单片机协议-阿里云

基于STC89C52RC单片机的MODBUS RTU协议从机的实现

在基于STC89C52RC单片机实现MODBUS RTU协议从机时，需要考虑以下几个关键方面： 1. **串口通信设置**：MODBUS RTU协议使用串口通信进行数据传输。在单片机中，需要配置串口通信参数，包括波特率、数据位、停止位和校验位，以确保与主机或其他设备的通信兼容。 &nb...

蓝桥杯之单片机学习（十九）——IIC协议（PCF8591、AT24C02）

一、EEPROM、AD/DA电路AD/DA电路：光敏电阻、电压分压EEOROM：保存数据——数据写进和读出二、IIC协议介绍三、PCF8591、AT24C02编程3.1 PCF8591先写在读1.告诉ADC读哪个通道2.然后接收回来3.2 AT24C02四、练习1.编程实现PCF8591读取通道1和...

有人使用过单片机和esp8266 通过 coap协议接入阿里云平台吗？有没有相关例程？

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更新时间 2024-03-20 19:18:16

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