Smart cars have gradually become a must-have for engineering men's learning careers, used to kill time, or used to participate in various competitions. In any case, smart cars seem to be a symbol. So if you are not ready to do an experience, you will be pointed to the nose soon afterwards; "The smart car has never played, you are really out", the following summarizes the production of 10 smart cars, each Have every advantage, hurry up!
1, gesture-sensing wireless remote control car, a development board can 360 ° remote control!
The traditional push-button remote control has been out. This car is replaced by an accelerometer, which can realize the stepless steering of the car, and the more convenient and flexible operation and control of the car, making the remote control car more controllable, interesting, and accurate real-time. Sex.
The accelerator LIS302DL is used to feedback the change of the user's gesture, and the tilt angle of the four directions is processed by the controller, and then the command is sent to the trolley through the wireless module to realize the functions of forward, backward, stop, left turn, and right turn of the trolley. .
2, 51 single-chip Android Bluetooth car smart remote control car Ordinary remote control car has not been able to meet the needs of the public, if the phone can control it is much fun. The material of this car is very simple, four motor wheels, one drive module, the program can be directly downloaded after downloading the program to 51 MCU. The mobile phone PC program is directly installed and used. With the files in the attachment, the zero base can play the car.
3, three-wheeled smart car design Three-legged cockroaches are not easy to find, but the three-wheeled car can still be designed. This car is different from the four-wheeled car, and the front multi-purpose wheel makes the steering of the car more sensitive. The PWM drive chip is used to control the motor, the infrared sensor detects the black line, the metal sensor detects the iron piece, the photosensitive device detects the light intensity, the infrared LED and the integrated receiving head to avoid obstacles. Easily complete obstacle avoidance, light finding, speed measurement and other functions.
4, the cliff multi-directional obstacle car (with video and provide technical support)
Difficulties in production: 1. Timing of ultrasonic obstacles, you must ensure that you are also making cliffs while making ultrasonic timing, so you can't use delay; 2. coordination of ultrasonic, servo, and motor; 3. real-time rapid response The process of the whole process should be smooth and cannot stay in one place.
Highlights: 1. The whole program is made with time slice, no delay is used; 2. The coordination of ultrasonic, servo and motor is better.
5, based on the Raspberry Pi's environmentally friendly "æ¡ garbage" robot car (obstacle avoidance, camera, infrared, WIFI)
Although the hardware of this car is not designed by itself, from the perspective of code implementation, the difficulty should be the biggest. The highlight of this car is the ability to recognize the set object, of course, this setting should be implemented in the code in advance. Some other functions are also involved in the above-mentioned cars, such as obstacle avoidance, wifi, camera and so on.
6. Intelligent automatic light-seeking tracking fire-fighting trolley based on single-chip microcomputer can walk according to the given route, find the light source and walk to the vicinity of the light source as soon as possible, start the fan (equivalent to fire extinguishing), and continue to advance according to the previous route after the fire extinguishing . This work is affected by many factors such as ground friction, robot inertia, the difference in the number of revolutions of the robot motor, voltage changes, etc. It simulates the process of the real robot handling the fire. The light bulb represents the source of the fire, and the robot must find and extinguish it. If it is productized, some very dangerous occasions will come in handy.
7, two-wheeled balance car, providing all schematics, PCB, source program, BOM
The processor used in this two-wheeled balance car is Atmel's ATMEGA32A, and the lower computer is written in AS 6. The upper computer can be used to install Bluetooth serial port software for controlling the car. After reading the test video of the car, I don't understand why I have to add two big speakers. I have to ask the designer to explain it.
8, simple WiFi video car production (schematic diagram, host computer, lower computer code)
Using STC89C52 single-chip microcomputer, P0 port 8 data bits control two motors in two, a total of four motors; use LM2575 output positive 5v power supply, there are two usb interfaces on the main control board, one serial port debugging interface; the accessory provides the upper computer Android program, lower-end machine MCU source program, compiled successfully file.
This production uses STC89C52RC microcontroller and ADXL345 acceleration module. When the acceleration module is fixed on the hand, when the hand is tilted to the left, the car turns left; the hand leans to the right, the car turns to the right; the hand leans forward, the car advances; the hand leans backward, the car reverses; the hand does not move, the car stops Any action. The effective control range is 10 meters (open area). The car video can be found in the tutorial attachment.
10, based on the Arduino open source platform wifi video surveillance car This idea is an exotic product. I remember a foreign author made an intelligent robot based on Arduino and wifi router.
A camera is required to capture images of the car passing through the place. The Arduino module is required to implement control.
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What are the characteristics/attributes of Bluetooth speakers?
1. Mini appearance, light and portable;
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4. Long press the volume key to adjust the size;
5. Stereo sound, sensory experience;
6. Support TF card, and insert AUX audio music insert function, compatible with a variety of music formats, listen to the music you want at any time.
7.We also use waterproof material to make it, and the waterproof grade reaches IPX4, which can prevent rain or domestic water from splashing on the speaker. When using it, remember to close the charging rubber plug.
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