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8051驱动HL-292M模块
- //1、At89S51的P1口为TDS值输入; //2、P3口为温度值输入; //3、P0口为TDS和温度的显示值; //4、P2.0、P2.1、P2.2为工作状态数码管的信号值; //5、P2.3为74HC595的SER,P2.4为74HC595的CLOCK; //6、P2.5是制水信号输入,P2.6是制冷信号输入,P2.7是加热信号输入。
hcd1080
- 基于stc89c52读取hdc1080温湿度传感器,用74hc595.启动数码管显示,希望对你有参考价值。(Based on STC89C52 read hdc1080 temperature and humidity sensor, with 74HC595. Start digital tube display, hope to have reference value for you.)
2个IO实现8*8 LED点阵电路
- 2个IO控制2片74HC595电路实现一个8*8 LED点阵电路