Effect: The ultrasonic sensor constantly detect the distance between the Maqueen and obstacle ahead, if it is smaller then 30cm, Maqueen randomly turns left or right to avoid the obstacle. based graphical programming platform that supports all kinds of open-source hardware such as Arduino and micro:bit.

Check the calibration result: after the calibration is completed, put the sensor in the white area, and the two line-tracking indicators will be on; put it in the black area, and they”ll be off, which means the calibration is correct. Get high-speed, remote-control cars with rechargeable batteries they’ll love playing with for hours on end. It aims to inspire all children to participate in programming and pave the path for them to further develop and create. A constraint condition should be added for test barrier, that is, filter out the data when the distance is not 0 or less than 5.This book provides a cost-efficient and fun way for primary and secondary school students to learn programming. Learning Target: Learn to read the distance of ultrasound, so that later can be flexible use of these data. Effect: Detect the distance between the sensor and obstacle ahead, and display the data on the LED Matrix (unit: cm).

With a mini body, play-and-play, it allows students to quickly learn graphical programming in an entertaining way while nurturing their interests in science and logical thinking.

The courses guide them to explore how to control a robot car Maqueen by coding, during which they will get to know the basics of robotics. Line patrol, ambient light, LED lights, ultrasonic interface, servo interface, buzzer, I2C interface, mechanical expansion screw hole, etc. Press the calibration button for about 1s, and the two blue LED line-tracking indicators will flash. With 𝗔 𝗕𝗥𝗨𝗦𝗛𝗘𝗗 𝗣𝗢𝗪𝗘𝗥𝗙𝗨𝗟 built-in motor, our rc trucks 4x4 offroad waterproof come fully assembled, ready to run straight out of the box. Effect: The RGB ambient light at the bottom of the Maqueen shows a variety of colors and presents a gradient effect.

Drag and drop graphical code blocks to make programs, or use high-level programming languages like Python, C, C++, etc.The 4WD 1 16 SCALE remote control monster trucks boast extraordinary grip, operation and durability. If you are looking for an exciting and extra cool present, then you will love our radio controlled cars. and a special 𝗗𝗢𝗨𝗕𝗟𝗘 𝗕𝗔𝗧𝗧𝗘𝗥𝗬 𝗖𝗢𝗡𝗡𝗘𝗖𝗧𝗢𝗥, the LAEGENDARY high speed remote control cars for boys and adults will run for up to 40+ minutes at a time.

Effect: when Maqueen’s line-tracking sensor is put on the black line, the sensor outputs 0, and display 0 on the micro:bit LED matrix; if put on white area, output 1 and display 1 on the LED matrix. Learning Target: Learn to read the key assignments of infrared, so that later can be flexible use of these data. Children can code Maqueen to play, learn and create so as to enhance their analytical and creative thinking skills, which is precisely what the original intention of STEAM education is. Effect: Maqueen moves forward 1 second, turn left 1 second, turn right 1 second, move backward and turn right 1 second. Inspire little builders with construction toys like an excavator, crawler, hauler, buggy or bulldozer.When the battery voltage is lower than 2V, the LED on the board and other functions can work normally, but the motor can’t rotate due to insufficient power.