DIY Wiring Testing w/ Putty Converter COM Port RS-232 - TTL Serial MAX232EPE IC Breadboard Prototype

test with #putty #rx #tx communication prototype breadbroad wiring max232epe maxim ic schematic +5v-powered, multichannel rs-232 drivers/receivers diy Converter com serial port (10 pin IDC RS232 Motherboard header) old desktop pc RS232 interface to TTL Serial Module 3V ~ 5V Modul UART common 9-pin connector: 1 DCD : Data Carrier Detect 2 RXD : Receive Data 3 TXD : Transmit Data 4 DTR : Data Terminal Ready 5 GND : System Ground 6 DSR : Data Set Ready 7 RTS : Request to Send 8 CTS : Clear to Send 9 RI : Ring Indicator