{"title":"Adafruit RS232 Full Breakout with DE9-M","handle":"adafruit-rs232-full-breakout-with-de9-m-ada6253","url":"/products/adafruit-rs232-full-breakout-with-de9-m-ada6253","description":"The Adafruit RS-232 Full Breakout with DE9-M lets you interface any 3.3 V microcontroller or single-board computer with RS-232 devices using all 8 data/flow-control signals. Built around the trusted TI MAX3243, it generates the required positive and negative voltages internally and provides 5 input and 3 output channels of level shifting at up to 250 Kbps.\n\nThis version features a DE9-M (male pin) connector — check the product photos to confirm it matches the device or cable you want to connect to.\n\nKey Features\n\n\nMAX3243 Level Shifter – 8 channels (5 input, 3 output) for full RS-232 pinout including RTS, CTS, DTR, DSR, DCD, and RI\n\nDE9-M Male Connector – 9-pin D-Sub male connector for direct plug-in to RS-232 devices or cables\n\n3.3 V Power & Logic – Runs on 3.3 V, compatible with modern microcontrollers\n\nUp to 250 Kbps – Suitable for most RS-232 communication needs\n\nValid Signal Output – Logic-level output goes high when RS-232 signal voltages are detected (connection indicator)\n\nOff/Tri-State Pin – Set high to tri-state all pins for power reduction\n\nFully Assembled – UART side for low-voltage logic, DE9-M side for RS-232; headers included for breadboard use\n\n\nAlso Consider\n\n\nRS-232 Full Pinout Level-Shifter Breakout (DE9-F) – Same board with a female DE-9 connector\n\n\nIdeal For\n\nInterfacing with industrial and telco equipment\nRetro computing and legacy device communication\nBarcode scanners, modems, and serial terminals\nAny project requiring full RS-232 flow control signals\n\n\nPackage Contents\n\n1× Adafruit RS-232 Full Breakout with DE9-M (fully assembled)\n1× Header strip (soldering required for breadboard use)\n","vendor":"Adafruit","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":298,"title":"Default Title","sku":"AF-6253","mpn":"ADA6253","price":13.23,"compare_at_price":0.0,"on_sale":false,"in_stock":true,"available_quantity":70,"option1":"Default Title"}]}