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USBGear offers TTL adapters to provide connectivity between your USB and serial UART interfaces. USB TTL adapters vary in voltage and can be monitored with LED indicators. The USB to TTL interface supports the full range rs232 serial UART signals. USBGear has what you need for your communication to RS232 applications.

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  • USB to 3.3v TTL PIN Header Cable

    The 5 foot Serial UART USB to 3.3v TTL PIN Header Cable (TTL level) adapter allows you to connect your computer through the USB port and use it as a regular serial communication device with support for 7 or 8 data bits.
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  • USB to Serial UART 5V TTL Header Cable

    The GM-TTL5VT USB to TTL 5V Header Cable is a USB to Serial UART (TTL Level) allows you to connect your computer through an available USB port and uses it as a regular serial communication.
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  • USB to 3.3V/5V Serial UART TTL Auto Sensing Adapter

    The USB to serial UART TTL adapter is auto sensing and is supported in Windows 10 or earlier OS and Mac OS and Linux. The serial UART adapter electronics automatically sense the voltage for its operation. Transmit and receive LED lights are embedded into the translucent USB molded jacket.
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  • USB to RS232 TTL | CMOS Adapter Cable with Terminal Block

    USB to RS232 TTL voltage settings just got easier! Up until now you've had to make a choice between USB to TTL adapters and their voltage with either or selections. This USB to RS232 TTL/CMOS adapter cable eliminates that by allowing you to choose a voltage setting.
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