How to Make a Simple Robot With Everyday Supplies
This little robot will add to your collection of cool things to display! These instructions tell you how to build a small robot that lights up its eyes, for an inexpensive, fun showpiece.
Pick your LED lights and heat shrink.The two lights will form the robot's eyes. Optionally, get heat shrink tubing as well for added color. You won’t need more than 5 inches (13cm) of heat shrink for this project.
Clip a piece off of the heat shrink.Cut two small pieces of heat shrink, each about ½ inch (1.25cm) long. This should be small enough that the pins on your LED will poke out after sliding through the heat shrink.
Slide the LED through the heat shrink.If you are using heat shrink, push the LED through until the light-up tip peeks out. Repeat this process for the second LED.
Shrink the heat shrink with a Soldering Iron.Start up your Soldering Iron and bring it close to the LED lights and the heat shrink. The heat from the iron should shrink the tube. Hold the LED with pliers to protect your fingers from the heat.
Select the battery pack.Get a battery pack rated of about 3v. This should fit two AA batteries.
Solder the LED and resistor to the battery pack.Take some insulated wire with the ends stripped. Solder these components as follows:
- Solder the negative (black) wire of the battery pack to the short terminal of the LED lights.
- Take a 100 ohm resistor (or a resistor close to that range). Without the resistor, the light will die out.
- Solder one pin of the resistor to the positive wire of the battery.
- Solder the other pin of the resistor to the LED's positive terminal.
- Connect the two positive pins of the two LED's.
- Connect the two negative pins of the two LED's.
Bend four paperclips into legs.Cut the paperclips such that they look like legs of the robot.
Solder on your motor’s wires to the battery holder.Solder the vibrating motor's wires to the positive and the negative wire of the battery holder.
Hot glue the motor to the battery holder.Hot glue the motor on top of the battery holder. Attach the battery holder's wires to the motor pins.
Finish your robot.Prop up your robot with the paper clip legs. Put the batteries in and watch your little robot light up and move. Keep it on a flat, smooth surface so it doesn't fall over.
QuestionI have made a robot that swims and runs, but when it runs, parts fall of. What should I do?wikiHow ContributorCommunity AnswerYou should try to make some adjustments. If it can swim, then probably the water is damaging some of the wires or something else important like the batteries. If this is not a problem, then maybe it's just a matter of figuring out how to better connect your robot together.Thanks!
QuestionWhat is a heat shrink?wikiHow ContributorCommunity AnswerHeat shrink tubing (or, commonly, heat shrink or heatshrink) is a shrinkable plastic tube used to insulate wires, providing abrasion resistance and environmental protection for stranded and solid wire conductors, connections, joints and terminals in electrical engineering.Thanks!
QuestionCan I make a bigger version?wikiHow ContributorCommunity AnswerIt would be very difficult to do so, because you would need a lot of materials.Thanks!
QuestionCan I fix a switch to it?wikiHow ContributorCommunity AnswerYes. You could add a switch when you attach the resistor to the battery leads. You could then mount the switch on top of the battery back.Thanks!
QuestionCan I make a robot if I'm a kid?wikiHow ContributorCommunity AnswerYes, but you may need an adult's permission and help with some of the steps, like soldering and hot gluing.Thanks!
QuestionWhere do I get a heat sink?wikiHow ContributorCommunity AnswerYou can get a heat shrink online or at some computer or hobby stores.Thanks!
QuestionWill my robot walk in a circle or will it walk straight?wikiHow ContributorCommunity AnswerIt will walk straight slowly.Thanks!
QuestionWhere can I purchase LEDs?wikiHow ContributorCommunity AnswerThere are many LED supply stores online or you can call your local hardware store.Thanks!
QuestionHow do I find the parts if I don't have them?wikiHow ContributorCommunity AnswerAll the parts could probably be found online.Thanks!
QuestionHow do the paperclips move?wikiHow ContributorCommunity AnswerThey move by vibration.Thanks!
Does the robot have a remote control or it works by itself?
What is the purpose of this robot ?
Where can I get the LED lights?
How can I make it climb?
How does the robot work?
- For your safety, wear safety goggles and use a fume extractor while soldering.
- Add some heat shrink tubing to the legs for extra pizazz.
- You might want to ask a grown up to help you in case there are some things you can't do on your own.
- Be careful when using a hot-glue gun and soldering iron
Things You'll Need
2 LED crystals
4 Jumbo paperclips
2 AA batteries
Pager motor (small vibrating motor found in cell-phones)
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of How to Make a Simple Robot With Everyday Supplies was reviewed by Atharva Chitre on July 30, 2015.
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