MiOYOOW Line Following Robot Car Kit, Beginners Smart Car Soldering Practice Kit STEM Educational Electronics Soldering Projects for School and Home Learning
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Availability:
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Arrives
Monday, Sep 7
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Color: 1 Pack-soldering Tracking Car(dc Motor)
Features
- School Science Project: Smart DIY robot car is the most widely used in school for helping students to learn about the soldering project knowledge of mechanical structure, electronic basis skills, the principle of sensor, automatic control, soldering skill and so on.
- Its Principle: As the light reflectivity is difererent when the light is emitting on the white and black items. It uses the photoresistance resistance to tell the smart car is on the right way or not. Smart tracking car can discriminate the direction automatically that it can run freely along the black tracking line.
- Design Your Runway: You can also use the 1.5~2.0 cm black electrical tape directly on the ground to design the complex runway. It would be even more fun! This educational kit is perfect for holiday gifting and promotes valuable STEM skills!
- Easy Soldering: This smart car solder practice kit is easy to build and the principle is simple. The connection that was clearly mapped and labeled on the PCB board. It's much easier to assemble which is great for students, teenagers, beginners and DIY hobbyists.
- English Manual: We provide paper English instruction come with the product. You can scan the QR code in the last picture to get PDF manual. You can also download the Installation Manual on the Product Page Named "Technical Specification" Section (Due To Character Limit).
Description
At MIOYOOW, we offer DIY kits for different skill levels, from beginner projects to advanced builds. Our range includes digital clocks, Bluetooth speakers, smart cars, FM radios, LED lights and STEM learning kits, combining learning with hands-on fun. Each kit is designed to deliver a practical soldering experience, clear instructions are included, and support is available if needed. DIY can be challenging—but that's part of the fun. Line Following Car Kit Line Following Car Kit Obstacle Avoidance Car Remote Control Car Kit Skateboard Car DIY Kit Self-Balancing Car Kit
Brand Name: MiOYOOW
Age Range Description: over 15 years old
Educational Objective: electronic skills, mechanical skills
Set Name: Line Following Robot Car Kit
Number of Items: 1
Unit Count: 1 Count
UPC: 615135207530
Included Components: circuit board
Model Number: 10168
Manufacturer: WHDTS
Manufacturer Part Number: 43234-1592
Manufacturer recommended age: 13 years and up
Theme: Car,Robot
Battery Description: Alkaline
Material Type: fiberglass
Size: Compact
Item Dimensions: 4 x 2.8 x 0.06 inches
Item Weight: 2.4 ounces
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Monday, Sep 7
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Color: 1 Pack-soldering Tracking Car(dc Motor)
Thought I'd try this little smart car kit, I built one long ago, wasn't as nice as this one though. The kit seems small at first, everything is in a little anti-static bag perhaps 3in by 5in (8cm x 13cm?). Spread the components out and it takes up a fair bit of space. Uh, don't do that though... my cat thinks red LED's are fun to bat around. Let's see... 8 resistors, two transistors, two 10K potentiometers, 4 LED's (2 kinds of red), 2 LDR's, 2 electrolytic capacitors, 2 motors, gear sets and wheels, one battery holder (2 AA) and clicky power button. An LM393 dual op-amp, a nice blue PCB, some wire and a handful of screws. Oh, and a bolt with nut and acorn nut to work as a 'caster' wheel. Plenty to do! The kit comes with a sheet of instructions, one side has an oval track on it so you can play with your smart car right away, while the other side has instructions for assembly, a parts list and a good schematic. If you download the 'Smart Car Instruction' PDF file, it expands on the assembly instructions with good quality color photos, allowing you to visually verify you've got things in the right places, right orientation (electrolytic caps, transistors, LED's and op-amp!). Very helpful. Assembly is straightforward, start with the lowest components (the resistors, usually), and solder them to the PCB as directed, paying attention to the silkscreen for LED & eCap polarity and others as needed. I suppose it took me about an hour, I've been soldering for some years (we won't discuss how MANY years!), and it wasn't difficult at all. The possible problem areas might be the 2 pair of LED/LDR's, which are soldered on the BOTTOM of the PCB, where the solder pads are... so you're kinda soldering them in 'backwards', be sure to leave the leads long on those components so you can get your iron in under them. They need to be long anyways to shine on surface and detect reflected light (or not). The gear sets, axles, wheels and motors were fiddly to assemble, you may need three hands to keep the axle and its supports aligned while you tighten the screw on the other side of the PCB. You'll get it... but you may need to try a couple of times to get it all lined up, I did. Get one screw going good, suddenly the other axle support rotates away from its position. GRRRR! Sometimes blue-tak or masking tape can be very helpful! I have a grumble, I feel the battery holder should be installed LAST, as if you're not really careful centering it and keeping it away from other solder holes/pads, you'll have difficulty placing the four wires to power the two motors. The motor power wires must be inserted into small pads which are very close to the side of the battery holder. I'd really recommend leaving the holder until last, as you'll have more room to get your fingers, pliers, tweezers, chopsticks... whatever... in the area to connect the motor wires. Then solder the two leads for the battery holder, wrap the wires around the PCB, double-sided sticky tape the battery pack in place, and voila! Examining my car, I placed the battery holder a bit off-center (only a teensy bit!), crowding the M1/M2 motor wire contacts. just FYI. Now the really fun bit! Turning it on and tweaking the two potentiometers! This is where I'd like to have a blurb in the instructions describing the potentiometer functionality. Yes, you can figure it out by playing with them, the schematic is very helpful as you can determine that they are bias voltage level controls for the dual op-amp trigger levels. And they interact with each other a little bit, so that can frustrate a less experienced kit builder. Basically, they set the threshold for the two LDR's (Light Dependent Resistors). Depending on how much light is reflected back by the surface, the resistance of the LDR changes, changing the voltage presented to the inputs to the dual op-amp (LM393). If the voltages differ, the op-amp output either goes to Vcc or Gnd, depending in which voltage is higher (wikipedia has a good article on op-amps, check it out). If the output is low (Gnd), it turns on its appropriate transistor and energizes a motor. If the output is high (Vcc), it turns OFF the transistor (PNP) and the motor is de-energized, stopping it. You'll have to tinker with the potentiometer settings to get Mr Smart Car to behave, My experience thus far is to start both pots at dead center, and with the power on, tweak them every so very very slightly CCW (counter-clockwise). My car likes to go to the right preferentially, sometimes I can get it to go left... but generally he likes going around the track in a clockwise direction. Your experience will likely vary from mine. You'll swear it has a mind of it's own though. I took mine into work and set up a huge track using electrical tape on a large table. It ran for several hours with people picking it up and looking, then putting it down to zoom around again. We all had fun! I've enjoyed the kit and will likely order more to give to my friends and their kids, perhaps I can spark their interests in electronics. Or maybe a smart car racing club!
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Reviewed in the United States on July 30, 2019 by Loni N.
Color: 1 Pack-soldering Tracking Car(dc Motor)
I did this as a father-dauther project with my 9 yo over two evenings afterschool. She had never soldered before and this was just enough of a challenge that it kept up a feeling of suspense to see if it would really work at the end or if some component might have been damaged in the soldering process. General comments: It worked in the end. It gave my 9 yo a chance to build something from a circuit board and a bag of lose parts all the way to a working toy car. The one sheet paper instructions was more of a general guide and the track is on the back so don't throw it away. There are QR codes to scan to download the instruction manual and if you search the name of the product you can find youtube videos showing you how to build it. The videos help with confidence but the actual instructions were more accurate in my opinion. I don't think only having digital instructions is a bad thing because it forces you to look at on a screen which then makes it easy to zoom in on the parts and really see what goes where. Overall, I think it's a pretty good kit. You do need 2 AA batteries (not included). Building comments: Make sure you have the right tools to start. You will need 1) a soldering iron (off Amazon or locally from a hardware store / big box retailer), 2) solder (normally comes with a soldering iron), 3) wire cutters, and 4) a small Philip's head screwdriver. Sort out all of the pieces and pay close attention to the colors on the resisters (small tubes with a wire going out of each end). Match up the colors as exact as possible with the photos and you will be fine. The lights have one positive and one negative wire coming out of it. The positive wire is slightly longer than the negative. If you look on the circuit board there will be one round (negative) and one positive (square) pads. The longer wire goes to the square pad and the shorter one goes to the round pad. The gears on the motors should not be pushed down all the way. Just push them on enough so they stay and turn, this will give you more leeway with positioning the gears for the wheels to connect. I would hold off installing the battery wires and tray until the very end. If it does not work correctly at first, check that there is enough solder to make a good connection for all of the parts. Check that the lights and sensors are allighted together so it can see the light bounce back.
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Reviewed in the United States on January 20, 2023 by RT
Color: 1 Pack-soldering Tracking Car(dc Motor)
This is a fun little build that gives beginners a chance to practice soldering while ending up with a working line‑following robot. The board layout is straightforward, the components are easy to place, and everything comes together without much trouble. One thing the directions don’t mention is the need to adjust the small pots to fine‑tune the sensors, which makes a big difference in how smoothly it tracks the line. Once those are dialed in, the car behaves exactly as expected and becomes a satisfying little STEM project.
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Reviewed in the United States on January 13, 2026 by Brian C
Color: 1 Pack-soldering Tracking Car(dc Motor)
Great bang for your buck! You need intermediate soldering and electronics knowledge to put this together, but it was perfect for my daughter's science fair project. The instructions could be greatly improved... Worked exactly as promised once together though. I was able to put this together much faster than the video reviews of this product. To each their own. Was able to teach basic soldering to my 9 year old daughter with the less heat sensitive components.
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Reviewed in the United States on June 27, 2026 by Cuchulainn
Color: 1 Pack-soldering Tracking Car(dc Motor)
My child was able to do most of the soldering on this board, but there were a few spots where I had to intervene and the whole project required close supervision unlike a couple of other boards she has done. The circuit itself is fine, but the mechanical components are ridiculously flimsy, the PCB is poorly marked, and the instructions are bad. The assembly instructions consist of a photo and a couple sentences in broken English telling you something along the lines of "solder the stuff in this picture". The LED's don't have the + terminal marked on the PCB, but at least there is a symbol of a diode pointing in the correct direction if you know about such things. For the LED's on the bottom you need to know that square pads mark the + side because there are no other markings whatsoever. Novices will have trouble with this stuff. Same goes with the capacitors and transistors. They don't mention correct pin orientation of the comparators. I'm trying to teach my child to solder, and because of the bad instructions she was not able to do this on her own. On the positive side though I suppose she learned these things. Annoyingly the pads for the photoresistors and bottom LEDs are on the same side that you are supposed to solder them to. This was probably done to save a few cents on board manufacturing, and novices will not know how to handle this step properly. Very badly done. If you blindly push the leads though the pcb and apply solder to the opposite side you will not get a good electrical connection. You must solder to the pad. The instructions don't tell you which side of the motor is what polarity and so you have to use trial and error to get your car to run in the correct direction. There are probably some other annoying things that I an forgetting, too. Now I have the car successfully built and the electronics are working fine, but on the right hand side due to shoddy tolerances the worm gear only partially drives the axle gear. I can manually realign it to get the car working for a bit, but within minutes it starts slipping again and I the right hand side wheel stops turning. I get that the manufacturer is trying to keep costs down, but the extremes they went to detract from enjoyment of the kit. I would gladly pay another dollar or two for better mechanical components.
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Reviewed in the United States on January 9, 2021 by Arrr
Color: 1 Pack-soldering Tracking Car(dc Motor)
Simple project takes about 15-25 minutes if you’re going at a moderate pace
Reviewed in the United States on July 20, 2026 by T
Color: 1 Pack-soldering Tracking Car(dc Motor)
This little line following robot features a Texas Instruments LM393 comparator as its main MCU, and it does a great job of mating digital electronics with mechanical components in a small package. The parts are fair, but the battery holder is of average quality. It works but the springs and positive terminal contacts seem a bit cheap and I had some difficultly getting AA batteries to fit in the holder, but once they were in they made decent contact and were snug. I didn't need to worry about them popping out, but the contacts had a little bit of an alignment issue. Some of the mechanical parts had unclear instructions, but were intuitive enough that they could be figured out with some guess work. The PCB construction has one feature that I initially thought was a bug: the solder points are only on one side, which makes it somewhat difficult to solder the photoresistors and LEDs. However, this also prevents a builder from soldering them flush to the board, which would make the line reading much more difficult because it would create too much space between the surface of the 'track' and the photoresistors. making the LEDs and photoresistors hang a bit lower improves the ability of this little robot to 'see' the lines more clearly. My particular unit seems to take right turns better than left turns, but I have not yet attempted to tune the potentiometers for cleaner comparisons. It functions rather well and moves quicker than I expected given the gearing. This is a fun little project to help interest kids and enthusiasts in electronics and diy build kits. This seems like it would be a fun kit for a classroom setting because of its inclusion of electronic and mechanical components. The comparator is socketed, so it can be reused in future projects if an enthusiast wants to create something with more utility, and many other parts like the motors, gears, battery holder, and potentiometers could be salvaged for other projects as well. I wouldn't suggest salvaging other soldered parts since many of them have short leads after clipping the excess.
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Reviewed in the United States on June 18, 2019 by Kevin
Color: 1 Pack-soldering Tracking Car(dc Motor)
I don't know much about the actual item because the presentation of the item when it arrived was too disappointing to consider opening. This was supposed to be a gift for a young friend , and it arrived in a 7" X 4" transparent bag, predominately labeled with a bar code and a small print paragraph identifying the contents. No photo or anything else on the packet except for "MADE IN CHINA" in a font lager than the identification print. I definitely said it was a gift in my order, but there is no gift appeal in the condition in which it arrived. At first I thought I got the wrong order because I saw no indication of a robot car at all, and it was merely thrown in a large carton along with a pair of shoes I ordered. If I have time to find a replacement, I will return this.
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Reviewed in the United States on May 5, 2026 by Linda B.