### Project Introduction Smart car, the old toy car 433 remote control is broken, the shell is retained, redesigned, and it starts to move. - - - ### Project function introduction* The car power supply part uses 7.4V lithium battery for power supply, and the motor drive part uses the L298N DC motor drive module. * Onboard power check circuit to realize low voltage alarm function; * Software simulates PWM to control motor speed; * Adopts ultrasonic obstacle avoidance; * Adds two car lights and two turn signals to the front; * One RGBLed light in the middle, bursts Flash; * The remote control adopts 2.4G wireless communication module and PS2 handle; * The main body of the car and the remote control are displayed on OLED screens respectively; * A buzzer that can play music and sound effects - - - ### Project properties Here you can fill in the completion progress of the project bar, select the check box according to the completed function, and can also be used as a function completion progress adjustment display* [x] Schematic design* [x] PCB diagram design* [x] PCB proofing* [x] Welding test* [ ] Function test* [ ] Program test - - - ### Circuit explanation Here you can attach the schematic diagram of the circuit for explanation, with text - - - ### Software ``` C ``` - - - # ## Pictures![BcGmUQLmc1UZbl3ZJPri5q3JKxuercCyigDSVYuz.jpg]
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Set up schematics, PCBs, 3D drawings, physical objects, and engineering-related pictures and GIFs. - - - ### Place the demonstration video at the video link address outside the open source platform. If the open source platform cannot be uploaded, open source upload it to other video websites and put the link here. If it can be deleted within the project, you don’t need to fill in this field. - - - ### Precautions Precautions related to engineering use - - -