parts or buy new parts. Take 2 more magnets and place them on the outside of the box so that they stick to the ones sandwiched around the DVD, do the same for the other side. Solder LED's, resistors, wires, and cut track like in this diagram below, and watch out for the polarity of the LED's! And so much the better if you can because this helps children see science is all around us. Make Simple LED Rainbow RGB full color | How to make - YouTube Follow along if you'd like to make your own rainbow night-light! On this instructable I will show you how to make a really cool spinning rainbow light wheel! Next on the width face of our box, cut two *holes/flaps the same size as our flashlights lens. Participated in the The Instructables Book Contest, Participated in the Discover Green Science Fair for a Better Planet. To do this, take your tweezers and squeeze them along the two stacked halves of the DVD. We will use the mirror to make a water prism and imitate the effects of all those tiny water droplets suspended in the air that we need to make a … 4.5 out of 5 stars 408. As the light passes through the crystal, the light bends and how much it bends is a function of color and that allows the colors to separate. Two rings, 140 mm above, with an opening of 80 mm, one side and edge color, one side yellow. After you made a hole on the spool, fit the spool on the motor's rotor and glue it together, do not cover the tip of the rotor with glue as you will be soldering a piece of wire to the tip of the rotor, and make sure you leveled the spool on the motor properly, otherwise it will vibrate a lot. Put two pieces of masking tape… 2. 8 years ago Bend one piece to about 60 degrees 5cm from the edge (for a cleaner look, you can score it using a utility knife and a ruler). I had kept making adjustments on the flexible wire that is making an electrical contact on the outer aluminum tape ring for more than 20 minutes, but I can never get it perfect. 12 years ago 4.4 out of 5 stars 1,430. I was inspired by Taizo Matsumura’s “Hikari no Hako” kit, which is a small paper box filled with mylar tubes. Doing so will create a small separation between the two pieces. Get a prism. I found it easy to follow in some areas but hard in others. 3. While we aren't going to rely on rain for our rainbow (or more accurately our spectral projection), A diffraction grating will work well in it's place. on Introduction. Led Rainbow Projector, ONEVER Shell Shape Led Lamp, USB Charging Lamps, Rainbow Maker for Children Chrismas Gift/Kids Room . 14. To refract light, he used a prism, but water can also be used to refract visible light. Rainbow makers are crystals that refract light, scattering normal sunlight into its constituent wavelengths. Is the aluminum foil all negatively charged? £12.99 £ 12. AIZESI Rainbow Night Light Rainbow Light Neon Wall Light 5 Color Rainbow Neon Sign Light Battery Or USB Operated Rainbow Led Neon Light Table Led Lights for Girls Bedroom Hanging Wall Party Decoration. Make a rainbow with a Mirror Try placing a mirror inside a glass and angling the glass so sunlight hits the mirror. 1. itx great.....! How does the NE555 timer works? A bright white flash light (I'm using an LED night-light/flashlight from a company called Sunbeam, you can use a cellphone flashlight/torch or other bright white light), 4. The "loop" and "washer" idea is not that bad! To make an arc shaped rainbow, you'll want to position your light through the top hole/tab we made in step one. Wouldn't it be great if you could make your own, anytime, even at night to help you peacefully drift off to sleep? Great use for an old CD. Share. Then take your second piece and go from the other direction, again stopping when colour starts to fade from it. When the light bends through a specific medium such as water or a prism or crystal the light bends {or in science terms refracts} and the spectrum of colors that make up a rainbow become visible. Rainbows are pretty amazing things. You should check into "brush" motors and how they made electric motors work when they were first invented. A pair of scissors and/or a utility knife, 8. they are true rainbow wheel light. I found DVDs seem to give a better image, so I'll be using one in this Instructable. The great thing with this project is that you probably have everything you need laying around your house. I prefer this setup because it's easy to make quick adjustments. To do this, you'll need to stack something underneath the flashlight. if you put it on the bottom, th led wires will spin together... About: ––––––––––––––––––––––– "Energy cannot be created nor destroyed…, Discover Green Science Fair for a Better Planet, Digital Measuring Roller Using Microbit & Tinkercad, Pocket Dice! If I had the parts to build one, it would make my room 20% cooler. The Rainbow Lightbox uses an array of mylar tubes to create beautiful pixelated shadows from colored light. Adjust the paper and the glass until a rainbow forms on the paper. Welcome to Champak SciQ, where we teach you simple science experiments which you can do it at home. To "complete the circuit" and light up the LEDs the loose "looped" wires just have to make contact with it to make it work? Please beware this instructable involves building a high-speed device which can harm people if they touch this device during operation so I am NOT responsible if anybody gets injured by this device. By looking at a rainbow spectrum through a material and seeing how it affects the that spectrum, we can find out what exactly we're looking at. This is pretty much how a spectrometer works! How to Create a Rainbow Light Filter A while back, a photographer friend of mine made a really neat DIY rainbow light filter using diffraction glasses, and I wanted to give it a try myself so that I could show you how. So we'll be using one of these to help make our rainbow. Despite this, I can still get good rainbows. We'll make a flap that the DVD will rest on, and secure its angle with the wooden skewer. Now I finally got the spinning light wheel working!!! 10 years ago Light enters a water droplet, slows down and bends as it goes from air to water, which is denser. on Introduction, Reply Use hot water to wet the window. (picture 3), Option B: Wooden skewer adjustments (pictures 4-8 of this steps images). !but can yew tell meh the formation of pulsating dc using 555 timer ic?? on Introduction, COOL!!! Thanks for the answer. Place the other piece of paper on the floor on the other side of the glass to catch the rainbow. IT's look amazing . Shine the flashlight through the glass of water onto the piece of paper. To make straight line rainbows you'll want to position your light through the bottom hole/flap we made in step one. If you want the wheel to make some cool flashing effects, use the 555 timer oscillator. Rainbow is generated because of two physical phenomena refraction and reflection. And you should end up with the white part of the spool, that will be used to support the LED's. MAKING RAINBOWS WITH A MIRROR -Fill a large bowl or dish halfway with water and prop up a mirror inside it so that part of the mirror is under the water and part is out. on Introduction, 12 years ago First take apart cassette with a screwdriver or you might have to break it open with a hammer or something if there are security screws holding the cassette case together. We'll be using the shiny side. Hold a white paper above the pan to catch the reflected rays of the mirror. After you solder the wires on the motor and taped the aluminum foil tape on the spool, it is now time to install the LED's on the spool... Cut out two pieces of 3X12 veroboard from a big piece of veroboard using the dremel tool or other cutting tools. Electronic Dice for Liars Dice and More, small motor (you can find those motors inside a VCR), holder for the small motor (I used a small spool), VHS cassette that you don't mind destroying, Temperature controlled soldering iron/gun, a tool for cutting veroboard into pieces (I use dremel). Let me tell you, making this little rainbow filter and shooting with it have been so much fun, so I encourage you to try it if you are looking for something new! 1 year ago, Thanks a lot! Made from 250 LED lights which means it can produce 16 million different colours and frequencies! I hope you can read the schematic without a problem, if you do have a problem reading the schematic, please let me know and I will try make a better one. In the same way that light is split into its component wavelengths when it passes through water molecules in the atmosphere, creating a rainbow, each wavelength of light passing through a prism is refracted by a different amount. Did you make this project? One you got the case open, take out a spool that has the less or no tape on it, if there is some tape on the spool, take it off and do what ever you like to do with the tape. The other thing we need to know is calm water can act like a mirror. This is the difficult part, giving the LED's a power source while on the spool and spinning. Option A: Magnetic adjustments (pictures 1-3 of this steps images). I get that if you are making this with a young child you might not want to use magnets. If you just want a circle rainbow, connect the LED light sets to a 6v or 9v power source. If your setup is correct, then you should be able to watch rainbow colors on paper. When light exits the droplet… IT WORKS!!! $16.99 $ 16. These, similar to water droplets, can split white light into all the colours in our visual spectrum. Place a sheet of plain white paper on the floor a few inches away from the counter. Refraction can even make arrows appear to reverse directions when viewed through a glass of water! After this, adjust the position of the glass and the paper, until you are able to see a rainbow. Put the glass of water on a table or windowsill where there is sunlight. How to use a prism. Check out how to make a rainbow with the following science activities below. The same thing happens after rain, when the water droplets that are left suspended in the atmosphere act as glass mirrors to refract the light of the sun. I've included some images I took when I was doing this... See what other shapes you can make! 9 years ago Better friction loss than what I was thinking of doing for my own project. Make the polyhedron first, then glue on all but one of the paper star tips. Please note that I am only 15 years old and I am not very good at grammar so if you find some parts of the instructable confusing, please let me know and I will try fix it. If you wanna add a splash of colors to your photos, Eric Paré and Kim Henry will show you how to make your own rainbow tube in no time and with just a few components. So I simply gave up and remove the flexible wire that is causing trouble and connect the outer aluminum foil tape ring to the inner aluminum foil tape ring with a small piece of bare wire and aluminum foil tape. The first thing you'll want to do is remove the plastic lining on the top of your tissue box. I think so! Clean the surface of the mirror and place it in the pan at an angle below the surface level of the water. Now you need to break the clear part of the spool off the white part of the spool and be careful not to damage the white part of the spool. Do this on both sides of your box then poke two holes at these points and thread the skewer through the opening behind the flap that the DVD is resting on (pictures 7&8). Once they are in a good spot, you can hold them in place with your paper clips. 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Also do this, you 'll want to position your light through the top edges of the spool go?... As is, but it is time to test it to see a rainbow colours! From 250 LED lights some areas but hard in others rate: * * +vote, Reply years. Create a small space packed into a small spool that was once used to support motor! A pair of scissors and/or a utility knife, 8 you reused parts or buy new parts experiments! Rings, 140 mm above, with an opening of 80 mm, one side yellow now place.