{"title":"SERIAL \u0026 COMMUNICATION","description":"\u003cp\u003eBrowse USB-to-serial adapters, RS232, RS485 and TTL converters, serial cables and DB9 connectors and accessories.\u003c\/p\u003e","products":[{"product_id":"keyestudio-rs232-to-ttl-conversion-shield-compatible-with-arduino","title":"KEYESTUDIO RS232 to TTL Conversion Shield Compatible with Arduino","description":"\u003cp\u003eThe RS232 to TTL conversion shield is specially designed for UNO R3 control board, very convenient to change the serial port into RS232 interface.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe shield comes with a DB9 connector (male head), easy to connect various RS232 interface equipment. It also comes with a RS232 pin header for connection and debugging.\u003cbr\u003eIt even comes with soldering area for DIY design, so you can make full use of this shield. On the shield there is a programming mode control switch; turn OFF for burning the program to UNO R3; turn ON for normal use.\u003c\/p\u003e\n\u003ch3\u003eTechnical Details\u003c\/h3\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003ePower supply: DC 5V\u003c\/li\u003e\n\u003cli\u003eComes with 16 digital IO pins（with an I2C pin）\u003c\/li\u003e\n\u003cli\u003eComes with 6 analog IO and power\u003c\/li\u003e\n\u003cli\u003eComes with a run\/programming switch\u003c\/li\u003e\n\u003cli\u003eComes with transmitting, receiving indicator and D13 indicator\u003c\/li\u003e\n\u003cli\u003eDB9 connector（male head）、RS232 pin headers\u003c\/li\u003e\n\u003cli\u003eSoldering areas\u003c\/li\u003e\n\u003cli\u003eComes with a Reset button\u003c\/li\u003e\n\u003cli\u003eDimensions: 60*53.4MM\u003c\/li\u003e\n\u003cli\u003eEnvironmental properties: ROHS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"KEYESTUDIO","offers":[{"title":"Default Title","offer_id":30294315008062,"sku":"KS0406","price":112.59,"currency_code":"NAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0108\/4928\/8254\/products\/keyestudio_RS232_to_TTL_Conversion_Shield_Compatible_with_Arduino_01.png?v=1570007315"},{"product_id":"rs232-to-ttl-serial-port-converter-module","title":"RS232 to TTL Serial Port Converter Module","description":"\u003cp\u003eMAX3232 RS232 to TTL Serial Port Converter Module DB9 Connector MAX232 For Arduino\u003c\/p\u003e\n\u003cp\u003eOperating Voltage 3.3V-5V\u003c\/p\u003e","brand":"Lafvin","offers":[{"title":"Default Title","offer_id":30907573370942,"sku":"C168","price":43.47,"currency_code":"NAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0108\/4928\/8254\/products\/RS232_to_TTL_Serial_Module_1.png?v=1571602662"},{"product_id":"mas485-ttl-to-rs485-converter-module","title":"MAX485 TTL to RS485 Converter Module","description":"\u003cdiv\u003eMAX485 TTL to RS485 Converter Module\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eConverts between RS485 and TTL\u003c\/li\u003e\n\u003cli\u003e5V working voltage\u003c\/li\u003e\n\u003cli\u003eFit for Arduino\u003c\/li\u003e\n\u003cli\u003eVideo to get started:\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.youtube.com\/watch?v=HPZrGuBtk_c\"\u003ehttps:\/\/www.youtube.com\/watch?v=HPZrGuBtk_c\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e","brand":"Lafvin","offers":[{"title":"Default Title","offer_id":30954044686398,"sku":"C222","price":9.21,"currency_code":"NAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0108\/4928\/8254\/products\/MAX485_TTL_to_RS485_Converter_1.png?v=1571773668"},{"product_id":"db9-male-connector-for-rs232-rs422-rs485","title":"LCSC DB9 Male Connector","description":"\u003cp\u003eThis is quality DB9 Male Connector that with solder tail package.  DB9 connector is widely used for serial communication RS232, RS485 and RS422 interface. \u003c\/p\u003e\n\u003cdiv\u003eRS-232 Maximum Cable Length\u003cbr\u003eThe maximum cable length for RS-232 is 50ft, but in practise depends on baud rate, cable specific capacitance and ambient noise.\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e","brand":"LCSC","offers":[{"title":"Default Title","offer_id":31051668095038,"sku":"LC163\/C75746","price":16.1,"currency_code":"NAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0108\/4928\/8254\/products\/DB9_Male_Connector_For_RS232_RS422_RS485_01.png?v=1572338822"},{"product_id":"db9-female-connector-for-rs232-rs422-rs485","title":"DFROBOT DB9 Female Connector","description":"\u003cp\u003eThis is quality DB9 female Connector that with solder tail package.  DB9 connector is widely used for serial communication RS232, RS485 and RS422 interface.\u003c\/p\u003e\n\u003cdiv\u003eThe maximum cable length for RS-232 is 50ft, but in practise depends on baud rate, cable specific capacitance and ambient noise.  \u003c\/div\u003e","brand":"DFRobot","offers":[{"title":"Default Title","offer_id":31051720556606,"sku":"FIT0109","price":11.75,"currency_code":"NAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0108\/4928\/8254\/products\/DB9_Female_Connector_For_RS232_RS422_RS485_01.png?v=1572339399"},{"product_id":"usb-to-rs422-rs485-cable","title":"DFROBOT USB to RS422\/RS485 Cable","description":"\u003cp\u003eThe USB 2.0 to RS422\/RS485 Cable provides a simple and easy to connect between the USB and RS422\/RS485 ports interface. Ideally for PC, thin client or servers to provide instant RS422\/RS485 ports expansion via USB ports.  \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eUSB to RS422\/RS485 industrial intelligent converter, no power supply needed, plug-and-play\u003cbr\u003eUSB485 is a kind of USB to RS485\/422 industrial intelligent converter. It is the best solution for the communication between USB and RS422\/RS485. Compared with RS232 to RS422\/RS485 converter, USB to RS422\/RS485 converter has many advantages.\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eSpecification \u003c\/h3\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eStandards: Compliant with USB 2.0,downward compatibility, and standard RS422,RS485\u003c\/li\u003e\n\u003cli\u003eDirectional control: Using data flow automatic control technology, automatic control and data transmission criterion\u003c\/li\u003e\n\u003cli\u003eBand Rate:300-921600bps,automatically detects serial signal rate\u003c\/li\u003e\n\u003cli\u003eload capacity: support to more each converter allows connecting 32 RS422 interface RS485 or equipment\u003c\/li\u003e\n\u003cli\u003eInterface Protection:600W surge protection,±15KV Esd protection\u003c\/li\u003e\n\u003cli\u003eSupport Windows98\/ME\/2000\/XP\/Vista\/7,Linux,MAC,Wince\u003c\/li\u003e\n\u003cli\u003eSupport CCTV camera, video  collector, fingerprint attendance, Program-controlled switch, numerical control machine, SCM which have RS422\/RS485 interface\u003c\/li\u003e\n\u003cli\u003eCE\/FCC certification\u003c\/li\u003e\n\u003cli\u003eCable Length:1.2m \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"DFRobot","offers":[{"title":"Default Title","offer_id":31052051447870,"sku":"FIT0272","price":836.93,"currency_code":"NAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0108\/4928\/8254\/files\/DFROBOTUSBtoRS422_RS485Cable.jpg?v=1733325247"},{"product_id":"usb-to-esp-01s-wifi-module-serial-port-for-arduino-esp8266-compatible","title":"KEYESTUDIO USB to ESP-01S Wifi Module Serial Port for Arduino. ESP8266 compatible","description":"\u003cspan style=\"font-size: 0.875rem;\"\u003eThis is an expansion board for the ESP-01S WiFi module, though it can be used with other ESP modules as well. The module has a USB to Serial(TTL) CH340G chip onboard. The board allows for debugging and programming from your PC.\u003c\/span\u003e\u003cbr\u003e\n\u003cp\u003eThe board has a built in switch to allow switching between download your code and flashing the firmware of the ESP8266.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWorking Voltage: 5Vdc\u003c\/li\u003e\n\u003cli\u003eWorking current: 500mA\u003c\/li\u003e\n\u003cli\u003eCommunication Voltage: 3Vdc\u003c\/li\u003e\n\u003cli\u003eDimensions: 55x18x12mm\u003c\/li\u003e\n\u003cli\u003eWeight: 5.6g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDocuments\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/learn.sparkfun.com\/tutorials\/how-to-install-ch340-drivers\/all\" title=\"How to Install CH340 Drivers from Sparkfun\" target=\"_blank\"\u003eDriver Installation Guide\u003c\/a\u003e Provided by Sparkfun \u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/wiki.keyestudio.com\/KS0388_Keyestudio_USB_to_ESP-01S_Wifi_Module_Serial_Port_Shield\" title=\"Keyestudio ESP01 Serial Board to USB Wiki\"\u003eWiki\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KEYESTUDIO","offers":[{"title":"Default Title","offer_id":31764153827390,"sku":"KS0388","price":89.24,"currency_code":"NAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0108\/4928\/8254\/products\/ESP8266WiFiModuleProgrammer01.jpg?v=1587507732"},{"product_id":"usb-to-ttl-converter-with-ch340g","title":"USB to TTL Converter with CH340G","description":"\u003cp\u003eThe TTL to USB Converter supports both 3.3V and 5V allowing interfacing with both 3.3 and 5V MCU's respectively. \u003c\/p\u003e\n\u003cp\u003eThe CH340G USB interface is a standard chipset used on Arduino and supported by Windows 10. \u003c\/p\u003e\n\u003cp\u003eThe converter has LED's for power, TX and RX making it easy to do debugging. \u003c\/p\u003e","brand":"Lafvin","offers":[{"title":"Default Title","offer_id":32332735184958,"sku":"C274","price":38.0,"currency_code":"NAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0108\/4928\/8254\/products\/USBToTTLCH340Chip01.jpg?v=1597156538"},{"product_id":"xfcn-p-sub-db9p-5-0","title":"LCSC DB9 Connector Cover","description":"\u003cp\u003eDB9 Connector Cover\u003c\/p\u003e\n\u003ch3\u003eDocuments\u003cbr\u003e\n\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca title=\"XFCN P-SUB-DB9P-5.0\" href=\"https:\/\/lcsc.com\/product-detail\/Connectors-Housings_XFCN-P-SUB-DB9P-5-0_C529320.html\" target=\"_blank\"\u003eDatasheet\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"LCSC","offers":[{"title":"Default Title","offer_id":37758398038193,"sku":"LC159\/C529320","price":17.58,"currency_code":"NAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0108\/4928\/8254\/products\/XFCNP-SUB-DB9P-5.0.png?v=1608197946"},{"product_id":"ftdi-friend-extras-v1-0","title":"ADAFRUIT FTDI Friend v1.0","description":"\u003cp\u003eThe FTDI Friend is a tweaked out FTDI FT232RL chip adapter. Sure, like the well-known FTDI cable, it can provide power to your project and there are 4 signal lines for sending data back and forth. But the Friend can do much more! For example, you can change the signal and power lines to be either 3.3V or 5V. Arduino-derivatives and XBees use the RTS line for programming but what if you need that DTR line? It's there for you.\u003c\/p\u003e\n\u003cp\u003eBy default, Adafruit sets it up so that it matches standard FTDI cables. The 6th pin is RTS (as of Arduino IDE v18 this will work perfectly for uploading to unos), the power wire is +5V and the signal levels are 3.3V (they are 5V compliant, and should work in the vast majority of 3.3V and 5V signal systems).\u003c\/p\u003e\n\u003cp\u003eThere are also 2 red \u0026amp; green LEDs\u003cspan\u003e \u003c\/span\u003ealready on the board\u003cspan\u003e \u003c\/span\u003ethat pulse when serial is sent or received. The USB port on the breakout is a Mini-B type, by the way.\u003c\/p\u003e\n\u003cp\u003e\u003ca title=\"Adafruit tutorial on the FTDI Friend Module\" href=\"https:\/\/learn.adafruit.com\/ftdi-friend\" target=\"_blank\"\u003eAdafruit has a full tutorial page about the FTDI friend\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eand you can peruse the\u003cspan\u003e \u003c\/span\u003e\u003ca title=\"FTDI Cable Datasheet\" href=\"https:\/\/www.adafruit.com\/datasheets\/DS_TTL-232R_CABLES_V201.pdf\" target=\"_blank\"\u003eFTDI cable datasheet\u003c\/a\u003e,\u003cspan\u003e \u003c\/span\u003e\u003ca title=\"FT232R Chip Datasheet\" href=\"https:\/\/www.adafruit.com\/datasheets\/DS_FT232R.pdf\" target=\"_blank\"\u003eFTDI FT232RL chip datasheet\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eor the\u003cspan\u003e \u003c\/span\u003e\u003ca title=\"FTDI Friend Schematic Files\" href=\"http:\/\/github.com\/adafruit\/FTDI-Friend\" target=\"_blank\"\u003eschematic\/layout files at GitHub\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLength: 38.07mm\u003c\/li\u003e\n\u003cli\u003eWidth: 17.89mm\u003c\/li\u003e\n\u003cli\u003eHeight: 7.7mm\u003c\/li\u003e\n\u003cli\u003eWeight: 3.4g\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Adafruit","offers":[{"title":"Default Title","offer_id":39348179370161,"sku":"284","price":361.43,"currency_code":"NAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0108\/4928\/8254\/files\/284-03.jpg?v=1750146131"},{"product_id":"hl-340-usb-to-serial-rs232-cable","title":"HL-340 USB to Serial RS232 Cable","description":"\u003cp\u003e This cable is used to connect serial devices with a DB9 connector to the USB port of your PC or laptop.\u003c\/p\u003e","brand":"Lafvin","offers":[{"title":"Default Title","offer_id":42100627177709,"sku":"E270","price":40.0,"currency_code":"NAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0108\/4928\/8254\/products\/312RGsFf1IL.jpg?v=1637214518"},{"product_id":"mini-gender-changer-db9","title":"Mini Gender Changer DB9","description":"Use this DB9 gender changer to change your DB9 plug from male to female or from female to male.","brand":"Lafvin","offers":[{"title":"Default Title","offer_id":42100644348141,"sku":"LF067","price":26.9,"currency_code":"NAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0108\/4928\/8254\/products\/12-200-505-03.jpg?v=1637215365"},{"product_id":"usb-to-rs485-serial-cable","title":"DFROBOT USB to RS485 Serial Cable","description":"\u003cp\u003eRS485 serial ports are often used to enable communication between PC and RS485 devices.\u003c\/p\u003e\n\u003cp\u003eThis USB to RS485 serial cable with built-in a CH340 bus converter chip allows direct communication between PC and 485 device without extra wire connection. The converter works well with WindowsXP\/Vista\/7\/8\/10 system and has high stability and strong anti-interference. It provides instant connectivity to RS485 communication devices for industrial automation and instrumentation, as well as other devices like industrial sensors and home appliances with centralized control.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProvides instant connectivity to RS485 communication devices\u003c\/li\u003e\n\u003cli\u003eHigh stability\u003c\/li\u003e\n\u003cli\u003eStrong anti-interference\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIndustrial sensors\u003c\/li\u003e\n\u003cli\u003eHome appliances\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eChip: CH340\u003c\/li\u003e\n\u003cli\u003ePower Supply: 5V\u003c\/li\u003e\n\u003cli\u003eLength: 1m\u003c\/li\u003e\n\u003cli\u003eInterface Specification: red: VCC, black: GND, green: 485-A, white: 485-B\u003c\/li\u003e\n\u003cli\u003eSupport System: Windows XP\/Vista\/7\/8\/1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eColors: Black\/White\u003c\/p\u003e","brand":"DFRobot","offers":[{"title":"Default Title","offer_id":42658593702125,"sku":"FIT0874","price":154.6,"currency_code":"NAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0108\/4928\/8254\/products\/USBtoRS485SerialCable01.png?v=1649326191"},{"product_id":"adafruit-cp2102n-friend-usb-to-serial-converter","title":"ADAFRUIT CP2102N Friend - USB to Serial Converter","description":"\u003cp data-mce-fragment=\"1\"\u003eLong gone are the days of parallel ports and serial ports. Now the USB port reigns supreme! But USB is hard, and you just want to transfer your every-day serial data from a microcontroller to computer. What now? Enter the\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cstrong data-mce-fragment=\"1\"\u003eAdafruit CP2102N Friend\u003c\/strong\u003e!\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe CP2102N is\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003cem data-mce-fragment=\"1\"\u003every similar\u003c\/em\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003eto\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.adafruit.com\/product\/3309\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/www.adafruit.com\/product\/3309\"\u003ethe CP2104\u003c\/a\u003e. Despite having a name with a lower number, its actually considered the successor\/next generation to the CP2104. Compared to the CP2104, the CP2102N can:\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eTransfer data at a faster rate: CP2104 is 2Mbps max, the CP2102N is 3Mbps max\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eReprogram the internal settings: CP2104 has a one-time-programmable memory and the CP2102N has reprogrammable settings memory. 99% of people don't use this capability but it is there if you need it.\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\u003cspan class=\"test-id__field-value slds-form-element__static slds-grow  is-read-only\" data-aura-rendered-by=\"20:436;a\" data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eThe CP2102\u003cstrong data-mce-fragment=\"1\"\u003eN\u003c\/strong\u003e improves over the CP2012 (no N) by having the same RS-485 and GPIO support that the CP2104 has\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003ca href=\"https:\/\/www.silabs.com\/documents\/public\/application-notes\/an976-cp2102-3-4-9-to-cp2102n-porting-guide.pdf\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/www.silabs.com\/documents\/public\/application-notes\/an976-cp2102-3-4-9-to-cp2102n-porting-guide.pdf\"\u003eMore details in the SiLabs CP2104 to CP2102N migration guide\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-mce-fragment=\"1\"\u003eWe've also updated this breakout\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.adafruit.com\/product\/3309\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/www.adafruit.com\/product\/3309\"\u003efrom our CP2104 Friend\u003c\/a\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003eso that it has USB C instead of Micro B. It is otherwise 'drop in compatible' and anywhere you would use the CP2104 for uploading firmware to microcontrollers, it'll work exactly the same.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThis is a high-quality CP2102N USB-Serial chip that can upload code at a blistering 3Mbit\/s for fast development time. It also has auto-reset for Arduino\/ATmega328 boards so no noodling with pins and reset button pressings. The CP2102N has better driver support than the CH340 and can do very high speeds, and variable speeds without stability issues. Compared to the FT232RL and FT231X, the CP2102N has the same capabilities or better, at a great price! It even has the RX\/TX LEDs to help you debug your data, they'll blink when the chip receives\/transmits data.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eBy default, we've set it up so that it matches our FTDI cables. The 6th pin is RTS, the power wire is +5V and the signal levels are 3.3V (they are 5V compliant, and should work in the vast majority of 3.3V and 5V signal systems). Works excellently with any Arduino, ESP8266, ESP32 or any other microcontroller that uses an 'FTDI port' for communications and upload. You can also purchase a\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.adafruit.com\/products\/206\" data-mce-fragment=\"1\" data-mce-href=\"https:\/\/www.adafruit.com\/products\/206\"\u003e6-pin extension cable\u003c\/a\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003efrom us, which will let you rearrange the wire order.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThere's also a full collection of all the modem control pins you may need on the side, in case you need the DTR, RI, DSR, etc. pins.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eEach order comes with a fully assembled and tested board. We give you a right-angle socket header and some male header strip. You can solder in the socket header on the edge to make it 'FTDI-like' or solder the male headers in to plug it into a breadboard and get access to all the pins.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eFor Linux you won't need a driver. For Windows, it will automatically grab the driver from Windows Update. For Mac OS X\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003ca href=\"http:\/\/www.silabs.com\/products\/mcu\/pages\/usbtouartbridgevcpdrivers.aspx\" data-mce-fragment=\"1\" data-mce-href=\"http:\/\/www.silabs.com\/products\/mcu\/pages\/usbtouartbridgevcpdrivers.aspx\"\u003eyou can check out SiLabs driver page for the latest and greatest\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eTechnical Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProduct Dimensions: 30.0mm x 18.0mm x 5.0mm \/ 1.2\" x 0.7\" x 0.2\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDocuments\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.silabs.com\/developers\/usb-to-uart-bridge-vcp-drivers\"\u003eCP210x USB to UART Bridge VCP Drivers\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"http:\/\/www.silabs.com\/Support%20Documents\/TechnicalDocs\/an197.pdf\"\u003eSerial Communications Guide For The CP210x\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.silabs.com\/interface\/usb-bridges\/usbxpress\"\u003eMore Tech Specs!\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Adafruit","offers":[{"title":"Default Title","offer_id":43000295850221,"sku":"5335","price":162.98,"currency_code":"NAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0108\/4928\/8254\/products\/AdafruitCP2102NFriend-USBtoSerialConverter01.png?v=1657716801"},{"product_id":"6-in-1-usb-to-serial-converter","title":"DFROBOT 6-in-1 USB to Serial Converter","description":"\u003cp\u003eAre you troubled by the various level standards and voltages of the serial port? This 6-in-1 USB to Serial Converter is just right for you. Check it out!\u003c\/p\u003e\n\u003cp\u003eOne module has six functions. This 6-in-1 multifunctional serial converter supports USB-TTL, USB-232, USB-485, TTL-232, TTL-485, and 232-485 converting functions and is 3.3V\/5V compatible. It works well with mainstream operating systems such as Windows and Linux. There is a 500mA fuse protection circuit integrated on the module for protecting the device against damage caused by short-circuit or over-current. The on-board indicator light indicates the working status of the device: USB is selected for the COM port (Yellow light) On, data receiving RX (Red light) Flashes, data transmitting TX (Green light) Flashes.\u003c\/p\u003e\n\u003ctable cellspacing=\"0\" cellpadding=\"0\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"72\" height=\"57\"\u003e\u003cstrong\u003eMode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"72\" class=\"xl65\"\u003e\n\u003cdiv\u003e\u003cstrong\u003eDial switch\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003e1(USB)\u003c\/strong\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd width=\"72\" class=\"xl65\"\u003e\n\u003cdiv\u003e\u003cstrong\u003eDial switch\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003e1(485)\u003c\/strong\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd width=\"140\"\u003e\u003cstrong\u003eSwitch S1\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"72\"\u003e\u003cstrong\u003eDiagram\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd height=\"19\"\u003eUSB to TTL\u003c\/td\u003e\n\u003ctd\u003eOn\u003c\/td\u003e\n\u003ctd\u003eOff\u003c\/td\u003e\n\u003ctd\u003eDown(232-485)\u003c\/td\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/image.dfrobot.com\/image\/data\/FIT0781\/Diagram1.png\" title=\"Diagram\" alt=\"Diagram\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd height=\"19\"\u003eUSB to 232\u003c\/td\u003e\n\u003ctd\u003eOn\u003c\/td\u003e\n\u003ctd\u003eOff\u003c\/td\u003e\n\u003ctd\u003eUP(232-TTL)\u003c\/td\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/image.dfrobot.com\/image\/data\/FIT0781\/Diagram2.png\" title=\"Diagram\" alt=\"Diagram\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd height=\"19\"\u003eUSB to 485\u003c\/td\u003e\n\u003ctd\u003eOn\u003c\/td\u003e\n\u003ctd\u003eOn\u003c\/td\u003e\n\u003ctd\u003eDown(232-485)\u003c\/td\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/image.dfrobot.com\/image\/data\/FIT0781\/Diagram3.png\" title=\"Diagram\" alt=\"Diagram\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd height=\"19\"\u003eUSB to 232\u003c\/td\u003e\n\u003ctd\u003eOff\u003c\/td\u003e\n\u003ctd\u003eOff\u003c\/td\u003e\n\u003ctd\u003eDown(232-485)\u003c\/td\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/image.dfrobot.com\/image\/data\/FIT0781\/Diagram4.png\" title=\"Diagram\" alt=\"Diagram\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd height=\"19\"\u003eTTL to 485\u003c\/td\u003e\n\u003ctd\u003eOff\u003c\/td\u003e\n\u003ctd\u003eOn\u003c\/td\u003e\n\u003ctd\u003eDown(232-485)\u003c\/td\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/image.dfrobot.com\/image\/data\/FIT0781\/Diagram5.png\" title=\"Diagram\" alt=\"Diagram\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd height=\"19\"\u003e232 to 485\u003c\/td\u003e\n\u003ctd\u003eOff\u003c\/td\u003e\n\u003ctd\u003eOn\u003c\/td\u003e\n\u003ctd\u003eDown(232-485)\u003c\/td\u003e\n\u003ctd\u003e\u003cimg src=\"https:\/\/image.dfrobot.com\/image\/data\/FIT0781\/Diagram6.png\" title=\"Diagram\" alt=\"Diagram\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe module is small and stable. It adopts reliable patch dial switches, a life span of 100,000 times flicks, thus ensuring stable switching of working modes. The module can be widely used in serial communication occasions from USB to other interfaces.\u003c\/p\u003e\n\u003ch3\u003eSpecification\u003c\/h3\u003e\n\u003cdiv class=\"desCon\"\u003eChip: CP2012Compatible with 3.3V\/5V voltage input and outputSupport USB-TTL, USB-232, USB-485, TTL-232, TTL-485, 232-485 six serial conversionBaud Rate: up to 2MbpsOver-current and short circuit protectionOn-board indicator light indicates working statusSupport Win8, Win7, WinXp, Win2K, WinCE, Linux, Mac systemSize: 3.1cm x 1.8cm \/ 1.22 x 0.71 inch\u003c\/div\u003e","brand":"DFRobot","offers":[{"title":"Default Title","offer_id":44066295709933,"sku":"FIT0781","price":326.68,"currency_code":"NAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0108\/4928\/8254\/products\/FIT0781.jpg?v=1681981312"},{"product_id":"dfrobot-rainbowlink-4-channel-usb-to-serial-converter-rs485-rs232-ttl","title":"DFROBOT RainbowLink 4 Channel USB to Serial Converter (RS485 \/ RS232 \/ TTL)","description":"\u003cp\u003eThe \u003cstrong\u003eDFRobot Rainbow Link is a versatile 4-channel USB to serial converter\u003c\/strong\u003e that supports RS485, RS232, and TTL interfaces in one compact module. Designed for industrial, embedded, and IoT applications, it allows seamless communication between your PC and a wide range of serial devices. Featuring built-in protection, high-speed data transmission, and flexible switching between protocols, Rainbow Link is ideal for developers, system integrators, and engineers working with multi-protocol environments.\u003c\/p\u003e\n\u003cp\u003eWhether you're debugging, programming, or connecting various hardware systems, this plug-and-play converter simplifies serial communication with powerful functionality and rock-solid reliability.\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv class=\"content Introduction\" id=\"Introduction\"\u003e\n\u003cdiv\u003e\n\u003cp\u003eWith simultaneous 12V, 5V, and 3.3V power outputs, Rainbow Link eliminates the need for multiple converters and external power supplies, making it ideal for testing and development across diverse industrial, agricultural, and laboratory environments.\u003c\/p\u003e\n\u003cp\u003e\u003cimg title=\"RainbowLink USB protocol converter offers all-in-one convenience\" alt=\"RainbowLink USB protocol converter offers all-in-one convenience\" src=\"https:\/\/dfimg.dfrobot.com\/enshop\/image\/data\/TEL0185\/allinone-1_0x0.jpg.webp\"\u003e\u003c\/p\u003e\n\u003ch3\u003eQuick-Connect Lever Terminals for Easy Wiring\u003c\/h3\u003e\n\u003cp\u003eRainbow Link features lever-type quick-connect terminals, allowing for rapid, reliable wiring without the need for tools or connectors. This innovative design supports over 2000 connect-disconnect cycles and fits both pin headers and sockets, ensuring maximum flexibility. The result is a clean, organized setup that reduces preparation time and minimizes the risk of loose connections, essential for reliable test environments.\u003c\/p\u003e\n\u003cp\u003e\u003cimg title=\"Quick-Connect Lever Terminals for Easy Wiring USB protocol converter\" alt=\"Quick-Connect Lever Terminals for Easy Wiring USB protocol converter\" src=\"https:\/\/dfimg.dfrobot.com\/enshop\/image\/data\/TEL0185\/wiring_0x0.jpg.webp\"\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003ch3\u003e4 Independent Channels in 1 Device\u003c\/h3\u003e\n\u003cp\u003eRainbow Link combines four isolated communication channels—1×RS485, 1×RS232, and 2×TTL—within a single device. This setup allows engineers to replace multiple converters, streamlining configurations and reducing clutter on workstations. Each channel operates independently, enabling simultaneous monitoring and control of multiple serial devices, greatly simplifying complex multi-protocol setups.\u003c\/p\u003e\n\u003cp\u003e\u003cimg title=\"Four Independent Channels (RS485 \/ RS232 \/ TTL) in One Device\" alt=\"Four Independent Channels (RS485 \/ RS232 \/ TTL) in One Device\" src=\"https:\/\/dfimg.dfrobot.com\/enshop\/image\/data\/TEL0185\/4channel_0x0.jpg.webp\"\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003ch3\u003eFlexible Power Output Options\u003c\/h3\u003e\n\u003cp\u003eSupporting a range of testing needs, Rainbow Link provides three voltage outputs: 12V (800mA), 5V (2A), and 3.3V (200mA). This versatile power solution ensures compatibility with various sensors and devices, especially in field testing where power sources are limited. With Rainbow Link, external power supplies are no longer necessary, allowing for quick and convenient sensor testing even in remote or outdoor environments.\u003c\/p\u003e\n\u003cp\u003e\u003cimg title=\"RainbowLink provides three voltage outputs: 12V (800mA), 5V (2A), and 3.3V (200mA)\" alt=\"RainbowLink provides three voltage outputs: 12V (800mA), 5V (2A), and 3.3V (200mA)\" src=\"https:\/\/dfimg.dfrobot.com\/enshop\/image\/data\/TEL0185\/VoltageOutput-1_0x0.jpg.webp\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"content Applications\" id=\"Applications\"\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cdiv\u003eIndustrial Sensor Testing and Debugging, Multi-Protocol Device Debugging, Laboratory and Development Board Debugging\n\u003cp\u003e\u003cimg title=\"Wiring RS485 soil sensor and RainbowLink Converter to Detect Soil Moisture\" alt=\"Wiring RS485 soil sensor and RainbowLink Converter to Detect Soil Moisture\" src=\"https:\/\/dfimg.dfrobot.com\/enshop\/image\/data\/TEL0185\/applications_0x0.jpg.webp\"\u003e\u003c\/p\u003e\n\u003cp\u003eFigure: Wiring RS485 soil sensor and Rainbow Link Converter to Detect Soil Moisture\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"content Specification\" id=\"Specification\"\u003e\n\u003ch3\u003eSpecification\u003c\/h3\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eUSB Interface: Type-C\u003c\/li\u003e\n\u003cli\u003eInput Voltage: 5V\u003c\/li\u003e\n\u003cli\u003eBaud Rate: 2400 - 128,000 bps\u003c\/li\u003e\n\u003cli\u003eTTL Level: 3.3V\u003c\/li\u003e\n\u003cli\u003eTTL Channels: 2\u003c\/li\u003e\n\u003cli\u003eRS485 Channel: 1\u003c\/li\u003e\n\u003cli\u003eRS232 Channel: 1\u003c\/li\u003e\n\u003cli\u003eOutput Voltage:\u003c\/li\u003e\n\u003c\/ul\u003e\n             \u003cstrong\u003e3.3V:\u003c\/strong\u003e Rated current 200mA\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e             \u003cstrong\u003e 5V\u003c\/strong\u003e: Directly connected to the Type-C interface (Max 2A when connected to a Type-C port on a computer; Max 500mA when connected to a USB-A port)\u003c\/div\u003e\n\u003cdiv\u003e            \u003cstrong\u003e 12V: \u003c\/strong\u003eRated current 800mA\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eCompatibility: Supports Windows and Linux; compatible with LattePanda and Raspberry Pi.\u003c\/li\u003e\n\u003cli\u003eDriver Requirements: Driver-free for basic functionality; installing drivers enhances performance with unique device identifiers.\u003c\/li\u003e\n\u003cli\u003eDimensions: 72mm x 47mm x 23mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"DFRobot","offers":[{"title":"Default Title","offer_id":48010182623469,"sku":"TEL0185","price":371.4,"currency_code":"NAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0108\/4928\/8254\/files\/TEL0185_Detail_05.jpg?v=1745588133"},{"product_id":"adafruit-usb-to-multi-protocol-serial-cable-rs-232-ttl-uart-rs-485","title":"ADAFRUIT USB to Multi-Protocol Serial Cable - RS-232\/TTL UART\/RS-485","description":"\u003cp\u003eAdd versatile serial connectivity to your projects with the Adafruit USB to Multi-Protocol Serial Cable. Designed for flexibility and ease of use, this all-in-one cable allows your computer to communicate with devices over RS-232, TTL UART, or RS-485, making it an essential tool for debugging, testing, and programming embedded systems.\u003c\/p\u003e\n\u003cp\u003eWith built-in level shifting and clear labeling, the cable is plug-and-play with most operating systems, giving you reliable data transfer without the hassle of extra adapters or converters.\u003c\/p\u003e\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMulti-Protocol Support: Works with RS-232, TTL UART (3.3V\/5V), and RS-485 devices\u003c\/li\u003e\n\u003cli\u003eUSB Interface: Easily connects to laptops, desktops, and single-board computers\u003c\/li\u003e\n\u003cli\u003ePlug-and-Play: No external power or complex setup required\u003c\/li\u003e\n\u003cli\u003eVersatile Applications: Ideal for industrial equipment, embedded systems, routers, IoT devices, and debugging\u003c\/li\u003e\n\u003cli\u003eDurable Build: Quality construction for stable, long-term use\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Adafruit","offers":[{"title":"Default Title","offer_id":48679667335405,"sku":"5994","price":862.3,"currency_code":"NAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0108\/4928\/8254\/files\/ADAFRUITUSBtoMulti-ProtocolSerialCable.jpg?v=1758787211"},{"product_id":"dfrobot-db9-male-connector","title":"DFROBOT DB9 Male Connector","description":"\u003cp\u003e\u003cspan\u003eThis is quality DB9 Male Connector that with solder tail package. DB9 connector is widely used for serial communication RS232, RS485 and RS422 interface.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eRS-232 Maximum Cable Length\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe maximum cable length for RS-232 is 50ft, but in practise depends on baud rate, cable specific capacitance and ambient noise. The table below contains some rules-of-thumb from experiments done by Texas Instruments years ago.\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable border=\"1\" width=\"300px\" style=\"height: 78.3752px; width: 560px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"height: 19.5938px; width: 131.719px;\"\u003eBaud rate\u003c\/th\u003e\n\u003cth style=\"height: 19.5938px; width: 412.281px;\"\u003eMaximum range \/ cable length\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px; width: 131.719px;\"\u003e19200\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px; width: 412.281px;\"\u003e50ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px; width: 131.719px;\"\u003e9600\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px; width: 412.281px;\"\u003e500ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px; width: 131.719px;\"\u003e4800\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px; width: 412.281px;\"\u003e1000ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"DFRobot","offers":[{"title":"Default Title","offer_id":49448361492717,"sku":"FIT0108","price":10.44,"currency_code":"NAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0108\/4928\/8254\/files\/DFROBOTDB9MaleConnector_3d1cb73d-f0cc-4835-b404-33d7c2728d85.png?v=1773842541"}],"url":"https:\/\/www.ecorobotics.com.na\/collections\/serial-communication.oembed","provider":"EcoRobotics","version":"1.0","type":"link"}