Top 10 Best serial cables in 2026

Main highlights

• •Support 4 kinds of TTL levels:This is a versatile USB to TTL converter. It is powerful enough to handle almost all TTL level communications. It is compatible with 5V, 3.3V, 2.5V, 1.8V TTL levels.
• •FTDI FT232RNL Chip:Built-in original FTDI FT232RNL Chip.Industrial grade, Compatible with Windows 7, 8, 10, 11, Linux, MacOS
• •Protective case:Comes with a protective case, this transparent protective case can effectively prevent static interference from the hand and prevent accidental short circuit
• •It provides access not only to UART TX,RX, RTS, CTS, VCC and GND pins,but also provides access to DSR,R1,DCD,DTR,RESET pins
• •What You Get: SH-U09C5 USB to UART Adatper, 6PIN Cable

Main highlights

• •Original FT232RNL | Stable Transmission | Multi Devices | Multi Systems
• •Adopts Original FT232RNL Converter, Providing Better Stability And Compatibility, Enabling Industrial Grade High Performance Communication Between Computer And TTL Devices
• •Compatible With Popular Systems Like Win7/8/8.1/10/11, Mac, Linux, Android, WinCE...
• •Easily Checking The Operating Status, Convenient For Programming / Debugging

Main highlights

• •USB to TTL Serial Adapter: Commonly used in microcontrollers, IoT, automation, and supports UART interface communication
• •Working Voltage: 3.3 V - 5 V
• •Supports USB 2.0 protocol, 12Mbps transmission, and can quickly transfer between the USB interface and the UART interface
• •Supports hardware flow control: RTS/CTS, which is very useful when congestion may occur during high-speed data transmission
• •Compatible with: Windows 98 SE, Me, 2000, XP, Vista, 7,8,10. Mac OS 9, OS X. Linux 2.40

Main highlights

• •6 ft USB to TTL serial adapter (with 4 pin 0.1” pitch female header socket) connects devices with 3.3 V logic level UART signals interface to a laptop via USB port
• •A genuine PL2303TA chip module is housed in USB 2.0 type A male terminal for wider compatibility and supports reliable data transfer rates
• •6 feet USB to TTL serial cable 3V3 (4 way output flying leads ) provides access to UART (transmit) Tx, (receive) Rx, VCC (5V) and GND
• •PL2303 Prolific chipset on the PCB board has configurable internal EEPROM and UART signals can be individually inverted by configuring the EEPROM
• •4 pin 3.3V USB to TTL converter cord Compatible with Windows 10, 8, 8.1, 7 (32, 64-bit), 2008/XP/Vista/CE; ideal USB 2.0 debug cord for Vendor ID re-write, router, GPS, set top box, transmitter, flash firmware on hard drive, etc.

Main highlights

• •HiLetgo USB to TTL CH340 Module
• •STC downloader
• •CH340 Module
• •USB to TTL
• •USB to RS232

Main highlights

• •USB to TTL Converter Breakout Board: From a stability point of view, the FT232 series is the most reliable and can be used to debug programs without worrying about the blue screen
• •Working Voltage：3.3 V - 5 V
• •With 500ma resettable fuse, RXD/TXD transceiver communication indicator
• •Compatible with Win95/98/98se/ME/2000/XP/win7 32-bit 64-bit/ vista
• •Not compatible with Windows 8

Main highlights

• •Extending USB to 4CH TTL (UART) with hardware flow control, allows concurrent and independent communication for each channel
• •Onboard resettable fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock resistance
• •Onboard IO protection circuit for surge suppress and ESD protection, safe and stable communication
• •Aluminium alloy enclosure with oxidation dull-polish surface, CNC process opening, solid and durable, well-crafted
• •Onboard TTL serial port 3.3V and 5V voltage level switch, allows selecting TTL level. Quality USB-B connector, and IDC connector with fool-proof design.

Main highlights

• •With this USB to TTL adapter, you can establish communication with your board/MCU through your computer. Maximum transmission speed up to 3Mbps
• •The main chip is FT232RL from FTDI ,High stability. LED indicator for TX,RX,Power,It is very useful when you are debugging or downloading.
• •Pin Definition: CTS,RTS,RXD,TXD,GND,VCC;Support VCC output 3.3V and 5V, switch by jumper.
• •Works with Windows 11,10, 7(32/64bit) Vista 2008, XP, 2003,Mac Etc.
• •Customer Support: DSD TECH provides permanent technical support and 1 year product replacement service for this USB to TTL Serial Adapter.All questions will be answered within 1 working day.

Main highlights