电子工程专辑

UART、I2C、SPI、TTL、RS232、RS422、RS485、CAN、USB、SD卡、1-WIRE、Ethernet介绍

在单片机开发中，UART、I2C、RS485等普遍在用，对它们的认识可能模棱两可，本文把它们整理了一下。 UART通用异步收发器 UART口指的是一种物理接口形式(硬件)。 UART是异步，全双工串口总线。它比同步串口复杂很多。有两根线，一根TXD用于发送，一根 ...
电子工程专辑

UART、I2C、SPI、TTL、RS232、RS422、RS485、CAN、USB、SD卡、1-WIRE、Ethernet

这是我21年整理的文章，今天再发一遍。 UART、I2C、RS485……这些通信虽然都普遍在用，但解释起来也是模棱两可，觉得有必要 ...
Electronics Weekly

Electronica: Arduino makes single-pair Ethernet accessible, and RS485 too

Arduino announced a single-pair Ethernet adapter board for its Uno R4 single-board microcontroller at Electronica this morning. Microchip participated in the development – its LAN8651B1T-E/LMX single ...
EDN

ESL : Interface converter changes Ethernet to RS485, 422, 232

This RoHS compliant converter also features ESD protection circuitry on all receivers/transmitters for both RS232 and RS485/422 interfaces. The Model 4163/4164 supports typical devices such as PLC, ...