{"product_id":"ttl-serial-port-to-rs485-converter-board-module-hardware-automatic-control-converter-module-for-arduino-microcontroller","title":"TTL Serial Port To RS485 Converter Board Module Hardware Automatic Control Converter Module For Arduino Microcontroller","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eLOTHYE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eModule\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cp style=\"margin:0pt;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;margin-right:0pt\" class=\"MsoNormal\"\u003e\u003cspan style=\"color:rgb(204, 102, 51);font-size:15pt;font-family:Calibri\"\u003eTTL to RS485 module RS485 interchange TTL signal single chip serial port UART lightning protection hardware automatic flow control\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0pt;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;margin-right:0pt\" class=\"MsoNormal\"\u003e\u003cspan style=\"color:rgb(204, 102, 51);font-size:15pt;font-family:Calibri\"\u003eThe power supply of this product is wide voltage (3.0V ~ 30V), 3.3V system and 5.0V system compatible, 3.3V and 5.0V signals can match. This product with a terminal block and silicone wire, direct wiring use, all imported original chip, powerful, lightning protection design, anti-interference ability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0pt;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;margin-right:0pt\" class=\"MsoNormal\"\u003e\u003cspan style=\"color:rgb(204, 102, 51);font-size:15pt;font-family:Calibri\"\u003eThis transmission module to achieve the TTL signal and RS485 signal interchange, but we must know, 485 is half duplex communication, this communication can achieve two-way communication, but not in both directions at the same time, must Alternately; that is, each section of the communication channel can be either a transmitting end or a receiving end, but at the same time, the information can have only one transmission direction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0pt;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;margin-right:0pt\" class=\"MsoNormal\"\u003e\u003cspan style=\"color:rgb(204, 102, 51);font-size:15pt;font-family:Calibri\"\u003eTo achieve the RS485 signal automatic flow control, send and receive direction automatically switch, use this module with your operation as simple as the serial port\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0pt;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;margin-right:0pt\" class=\"MsoNormal\"\u003e\u003cspan style=\"color:rgb(204, 102, 51);font-size:15pt;font-family:Calibri\"\u003eBaud rate: 110 ~ 256000bps\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0pt;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;margin-right:0pt\" class=\"MsoNormal\"\u003e\u003cstrong\u003e\u003cspan style=\"color:rgb(204, 102, 51);font-size:16pt;font-family:Calibri\"\u003eModule Highlights:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0pt;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;margin-right:0pt\" class=\"MsoNormal\"\u003e\u003cspan style=\"color:rgb(204, 102, 51);font-size:15pt;font-family:Calibri\"\u003e(1) wide voltage power supply (3.0V ~ 30V), the limit voltage of 33V, it is recommended to use within 30V, the minimum voltage is higher than 2.8V.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0pt;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;margin-right:0pt\" class=\"MsoNormal\"\u003e\u003cspan style=\"color:rgb(204, 102, 51);font-size:15pt;font-family:Calibri\"\u003e(2) compatible with 3.3V and 5.0V signals, can match the module\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0pt;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;margin-right:0pt\" class=\"MsoNormal\"\u003e\u003cspan style=\"color:rgb(204, 102, 51);font-size:15pt;font-family:Calibri\"\u003e(3) has a very high EMC and EMI performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0pt;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;margin-right:0pt\" class=\"MsoNormal\"\u003e\u003cspan style=\"color:rgb(204, 102, 51);font-size:15pt;font-family:Calibri\"\u003e(4) the use of imported chips, industrial design, anti-interference ability, while the use of powerful 485 lightning design, industrial and field can be used in harsh environments, the working temperature of -40 \u003c\/span\u003e\u003cspan style=\"color:rgb(204, 102, 51);font-size:15pt;font-family:宋体\"\u003e\u003cspan style=\"color:rgb(204, 102, 51);font-family:宋体\"\u003e℃\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color:rgb(204, 102, 51);font-size:15pt;font-family:Calibri\"\u003e to +85 \u003c\/span\u003e\u003cspan style=\"color:rgb(204, 102, 51);font-size:15pt;font-family:宋体\"\u003e\u003cspan style=\"color:rgb(204, 102, 51);font-family:宋体\"\u003e℃\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color:rgb(204, 102, 51);font-size:15pt;font-family:Calibri\"\u003e, transmission Distance up to kilometers (with 850 meters of 2 * 1.5 cable to do the test, it is recommended to use within 800 meters, more than 800 meters plus repeaters)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0pt;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;margin-right:0pt\" class=\"MsoNormal\"\u003e\u003cspan style=\"color:rgb(204, 102, 51);font-size:15pt;font-family:Calibri\"\u003e(5) with a terminal block and silicone wire, the use of very convenient.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0pt;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;margin-right:0pt\" class=\"MsoNormal\"\u003e\u003cspan style=\"color:rgb(204, 102, 51);font-size:15pt;font-family:Calibri\"\u003e(6) with RXD, TXD signal indicator, send and receive situation panoramic view.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0pt;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;margin-right:0pt\" class=\"MsoNormal\"\u003e\u003cspan style=\"color:rgb(204, 102, 51);font-size:15pt;font-family:Calibri\"\u003e(7) factory direct, to ensure technical support and services, but also OEM and ODM.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0pt;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;margin-right:0pt\" class=\"MsoNormal\"\u003e\u003cstrong\u003e\u003cspan style=\"color:rgb(204, 102, 51);font-size:16pt;font-family:Calibri\"\u003eModule Features:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0pt;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;margin-right:0pt\" class=\"MsoNormal\"\u003e\u003cspan style=\"color:rgb(204, 102, 51);font-size:15pt;font-family:Calibri\"\u003e(1) This module fully considered the 485 bus lightning protection design and anti-jamming design, high EMC, EMI performance, long-distance transmission in the field, the module \"access to the earth\" side access to the earth, can play well The anti-interference and lightning protection of the role of the 485 bus more secure; indoor short-distance transmission can not access the earth.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0pt;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;margin-right:0pt\" class=\"MsoNormal\"\u003e\u003cspan style=\"color:rgb(204, 102, 51);font-size:15pt;font-family:Calibri\"\u003e(2) with a standard 2.54 pitch pin, to facilitate your secondary development\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0pt;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;margin-right:0pt\" class=\"MsoNormal\"\u003e\u003cspan style=\"color:rgb(204, 102, 51);font-size:15pt;font-family:Calibri\"\u003e(3) with 120 ohm matching resistance, shorted R0 can be enabled to match the resistance, long-distance transmission recommended shorted.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0pt;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;margin-right:0pt\" class=\"MsoNormal\"\u003e\u003cspan style=\"color:rgb(204, 102, 51);font-size:15pt;font-family:Calibri\"\u003e(4) support multi-machine communication, the same network can connect at least 40 nodes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0pt;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;margin-right:0pt\" class=\"MsoNormal\"\u003e\u003cspan style=\"color:rgb(204, 102, 51);font-size:15pt;font-family:Calibri\"\u003e(5) can be hot-swappable, there will be no signal to death phenomenon.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0pt;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;margin-right:0pt\" class=\"MsoNormal\"\u003e\u003cspan style=\"color:rgb(204, 102, 51);font-size:15pt;font-family:Calibri\"\u003e(6) anti-jamming alignment and copper way to prevent interference with the signal.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cbr\u003e \u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cimg style=\"width:800px\" width=\"800px\" src=\"https:\/\/ae01.alicdn.com\/kf\/S43e871f661154f17bfed02d2918aa9ecu.jpg\" 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