{"product_id":"1-3pcs-max3232-module-rs232-to-ttl-serial-port-converter-module-female-db9-connector-max232-chip-for-arduino","title":"1\/3pcs MAX3232 Module RS232 To TTL Serial Port Converter Module Female DB9 Connector MAX232 Chip for Arduino","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eComputer\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYTDMEN\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\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSMD\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eModule\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cspan style=\"font-size:20px\"\u003e\u003cspan style=\"background-color:rgb(243, 156, 18)\"\u003e\u003cbr\u003eProduct Applications:\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003eThis converter is widely used for:\u003cbr\u003eRadio modification, Mobile phone flashing, XBOX 360 modding, GPS systems, Automotive diagnostics, DVD player reprogramming, HDD repair, Set-top box upgrades\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style=\"background-color:rgb(243, 156, 18)\"\u003eSupported Microcontrollers:\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003eSTC MCU series\u003cbr\u003eSTM32 MCU series\u003cbr\u003eNXP MCU series\u003cbr\u003eRenesas MCU series\u003cbr\u003eNEC MCU series\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style=\"background-color:rgb(243, 156, 18)\"\u003eTechnical Specifications:\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003eCommunication Chip: Domestic MAX3232 equivalent\u003cbr\u003eOperating Voltage: 3.3V-5.5V\u003cbr\u003eInterface Pins: TX, RX, VCC, GND\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style=\"background-color:rgb(243, 156, 18)\"\u003eImportant Notice:\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003eThe converter uses a domestic MAX3232 chip. Some buyers have reported compatibility issues. Please verify chip compatibility with your system before purchase to avoid errors. Thank you for your cooperation!\u003cbr\u003e\u003cbr\u003eCase 1: Incompatibility with Lenovo Laptops\u003cbr\u003eLenovo Laptop + max3232 Serial Small Board + USB-to-Serial Cable (CH340 Driver) → Failed to program stc89c52.\u003cbr\u003eLenovo Desktop + max3232 Serial Small Board + USB-to-Serial Cable (CH340 Driver) → Worked normally.\u003cbr\u003e\u003cbr\u003eReplace max3232 chip with max232 Lenovo laptop + Serial small Board (max232) + USB-to-Serial Cable (CH340 Driver) can normally download download stc89c52 .\u003cbr\u003e\u003cbr\u003eConclusion:\u003cbr\u003eThe max3232 may conflict with certain laptops when used via USB-to-serial adapters.  If encountering issues, try switching to a max232 chip.\u003cbr\u003e\u003cbr\u003eCase 2: Voltage Sensitivity with Samsung 2440 Dev Board\u003cbr\u003e\u003cbr\u003eSamsung 2440 Dev Board +Serial small Board max3232 (3.3V) → Unstable communication.\u003cbr\u003e\u003cbr\u003eFix: Increased voltage to 3.8V → work properly.\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"font-size:20px\"\u003e\u003cspan style=\"background-color:rgb(243, 156, 18)\"\u003eGeneral Advice:\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003eConfirm your device’s voltage requirements and chip compatibility before purchase.\u003cbr\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S51177c7d8e4549fca2c050078d2d256e0.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S15dc0d9e68b94597a198db40f3788660v.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S16fdadb22846469db8a8ec55fa958921s.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Saefec308defa454b9740a0e417fcc84ba.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S7e44a473818d4f8f8004e60e200a02d7Q.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S21454d47057b48cfad204e530ec4c368V.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cbr\u003e","brand":"Yoeruyo","offers":[{"title":"1PCS","offer_id":55514211647787,"sku":"3:201010228#1PCS","price":7.24,"currency_code":"USD","in_stock":true},{"title":"3PCS","offer_id":55514211680555,"sku":"3:202097014#3PCS","price":13.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/Sca9e7f7fc3b24bfdb7cb3ebe0cd567aaz.webp?v=1789009954","url":"https:\/\/yoeruyo.com\/products\/1-3pcs-max3232-module-rs232-to-ttl-serial-port-converter-module-female-db9-connector-max232-chip-for-arduino","provider":"Yoeruyo","version":"1.0","type":"link"}