Introduction - If you have any usage issues, please Google them yourself
A blinking LED lights 1- learning to build your first project
2 water lights- latency
3, the alarm buzzer sound- the sound generation of experimental
4, 0-9, a digital counter- 74HC164 Programming Learning
5 with a flashing LED light timer control- Timer
60-9999 Counter- 4-digit LED
7 key counter- External Interrupt
8 digital clock
9 LCM1602 LCD display- LCD screen
10 scale generator- Experimental Music
11 4* 4 keypad experiment- learning the keyboard
12 Write 24C02- IIC-bus write test
13 Reading 24C02- IIC Bus Reading Experiment
14 Calendar- DS1302
15 ADC Experiment 1- ADC0832- pot experiment
16 ADC Experiment 2- ADC0832- photoresistor experiment
17 learning board and the PC Communications- Serial Communication Experiment
18 key control relay- Industrial Control Experiment
19 temperature DS18B20
20 LCM12864 LCD
21 Experimental infrared remote control decoding