如果VCC小于5V，实际上是没问题的，但要保证两个单片机工作电压是一样的，如果VCC大于5V，比如12V或者...
百度试题 结果1 题目UART进行数据传送时,用于数据接收的引脚是?( ) A. RX B. TX C. GND D. Vcc 相关知识点: 试题来源: 解析 A 答案:A 试题解析:反馈 收藏
你用的是什么硬件，232or485,232一般不可以，485可以
百度试题 结果1 题目UART串口通信中,数据接收端引脚为() A. RX B. TX C. GND D. VCC 相关知识点: 试题来源: 解析 A 试题编号:20190829130512389 题型:单选题 答案:A 难度:一般 试题解析:反馈 收藏
Product name: USB TO UART TTL isolation moduleModule interface: USB A interface, TYPE-C interfaceSupply voltage: USB 5VCommunication rate: FT232RL: 300bps~3Mbps/CP2102: 300bps~1Mbps/CH340C: 2400bps~115200bpsLevel selection: 3.3V or 5VComputer system: WIN7, 8, 10, 11, MAC, LinuxPin ...
企业购更优惠 绿磁FT232RL 3.3v串口线 USB转TTL 3.3v下载线 uart调试升级 黑色线1mRX=TX=VCC=3.3V 京东价 ￥降价通知 累计评价 0 促销 展开促销 配送至 --请选择-- 支持 选择型号 黑色线1mRX=TX=VCC=3.3V 黑色线2mRX=TX=VCC=3.3V 更多商品信息 ...
Part Number: TXS0102 Other Parts Discussed in Thread: SN74LVC2T45, SN74AVC4T245, TXB0302, PGA460 We need a UART level-shifter than can accommodate both "VCCA ≤ VCCB" and "VCCA ≥ VCCB". Somebody know any level shifter that meets the above conditio...
It is a USB to TTL serial port module.The excellent performance of FT232RL is very suitable for high-demand industrial occasions.It realizes USB to UART serial port.This module can switch at 5V/3.3V/1.8V level,and provides up to 500mA VCC power output. ...
1.8V/3.3V/5V Baud Rate: 2400/9600/115200/921600 Power Output: 500mA VCC Features: |Usb Hack|Usb Adapter Eft|Json To Schema Converter| **Versatile Compatibility and Performance** The USB to TTL Converter is a versatile module designed to bridge the gap between USB and UART serial ports. ...
VCC应该和GND应该没有本质上的不同。那是不是可以确定一定可以通信？不一定，因为单片机内部结构有可能会...