niceeshop(TM) PL2303HX USB To TTL To UART RS232 COM Cable Module Converter
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- Built-in TTL COM PC-PL2303HX Chip.
- Standard USB type A male and TTL 4 pin connector.
- Simple and Easy way to give USB support to your designs.
- Available for Linux, Mac, WinCE and Windows (XP, 2003), Vista, Win 7.
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This item niceeshop(TM) PL2303HX USB To TTL To UART RS232 COM Cable Module Converter
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Red cable ---- VCC.
Connection method: Brush requires only three lines, generally used only three signal lines RX TX GND, VCC.
After setting 3.3V and 5.0V output (this is to the microcontroller power supply, no need to upgrade the machine).
please put the small plate unplug from the computer, set the jumper to take, do not charged to avoid damage to the device.
Color: show as pictures.
1 x PL2303HX COM Cable.
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Basic serial communication requires only 3 pins,
and Ground (Black).
I did not use the Voltage (RED) pin as it supplies 5 volts from the USB and the modem already
had a 3.3 volt supply.
Linux 3.10.17 recognizes the USB device as a Prolific Technology PL2303 serial port and udevd creates a /dev/ttyUSB0 device handle.
I used minicom to work with the /dev/ttyUSB0 device.
In my particular case I set the serial port to 115200 (bits per second) with 8N1 (8 bits data, no parity, 1 stop bit). And turned off Software flow control and Hardware flow control.
As for the cable/adapter, for my particular HDD, the cable's connectors were too big (or the drive's pins were too small, depending on how you look at it). In order to get it to work, I had to remove the plastic covering on three of the cable's end connectors: TX, RX, and GND (I did not use the VCC cable). This was as simple as bending back the small black plastic flap on the plastic covering that holds it in place until it was able to slide off the connector. Once I did this, I could slide the connectors over the pins on my HDD. Unfortunately, the pins were too small and didn't hold the cable connector. So, rather than crimping the end-connectors so they'd fit snugly over the HDD pins, I wrapped some scotch tape around them (to prevent them from touching the other pins/connectors), slid each of them over their respective pins, and then taped them in place onto the HDD at a slight angle so that contact between the cables and the HDD pins would be guaranteed. Amazingly, all of this worked just great! Once I figured out that PuTTY wouldn't connect to it, I tried using gtkterm with sudo and everything worked great. I was using Xubuntu 16.04 LTS.
After finishing up the HDD repair, I peeled off the tape, put back on the plastic covers, and packed it away for a rainy day.
The description should be updated to state this cable is PL-2303HXA and will not work with windows 8:
Update: If you install an old windows 7 driver the cable will work on windows 8. I am using 3.04.25 from here:
***I did have to use sandpaper to shave down two of the plastic black connectors in order to squeeze them into the drive's tiny com port; to fit in the third connector, I removed the black plastic clip entirely.
***And, since I'm on a Windows 10 machine and this PL2303HX is not plug'n'play-able (aka, not manufactured or supported by Prolific-- the company that apparently makes the original/genuine version this is based on), I did have to use the driver version mentioned by another user in this comments section. ( citywok posted the link as: http://www.row-ware.com/usb/drivers/3.04.25.218/ )
My only complaint is the time it took to show up at my door, but even then, it was still early in the time frame niceshop(TM)/amazon specified when ordering.
[241886.806557] usbcore: registered new interface driver pl2303
[241886.806948] usbserial: USB Serial support registered for pl2303
[241886.808443] pl2303 2-2.2:1.0: pl2303 converter detected
[241886.823634] usb 2-2.2: pl2303 converter now attached to ttyUSB1
note however that without a full 6 pin connector, you won't be able to do things like set DTR pin, which is necessary for rebooting and then communicating with AVR bootloader