Part 1 is written in front

In today's era of widespread application of robot technology, the emergence of a naive assembly intelligent robot has really excited me and I am looking forward to an early trial. Its name is XKBOT robot car, "a real intelligent robot of its own". Its manufacturer is Xiaoka Robot Technology Co., Ltd., a scientific and technological innovation enterprise dedicated to the research and development of children's programming education robots. The company's corporate philosophy: "We will deeply combine mobile Internet and robot education, and strive to create a new era of Internet robot education." Its two core products, the small truck robot and the XKBOT smart car, are widely praised in China. Follow my evaluation to experience the powerful functions of this XKBot robot car.

Part 2 Unpacking Overview

The main color of the outer package of the XKBOT machine car is bright yellow, giving a lively and lively feeling. The front of the package box shows the cute cartoon image of the small card robot, and the bottom clearly reads "The small card robot makes programming more interesting". The slogan is simple and clear, but it is very attractive to people who like to use their hands and brains. The familiar Love to play computer games Try the icon. I really appreciate the evaluation opportunity provided by Ainuoji platform, which let me relive my happy childhood.

The side of the package box lists the trademark, WeChat official account, website and consultation telephone respectively, so that customers can further understand the product situation. At the same time, the side design highlights the product feature of "making programming more interesting".  

Hurry to open the box and find out. After all, it took a long time to receive it. The first thing I saw was the manual of the XKBOT machine car, and the following is a printed diagram of the "∞" word movement track. Next is today's main character, a family photo of the assembly parts of the XKBOT machine car. Each part is carefully packed with plastic film and embedded in the foam anti-collision frame to avoid damage.

XKBOT machine car is divided into three categories: main control board, parts list and assembly tools. The core is the main control board. The two ultrasonic sensors on the main control board are very conspicuous, and various data sockets are distributed around it, which is very industrial, and also makes me, an engineering woman, have a strong desire to do things. However, it has been proved that my studies have been neglected for a long time, and the assembly of the XKBOT machine car is quite laborious without looking at the instructions.

Part 3 Assembly Experience

It is necessary to introduce that the XKBOT machine car adopts a welding free installation design, the parts are fixed with a copper pillar structure, and the junction between the motor and the line patrol sensor adopts a socket design. The whole machine does not need customers to weld components, and the entire robot can be installed in ten minutes with simple tools. The manufacturer hopes that while lowering the threshold for robot entry, it can also exercise customers' hands-on ability and bring better experience to everyone.

Before assembly, the key components should be matched according to the instructions. It should be noted that the manufacturer has launched two colors, retro red and technical blue, which are mainly distinguished by the car frame. This time, the evaluation is the retro red of the XKBOT machine car. It feels that the color is more suitable for my sister.

Start the actual operation according to the assembly process of the instructions. First, fix the motor on the trolley frame. The frame is made of aluminum alloy, with uniform and beautiful color, solid and beautiful overall, and the tail is engraved with a LOGO with the word "KG"; The trolley uses two separate motors to drive the wheels respectively.

Secondly, wheels, universal wheels and line patrol sensors are installed. The two large black and white wheels equipped with the trolley have outstanding performance and are made of high resistance rubber, which can ensure that the XKBOT robot can shuttle freely in various environments. A line patrol sensor with "ball" is installed at the bottom of the car, making it more flexible and light when driving.

Next, install the battery, main control board and cover plate. The copper column and screw used for fixing are designed to be unique and firm, with good fit. The car is firmly fixed. The XKBOT machine vehicle uses a 2000mA 18650 rechargeable battery, which needs to be fixed to the frame with a velcro. The main control board is designed with a USB charging interface, which can be charged directly with the USB data cable. It can be fully charged in about an hour and a half, and can work continuously for 8-16 hours. The main control board adopts lead-free black gilt circuit board, which is safe, environmentally friendly and highly integrated. It provides expansion interface, switch, color light, buzzer, mode switch, etc.

Finally, according to the figure in the instruction manual, insert the motor 1, motor 2, line patrol sensor 4P connection line and battery connection line into the corresponding sockets on the main control board, and the assembly of the XKBOT robot car is announced to be completed, looking cute, cool and very fulfilling. Carefully turn the power switch from OFF to ON, and the indicator light comes on, accompanied by three different tones, indicating that the machine car has been successfully assembled and started up, and the brand new XKBOT machine car "a truly own intelligent robot" was born.

The assembly experience shows that the parts of XKBOT machine car are well made, the process is meticulous, the size is accurate, and the spare parts are complete. Although the initial installation was smooth and the tools used were very simple, it took more than ten minutes to complete the assembly. You need to be very skilled to complete it in ten minutes.

Part 4 Function Use

Although the XKBOT machine car is small, it is powerful and full of power. Through the selection toggle switch on the main control board, it can switch between multiple modes such as line patrol, obstacle avoidance and Bluetooth. The first two modes operate independently, and the latter can be operated by remote control or programming through the exclusive APP application after the mobile phone is connected to Bluetooth. The next chapter will introduce in detail.

Line patrol mode: As the name implies, in this mode, the XKBOT robot car can rely on the line patrol sensor in front of the car to walk along the preset black line track. A "∞" shaped track diagram attached to the product can be tested well. The car can fully support all kinds of tracks designed by your imagination. If you paint them as black tracks, you can let them run along the set tracks.

The dynamic diagram of line patrol is as follows:  

Obstacle avoidance module Formula: In this mode, the XKBOT robot car can avoid obstacles by itself before contacting them through ultrasonic detection of the distance between the obstacle and the robot car. It is amazing that it seems to have its own consciousness. The dynamic diagram is as follows:

Part 5 APP Application

When the XKBOT robot car switches to the Bluetooth mode, it is the APP application that needs to be highlighted. The XKBOT robot car supports small card robot APP, which can be paired and controlled with Android or IOS smart phones. The iPhone used in this evaluation is installed and matched. By scanning the QR code on the manual, download and install the "Small Card Robot" APP. First, the user registers, enters the mobile phone number and verification code to quickly complete. After successful login, it is shown in the following figure. The XKBOT machine car is divided into motion mode, programming mode, shake shake and best speed car.

The motion mode of APP is the same as that of an ordinary remote control car. It can control the operation of the XKBOT robot car at will, including forward, backward and steering. At this time, the mobile phone is a remote control, and the XKBOT robot car is a remote control car.

The APP programming mode is illustrated in the form of graphics and text. The programming is modular. Users can add and freely combine various commands and conditions to complete a preset command according to their own ideas. The control of colored lights, sensors and buzzers can be programmed, saved and clicked to start execution, The XKBOT robot car will complete various action commands according to the program, combining brain and hand, which is very good. It is worth mentioning that the design instructions are easy to understand and can be used by children with a little instruction.

Every time you shake your mobile phone, the XKBOT robot car will follow your rhythm and circle in place, which is very interactive and interesting.

  The best speed car of APP is well done, which is a bit of hand travel. It controls the forward, braking and steering of the XKBOT robot car through the gravity sensing of the mobile phone. It is very entertaining.

Part 6 Product Summary

After experiencing the XKBOT robot car, I really can't put it down. I always want to take it out to play when I am free, especially the control of the Bluetooth mode APP application, which is very convenient. XKBOT The feature of the robot car is that it can be assembled by yourself without welding. The whole robot car can be installed in more than ten minutes through a simple configuration tool. It is suitable for adults and children over 6 years old. It can also be programmed by itself through APP applications. It is a puzzle and development toy, and also a fun companion for adults to decompress and children to use their brains. It is recommended to buy one, Assemble it yourself and create a unique and truly own intelligent robot.

Of course, I have high hopes for this product of XKBOT machine car and put forward some suggestions for improvement as follows:

1. It is suggested to choose more textured materials for the product outer packaging. It is suggested to put the design of the XKBOT machine car on the front to make the product promotion more intuitive;
2. At present, there are two kinds of colors for the machine car. It is suggested that more colors can be designed for customers to choose;

3. The rechargeable battery needs to be fixed with velcro. The design and fixation of the battery are rough. It is recommended to seal the battery and configure screws for fixation;

4. The appearance of the machine car is a little rough, and the connection line interface is basically exposed. It is recommended to design a more perfect connection line concealment scheme to increase the appearance.

5. It is recommended to add speed control buttons to distinguish high, medium and low speeds, which is easier to operate flexibly.

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