usb serial adapter from $19.95 only at serial adapter source www.USBGear.com
<p>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.</p>
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USB TTL

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USB TTL 5V / 3.3V RS232 adapter with LED indicators
Features :

USB TTL with 5V or 3.3V Jumper

Very easy to use USB TTL in its most simple form!

Voltage settings are set to 5 volt or 3.3 volt option via two available jumpers settings to su...
Part No. USB-6WTTL | View Details

$14.95
USB to 3.3v TTL PIN Header Cable
Features :

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 wi...
Part No. GM-TTL3VT | View Details

$29.95
USB to Serial UART 5V TTL Header Cable
Features :

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. All USB...
Part No. GM-TTL5VT | View Details

$29.95
USB to RS232 TTL | CMOS Adapter Cable with Terminal Block
Features :

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 RS...
Part No. USB-232TTLMOS | View Details

$29.95
USB to RS232 Isolated TTL | CMOS Adapter Cable with TB
Features :

USB to isolated RS232 TTL adapter with Dip switch voltage settings

Up until now you’ve had to make a choice between USB to TTL adapters and their voltage with either or selections...
Part No. USB-232TTLMOS-IS | View Details

$39.95

usb serial adapter from $19.95 only at serial adapter source www.USBGear.com