Column Introduction

This column is a collection of preparation materials for the Blue Bridge Cup MCU Design and Development Competition, based on the CT107D development board (IAP15F2K61S2 MCU).

The content covers the following modules:

Basic Modules

• LED control
• Independent buttons & matrix keyboard
• Digital tube display (static/dynamic)
• Timer & interrupt system

Extended Modules

• DS1302 Real-time clock
• DS18B20 Temperature sensor
• PCF8591 ADC/DAC
• AT24C02 EEPROM storage
• Ultrasonic ranging module
• NE555 Frequency measurement

Comprehensive Practice

• UART serial communication
• PWM output control
• Past provincial/national exam analysis
• Competition code templates & tips

Continuously updated, stay tuned!