![arduino - Problems with homemade RS232-to-TTL converter board based on TI's MAX232 - Electrical Engineering Stack Exchange arduino - Problems with homemade RS232-to-TTL converter board based on TI's MAX232 - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/Yxlfu.jpg)
arduino - Problems with homemade RS232-to-TTL converter board based on TI's MAX232 - Electrical Engineering Stack Exchange
![FTDI Serial TTL-232 USB Type C Cable - 3V Power and Logic : ID 4331 : $19.95 : Adafruit Industries, Unique & fun DIY electronics and kits FTDI Serial TTL-232 USB Type C Cable - 3V Power and Logic : ID 4331 : $19.95 : Adafruit Industries, Unique & fun DIY electronics and kits](http://www.adafruit.com/images/480x360/4331-01.jpg)
FTDI Serial TTL-232 USB Type C Cable - 3V Power and Logic : ID 4331 : $19.95 : Adafruit Industries, Unique & fun DIY electronics and kits
![Wire End Diy Pl2303ta Usb Uart Ttl Drivers Cable Wire End - Pc Hardware Cables & Adapters - AliExpress Wire End Diy Pl2303ta Usb Uart Ttl Drivers Cable Wire End - Pc Hardware Cables & Adapters - AliExpress](https://ae01.alicdn.com/kf/HTB160SgSXXXXXaAXFXXq6xXFXXXL/Pl2303ta-USB-to-TTL-Serial-Converter-Cable-wire-end-diy.jpg)
Wire End Diy Pl2303ta Usb Uart Ttl Drivers Cable Wire End - Pc Hardware Cables & Adapters - AliExpress
![Adafruit - USB to TTL Serial Cable - Debug / Console Cable for Victor BB / Raspberry P - Adafruit 954i #954-PL2303 Adafruit - USB to TTL Serial Cable - Debug / Console Cable for Victor BB / Raspberry P - Adafruit 954i #954-PL2303](http://www.robotcombat.com/products/images/954-PL2303-1.jpg)