Introduction - If you have any usage issues, please Google them yourself
Project Name: Ultrasonic Distance Measurement receive some program features: crystal using 12M, pin definition: P0.1 (SDA), P0.2 (SCL), P3.2 (that is, INT0, infrared input), P3.3 ( that is, INT1, ultrasonic input) Hardware Environment: self-made single-chip board, software environment: Windows operating system using the software: Wei Fu-V3.20, Easy 51Pro v2.0