Application tutorial of single-chip computer learning and development device 1. Design of advertising lights based on 89S51 single-chip computer 1. Program design for arbitrary pattern display 2. Use eight lights at port p1 as a marquee 3. Use an 8-way marquee to make a 3-way running display 4. Use an 8-way marquee to make a 3-way running display 2. Digital display principles and application examples 1. Display 0-F on a digital tube 2. Experiment of displaying 0000~0255 in a four-digit digital tube in a cycle 3. Principles of single-chip computer pronunciation and program design for playing music 1. Pronunciation program ① Program one: Make a BB sound ② Program two: Make a beeping sound ③ Program three: A small trumpet makes the sound of an ambulance ④ Program four: Alarm sound program 2. Music program ① Program one: Happy Birthday (small trumpet---Happy Birthday) ② Program two: August osmanthus fragrance singing program. ③Program 3: Wish you peace IV.Serial communication 1.Program 1: Text sending 2.Program 2.232 communication program V.I2C bus working principle and application 1.Example 1: Implementation of X24C02 and MCS-51 single-chip microcomputer hardware and software 2.Example 2: Send 22H to 50H unit of 24C02 3.Example 3: ; Program to write 8 units continuously (program that has been debugged) 4.Note: I2C bus operation sub-program VI.Timer/counter principle and application 1.Application example 1: Accurate timing in the program 2.Application example 2: Use as a counter VII.Single-chip microcomputer interrupt system and application 1.Example 1.External interrupt 2.Example 2.Typical application of interrupt VIII.Comprehensive application example 1.Comprehensive application 1: Digital display of running lights Comprehensive application 2.Comprehensive application 2: Digital display controlled by keypad 3.Comprehensive application 3: Patterned colored lights controlled by keypad
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