YYE-1 5V/12V/24V RS232 Serial Port Control Relay Module MCU MAX232 USB Control Switch Board
PCsensor USB to RS232 serial adapter cable
2pcs DC5V MAX3232 MAX232 RS232 To TTL Serial Communication Converter Module With Jumper Cable Geekcreit for Arduino - products that work with official for Arduino boards
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CH340 USB to serial RS232 USB to 232 Converter Adapter MAX232 For Win7 – diymore
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Beginning Embedded Electronics - 4 - SparkFun Electronics
FT232RL USB to Serial adapter module USB TO RS232 Max232 for Arduino download | eBay
5PCs Mini UART Serial to RS-232 Breakout, MAX232, RS232 - ElectroDragon
arduino - Problems with homemade RS232-to-TTL converter board based on TI's MAX232 - Electrical Engineering Stack Exchange
Building a serial port board with the max232 device | Just Another Jal Website
rs232 - Is MAX232 is needed? - Electrical Engineering Stack Exchange
USB serial communication to MAX232 circuit | Download Scientific Diagram
TTL Level - RS232 Level Converter by MAX232 - EEWeb
MAX232 - Wikipedia
