Processor | none |
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RAM | 2 KB |
Wireless Type | Radio Frequency |
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Freenove 4WD Smart Car Kit for Raspberry Pi 4 B 3 B+ B A+, Face Tracking, Line Tracking, Light Tracing, Obstacle Avoidance, Colorful Light, Ultrasonic Camera Servo (Raspberry Pi NOT Included)
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Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
- Ship it!
Purchase options and add-ons
Brand | FREENOVE |
CPU Model | None |
Operating System | Raspberry Pi OS |
Wireless Communication Standard | Radio Frequency |
About this item
- This car based on Raspberry Pi has multiple functions. (Assembly required. Raspberry Pi and Battery are NOT included.)
- Provides detailed assembly tutorial and complete code (Python) -> The download link can be found on the product box. (No paper tutorial.)
- Compatible models -> Raspberry Pi 4B / 3B+ / 3B / 3A+. (2B / B+ / A+ / Zero 1.3 / Zero W is also compatible but needs extra parts.) (Raspberry Pi is NOT included in this kit.)
- Control methods -> Controlled wirelessly by your Android phone or tablet, iPhone and computer (run Windows, macOS or Raspberry Pi OS).
- Needs battery -> Refer to "About_Battery.pdf" in downloaded file to buy.
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From the brand
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This Item Freenove 4WD Smart Car Kit for Raspberry Pi 4 B 3 B+ B A+, Face Tracking, Line Tracking, Light Tracing, Obstacle Avoidance, Colorful Light, Ultrasonic Camera Servo (Raspberry Pi NOT Included) | Recommendations | dummy | dummy | dummy | dummy | |
Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | |
Price | $69.95$69.95 | $58.88$58.88 | $74.95$74.95 | $59.95$59.95 | $63.95$63.95 | $169.95$169.95 |
Delivery | Get it as soon as Monday, Mar 25 | Get it as soon as Monday, Mar 25 | Get it as soon as Monday, Mar 25 | Get it as soon as Monday, Mar 25 | Get it as soon as Monday, Mar 25 | Get it as soon as Monday, Mar 25 |
Customer Ratings | ||||||
Value for money | 4.1 | 4.3 | 4.1 | 4.8 | 4.5 | 4.0 |
Easy to assemble | 3.9 | 4.4 | 3.9 | — | 4.6 | 3.5 |
Tech Support | 3.8 | — | 3.8 | — | 4.0 | 3.8 |
Quality of material | 4.6 | — | 4.6 | — | — | 3.8 |
For beginners | — | 4.0 | — | 4.3 | — | 2.4 |
Sold By | Freenove | SunFounderDirect | Freenove | Freenove | Freenove | Freenove |
operating system | Raspberry Pi OS | Raspberry Pi OS | Raspberry Pi OS | Raspberry Pi OS | Embedded | Raspberry Pi OS |
cpu manufacturer | — | — | Freenove | Freenove | Espressif | Freenove |
cpu speed | 0 GHz | — | — | — | 240 MHz | 0 GHz |
connectivity tech | — | GPIO | Bluetooth | I2C | Infrared | — |
wireless standard | radio frequency | infrared | bluetooth | — | infrared | infrared |
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Freenove 4WD Smart Car Kit for Raspberry Pi
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Product information
Technical Details
Brand | FREENOVE |
---|---|
Item model number | FNK0043 |
Operating System | Raspberry Pi OS |
Item Weight | 1.36 pounds |
Product Dimensions | 8.27 x 5.91 x 4.92 inches |
Item Dimensions LxWxH | 8.27 x 5.91 x 4.92 inches |
Color | Ordinary Wheels |
Computer Memory Type | DDR DRAM |
Manufacturer | Freenove |
ASIN | B07YD2LT9D |
Is Discontinued By Manufacturer | No |
Date First Available | September 26, 2019 |
Additional Information
Customer Reviews |
4.3 out of 5 stars |
---|---|
Best Sellers Rank | #879 in Single Board Computers (Computers & Accessories) |
Warranty & Support
Feedback
Product Description
Important Notes:
This car needs to be assembled and does NOT include Raspberry Pi and battery.
(Refer to "About_Battery.pdf" in downloaded file to buy battery.)
Overview:
This is a programmable car kit with multiple functions.
Whether you want to experience the joy of robots or learn to program, this is a good choice.
We provide free technical support to help you with any questions and problems.
Compatible Models:
* Recommended:
Raspberry Pi 4B / 3B+ / 3B / 3A+
* Also compatible but needs extra parts (refer to tutorial for details):
Raspberry Pi 2B / B+ / A+ / Zero 1.3 / Zero W
(Note: Raspberry Pi is NOT included in this kit.)
Tutorial and Code:
Comes with detailed tutorial and complete code (Python). (Download needed, no paper tutorial.)
The download link can be found on the product box.
Remote Control:
You can use the following devices to control this car:
* Computer:
Laptop or desktop. (Run Windows, macOS or Raspberry Pi OS.)
(Refer to tutorial for details.)
* Android device:
Android phone or tablet. (Run Android 4.4 or later, installed Freenove App.)
(Search Freenove on Google Play.)
* iPhone:
(Run iOS 10 or later, installed Freenove App.)
(Search Freenove on App Store.)
Needed but Not Included:
2 x Battery (Refer to "About_Battery.pdf" in downloaded file to buy.)
1 x Charger for battery
1 x Raspberry Pi board and its necessary accessories
Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the ease of construction, appearance and value of the single board computer. They mention it's a good learning project, great for learning programming and machine learning, and fun to build and play with. Some are disappointed with size, and screws. Opinions are mixed on documentation, performance, and quality.
AI-generated from the text of customer reviews
Customers find the single board computer easy to assemble. They mention it's a good learning project for learning programming and machine learning. Some say it'll be fun to build and play with. Overall, customers find it to be a great kit for beginners and a fun project for any robot or code enthusiast.
"...Great for learning programming and machine learning (ML). You could learn and apply all modern technologies and build amazing project...." Read more
"...I believe that it is a great platform to use and then develop your own coding...." Read more
"...from having to return it it was a fun project and has huge potential as an engineering project. I honestly regret that I got a defective board...." Read more
"...It passed all of the diagnostic tests. Seems a little flimsy. Nice way to learn Python. Hoping to use more AI capabilities over WiFii using my PC...." Read more
Customers are satisfied with the appearance of the single board computer. They mention that the well designed parts and 128 page instruction manual are impressive and helpful. They also say that the Python software is well designed and easy to modify and enhance. Customers also appreciate the quality of the product, saying that it's a great foundation for getting into coding small electronics.
"...However the manual is well made and covers A LOT OF STUFF, so if you are patient - you will get there and will still have some remaining hear you..." Read more
"The well designed parts and 128 page instruction manual including the computer code make this car easy to assemble and operate...." Read more
"...Action to commands and video feed, very nice. Why the 4 star overall?..." Read more
"...Product Overview:------------------ Packaging: seemed well put together. No visible damage.-..." Read more
Customers appreciate the value of the single board computer. They say it's great value and well worth the money.
"...All in all this kit offers a lot for the money and earns a five star rating...." Read more
"...I must say that the car for the Amazon price is a great bargain...." Read more
"Great value, and a lot of fun for any robot/code enthusiast. Batteries are sold separately, so make sure to pick up some if you decide to get one...." Read more
"...for me was bring the concept of robotics down to Earth and for a cheap price at that...." Read more
Customers have mixed opinions about the documentation for the single board computer. Some find the instructions fairly detailed and straightforward, while others say they're vague or repeat themselves. Some customers also mention that the manual comes in PDF form and that the order of steps is not correct.
"...Troubleshooting experience will come handy and especially with Linux operating system - you must be comfortable with Linux terminal and various..." Read more
"The well designed parts and 128 page instruction manual including the computer code make this car easy to assemble and operate...." Read more
"It was difficult to assemble due the tiny parts and screws...." Read more
"I think this is a unit for a lot of reasons. It is pretty much straight forward to assemble...." Read more
Customers are mixed about the performance of the single board computer. Some mention that it works great, while others say that it didn't work well.
"...well. - All parts are in-place. - All electronic pieces are working well...." Read more
"...Why the 4 star overall? It does not work yet with the 64-bit Raspberry software, only works on 32-bit software or you must skip the camera action...." Read more
"...There is a very good and reasonable set of test codes...." Read more
"...All software is provided and simply works. Impressive3...." Read more
Customers are mixed about the quality of the single board computer. Some mention it's an outstanding kit, fantastic product, and a good first robot car. However, others say that it came with a defective board, seems a little flimsy, and is hard to assemble.
"...Shipping: - Shipping was quick and packaging was good.Handling:This is NOT a project for beginner or a child...." Read more
"...The ultrasonic sensor that came with the car kit was defective and was replaced after three weeks for overseas shipping...." Read more
"...Simply put, this kit is amazing...." Read more
"The car itself is a great product. But the amazing aspect that it is designed to be programmed whatever you want it to be...." Read more
Customers are dissatisfied with the size of the single board computer. They mention that the screws are very tiny, the cutouts for the plastic attachments seemed a little undersized, and there are too many tiny parts.
"...A warning, there are very small parts so assemble on a surface and use a kitchen towel to catch dropped parts...." Read more
"...On a positive note, they sent extra screws because they are so tiny and you are likely to loose them as I did...." Read more
"...The screws are very tiny so I would not recommend for anyone who doesn't have tiny fingers (the smallest screw they use is a metric size 2x5) and at..." Read more
"...is that the screws that attach the camera and the distance sensor were too small. They wouldn't bite into the acrylic and just fell out...." Read more
Customers are dissatisfied with the screws and holes in the single board computer. They mention that the design is extremely terrible, they sent the wrong screws, and the screws keep popping out. Some customers also have difficulty with the small screws. Overall, customers are disappointed with the quality and design of the screws.
"...That kit has more features, but the kit is not as well designed and the instructions were very poor by comparison...." Read more
"...They sent the wrong screws and then support does not believe me and asked me for additional pictures and videos...." Read more
"...great potential but as an experienced assembler I had some difficulties with small screws. Needed to have better specifications for batteries...." Read more
"...Minus: Screw design for smart sensor/camera is terrible. Too many little screws that doen't hold with the motion and keep popping out...cannot fix..." Read more
Reviews with images
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Top reviews
Top reviews from the United States
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- The quality of the product is good.
- Pieces go together well.
- All parts are in-place.
- All electronic pieces are working well.
Shipping:
- Shipping was quick and packaging was good.
Handling:
This is NOT a project for beginner or a child. This car is not to be played in the manner kids expect to play with
remote control cars. This is NOT remote control car. Don't get me wrong, this car is controlled, by you from your Android app or computer because it is a full blown computer on wheels so it is connected to your WiFi.
Kids should not drag this car around by hands or bump it in any way - car is bare naked computer with unprocessed fancy sensors attached to it. So should be handled with care.
Skills:
You should very comfortable very with computers and computer hardware parts. Troubleshooting experience will come handy and especially with Linux operating system - you must be comfortable with Linux terminal and various commands.
Medium level Python programming skills will make this project easier. Sometimes you have to use common sense when connecting wires (for example camera wire) as photo on instructions are not precise sometime. However the manual is well made and covers A LOT OF STUFF, so if you are patient - you will get there and will still have some remaining hear you haven't manage to pull yet.
Issues:
The only issue I discovered is that wheels spin in reverse direction so when you press forward they go backwards and left and right are also reversed. This makes many things unusable. I wrote email to their tech support and got response in about two day - which I find very reasonable. First one to swap cables on the motor (which would require soldering iron) and another one is to make changes to the Python code in Motor.py and "-" in from of four "(dutyX)" lines. Despite the fact that updating was was way easier, I chose to swap wires for fun - haven't soldered anything in years.
Other than that everything worked perfectly.
MUST HAVE:
Car needs two 18650 batteries. My recommendation is to buy 4-pack and a charger. These batteries power up a computer (RaspberryPi) with additional board, four powerful motors, many sensors, LED light, buzzer and camera. If you use the car actively the batteries will drain in about 2 hours which is not bad - so having a spare back will definitely help.
FINAL NOTE:
This is a great car and you can do anything with it. Great for learning programming and machine learning (ML). You could learn and apply all modern technologies and build amazing project. I am looking forward to updating the server part and train the car to learn various algorithm such as Reinforcement Learning.
This car can to the same thing Amazon DeepRacer does because you can apply all the same technologies but Amazon DeepRacer is about $399 so I could not justify this as I can do the same thing on this car.
ENJOY!
However, I encountered a couple problems that should have been handled better and distracted from my overall enjoyment of the project. Next to control from a phone the most useful function is the obstacle avoidance using the ultrasonic sensor for control. The ultrasonic sensor that came with the car kit was defective and was replaced after three weeks for overseas shipping. However, the replacement sensor was also defective, and in spite of my detailed documentation of the problem Freenove refused to replace it. I had an ultrasonic sensor from another project which I was able to use but it had intermittent errors that severely compromised this important function. The other problem was less serious but annoying and time consuming. The code downloaded to control the car had an error which applied less than a third the required power to the wheels for forward motion. Therefore, the car refused to move resulting in several days of emails blaming the problem on the batteries before I finally traced it to the code error. It has been three weeks since this problem was reported to Freenove and a download of the code today showed the error had not been corrected.
Reviewed in the United States on May 22, 2022
There is a very good and reasonable set of test codes. I found a few things to modify for my use which were easy to do once I made the full directory rwx.
I believe that it is a great platform to use and then develop your own coding. I am using an RPI 4 so I had no issues with the DMA channel for the addressable LEDs.
I had a problem with servo 0 being too sloppy so I had to change it out. I thought at first this would be somewhat difficult but is ended being quite simple. I have a lot of servos so picking one to do the job was easy. The two servos go through the full half circle cleanly and with no jitter.
I like the fact that most of the components are controlled by I2C and only use two channels. Lots of support for the devices and the material as part of the package is very good.
Overall I am very pleased with the purchase and believe that almost anyone that is interested in base robotics can learn a lot.
Top reviews from other countries
Bei dem Raspberry muss man erst diesen einrichten, Software installieren, einen PC / Laptop für den Remote Zugriff einrichten etc. Mit den vorgegebenen Funktionen kommt man schnell an das Ende des Spaßes an. Das Teil ist gut geeignet wenn man selber programmieren möchte und schon ein Stück weit weiß was man tut.
Zu FREENOVE selber.
In der Anleitung wird versprochen, dass man immer support bekommt und sich das Unternehmen auch über den Verkauf hinaus verantwortlich für seine Produkte sieht.
Ich kann das aus eigener Erfahrung nur bestätigen. Ich hatte bereits mehrmals Kontakt zum support um auch tief gehende Fragen zur Elektronik zu stellen und bekam stets innerhalb kurzer Zeit Antwort.
Ich bin begeistert. Deshalb auch 5 Sterne Gesamtbewertung
However, there are a few issues. One issue is that the car kit doesn't come with rechargeable 18650 batteries. I ended up spending some time on Amazon doing research and buying a bundle of these expensive batteries and charger. I wish the car kit can include batteries and charge a little extra.
My second major issue is that the manual is poorly written. There are duplicated sections all over and it can confuse people. Most importantly, some key installation steps should be emphasized. For example, my kid was stuck between Step 9-11 on Page 51 (duplicated on Page 72) when attaching camera module to servo package. After quite a while of watching the video of assembled car like a detective to gather clues, I realized that one needed to attach a white rocker arm on Step 9. Then Page 73 says there are two ways to fix the servo 0. I don't think the second way works. Another example is when wiring the ribbon for camera (Page 54). A kid would simply insert a ribbon into the slot. Step 1 on Page 54 should emphasize that one needs to pull the lever out first, insert the ribbon and then push the lever in.
In retrospect, the car worked great. I am surprised that the installation of software is very smooth. The assembling process was frustrating sometimes and there is a lot of room for improvement and simplification.
But over all it has potential and I will most definitely have fun with this one.
All the parts are there, well packed and easy to follow instructions, but a bit un clear at some parts.
Will get more kits.
And I'm planning to upgrade this one.