[Preface]

As a post-80s generation, the fun of childhood was endless. There were no electronic products, but more hand toys. Even then, we enjoyed it. With the development of science and technology, all kinds of electronic products have entered our lives. As our next generation, their lives are happy, but there seems to be something wrong with our childhood. With the acceleration of urbanization, their daily life has long been flooded with electronic products. Mobile phones, tablets, and various robots have far less fun in childhood than we had at that time.

However, how can we, like us at that time, not only do it ourselves but also have fun? Maybe a small truck—— ”An intelligent programmable educational robot suitable for children aged 6-12 "can meet this requirement. Not surprisingly, I would like to thank the machine trial platform for providing this opportunity to try out the XKbot robot car. The sense of curiosity and eagerness to explore came into being when I was a child.

Introduction

Changsha Xiaoka Robot Technology Co., Ltd. is a scientific and technological innovation enterprise dedicated to the research and development of children's programming education robots. Its products are specially designed for children aged 3-12 years old, aiming at making children learn programming knowledge more interesting and simple, developing children's creativity and improving their logical thinking ability through "learning in fun". We will combine mobile Internet and robot education in depth, and strive to create a new era of Internet robot education.

Small card robot and XKBOT smart car are two core products. The hardware design is both "cute" and "smart". The powerful APP design can not only provide rich entertainment application functions, but also enable users to edit program commands graphically and implement them by robots. In the process of education and entertainment, children's imagination, practical ability, logical thinking ability creative ability.

Small card robot also absorbs the most advanced STEAM child education concept at home and abroad, and sends different courses every month. Let the children have the motivation to continue to challenge and truly achieve "smart growth".

The outer package of the dark yellow paper shell can be said to be printed simply, and there is nothing else except a simple introduction. However, the cartoon characters in the shape of astronauts are full of technology and sense of exploration.

Product parameters:

From the parameter configuration of the robot car, we first passed the eye addiction in advance to warm up the following experience.

It should be mentioned here that the XKbot robot car is suitable for children over 6 years old, and children under 6 years old need to be accompanied by their parents.

[Details]

Well, these are the parts of all the XKbot machine cars. A lot of parts are assembled into a vivid machine car by yourself. It's exciting to think about it. Of course, for the first time, I was a bit confused when I opened the package and saw this pile of parts. Fortunately, the manual accompanying the product let me get everything done.

The core part of the robot car is still the main control panel. It uses lead-free black gold, which is safe and environmentally friendly. The two ultrasonic sensors in the front are eye-catching, similar to the two headlights of a car. The main control board is also full of sockets for data cables of various parts. I have to say that for a man of science and engineering, this is enough to arouse my curiosity and desire to do things.

The brick red frame is made of aluminum alloy anodized material, which ensures that it is more light and beautiful on the premise of firmness.

The two large wheels are made of high resistance rubber, which can ensure that the XKbot robot can ride freely in various road environments.

Yes, the XKbot machine car uses 18650 rechargeable batteries, which need to be fixed to the frame with velcro. The design of the battery is a bit low-end for the lithium battery used in various electronic products, but it performs well in charging and endurance. Although the 18650 battery is used, a micro USB charging interface is designed on the motherboard of the XKbot robot car, which can be charged directly with the micro USB data cable. Of course, the 18650 battery can also be replaced.

Installation

In fact, for assembly, it may feel a bit big at the beginning when you see many parts, but when you look at the whole thread of each part, you will feel a sense of enlightenment. You can't help but be eager to experience the fun of installation and the sense of achievement it brings.

The kit provided with the product includes all the tools and screws required for assembling the XKbot machine car. It is not necessary to prepare additional tools. It can be said that it is thoughtful and comprehensive.

first It can be said that the installation of the XKbot robot car was relatively smooth. Here, we should mention that we forgot to install nuts when fixing the motor at the beginning. As a result, we found that the motor was loose when installing the wheels, and we still needed nuts to fix it. In addition, the most important and difficult individual thought that it was the process of inserting various wires into the main control board in the last link, which could be said to be careful, for fear that the wires were inserted incorrectly or reversely. However, it was proved that this was redundant, and various plugs and sockets were designed to prevent incorrect insertion.

In order to be foolproof, the last power cord is inserted. Finally, turn the power switch from OFF to ON, and the indicator light comes on, accompanied by three different tones of "squeak" sound, indicating that the mechanical car has been successfully assembled and started up, and a new XKbot mechanical car has come out. It is worth mentioning that the assembly process is not only full of sense of achievement, but also a link between parents and children to interact and cultivate children's practical ability and increase communication. Why not.

[Usage]

After a lot of efforts and accompanied by a sense of achievement, the XKbot robot car is far more than just a manual assembly process. Its functions have multiple modes. Through the mode selection toggle switch on the main control board, you can switch between the line patrol mode, obstacle avoidance mode and Bluetooth mode. Each mode has good fun, Especially for children in the exploration period. In addition, an intelligent connection port is reserved on the main control board, which has strong scalability and more possibilities.

Mode 1: Line patrol mode

In this mode, the robot can walk along the preset black line and white background.

A "∞" track map is attached with the product. The robot car can move along the black line on the track, based on the line patrol sensor in front of the car. Of course, you can give full play to your imagination to design various tracks, so that the robot car can travel along its own set track.

Mode 2: obstacle avoidance mode

In this mode, the robot car can avoid obstacles by itself before contacting them through ultrasonic detection of the distance between the robot car and the obstacles, which is very like a thinking live car.

Yes, the two eye-catching and similar to the headlights mentioned above are ultrasonic sensors, which can help the car to have self-awareness and avoid obstacles.

Mode 3: Bluetooth mode

The XKbot robot car supports small card APP, which can be controlled by pairing Android or IOS intelligent devices.

The "Small Card Robot" APP can be installed by scanning the QR code on the outer package and the instruction manual. After installation, the user needs to register first. The registration can be easily completed by entering the mobile phone number and verification code.

On the Bluetooth connection, the XKbot robot car is also very simple. When the mode selection switch of the robot car is turned to the Bluetooth mode, a small red light flashes on the main control board, indicating that the Bluetooth of the robot car is ready. Then open the small card robot APP on the mobile phone or tablet, enter the main interface, click the "+" in the upper right corner, and the search interface will pop up. Then click the cartoon icon of the small robot found in the search to complete the Bluetooth connection. After the connection is successful, the upper right corner of the APP will change from the original "+" to the small robot icon, and the flashing red light on the main control board will go out.

In the motion mode of APP, the XKbot robot car can be controlled at will, including forward, backward and steering. At this time, the mobile phone can be used as a handle or a remote control, and the XKbot becomes a remote control car. One of the best things here is the "super fast car" in the APP, which is like a hand game "super fast car". However, the XKbot robot car is actually operated. The mobile phone's gravity sensing forward tilt, backward tilt or left tilt and right tilt are used to control the forward, braking and steering of the robot car, which is fun and interesting.

The programming mode in APP may be the most inspiring one to arouse children's interest. XKbot can modularize programming, visually add and splice various action commands and conditions at will, and then let the XKbot robot car execute according to the last splicing command. For breath lights, sensors, and buzzers, they can also be programmed to the extent to complete the set commands according to the photographic imagination. It is completely a self designed instruction, and it is easy to understand. For children, this kind of programming is the most acceptable and willing way. It is full of fun and development enlightenment.

In addition, the app has a unique shake function. When you pick up your phone and shake it, the XKbot robot car will follow your rhythm and turn around, which is very interactive.

[Conclusion]

The highlight of the XKbot robot car is that it can be assembled by itself, and it also adopts the welding free installation design. Only one screwdriver is needed to install the whole robot car in 10 minutes. Children over 6 years old can assemble independently, which can effectively cultivate children's hands-on ability. Of course, the highlights are far more than that. With the Bluetooth connected APP control, the graphical programming method can make programming as simple as painting, so that children can step into the door of the future intelligent era. The XKbot robot car is not only a toy for children, but also a playmate to accompany children to explore and discover, teaching and enjoying together. The disadvantage is that each plug-in wire on the main control board is exposed and often touched by hand, which may lead to poor contact after a long time. It is suggested that future products can add the whole shell protection to the main control board like the acrylic cover plate at the upper end; There is no fall prevention design, and there is the possibility of falling and damaging when playing on the table or at a step; In addition, the traveling speed of the robot is too slow and cannot be adjusted.

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