All these USB to serial cables have a chip inside them. Touch the red multimeter lead to the other wires one at a time. I tried this same procedure with Win10 drivers from same Cypress folders and got the same results. That leaves your other line as RX. I measured all the wires. Wrong unfortunately, the multimeter does NOT provide power.
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And no, there is no SET color coding – manufacturers choose whatever they want.
Skip to main content. Check czble continuity with a multimeter between the end that you cut off and each of the wires on the cut off piece. I tried this same procedure with Win10 drivers from same Cypress folders and got the same results. You don’t have to break open the end piece.
USB to UART driver for Windows 10 (Cypress) | Zedboard
You can google how to use a multimeter. If you try doing it from the computer end of the cable, how are you going to tell which signal is which and what the values are supposed to be? Pick one of the wires and attach the black multimeter lead to it. Zedboard forums is currently read-only while it under goes maintenance. Well i have a hard time cracking open the end piece, is it possible to diagnose the wires with a multi-meter and how so?
If I try to update the drivers for such COM1 port and select Win7 drivers from Cypress installed folders then it does change the type of the port to Arknicro serial port but still does not work.
You still have to determine what wire is what.
Ports – ArkMicro – ArkMicro USB to Serial Ports Computer Driver Updates
Really need help for my specific problem please. And you can use a USB hub if you want also, as long as its powered.
Tried an old laptop with XP. In my uneducated guess, I believe this means the colors listed above are correct.
I have Win 7 x How else can you tell which wire runs to which pin if you dont crack open the end? Cannot see new device, COM port in device manager. Between each attempt I restarted windows after uninstalling previous driver and restarted again after installing new driver. Mon Jun 13, 0: I spent almost 2 whole days trying to read information to get this working and its not working.
I only see the same COM1 port that has been there before.
They are very clsoe together on the Zedboard, jeje. Never used one usb-hart. I know its been said you can find the ground by measuring the ohms with a multimeter set to OHM.
Then compare the wire colour to the picture linked to in the wiki.
So just akmicro it in, without the other end hooked up to anything, just means its a good cable. If there is no signal, then you may be on the RX line. Going of another thread here I suspect that the wires in the cable are as follows: Community Projects View Projects.
Display posts from previous: The post mentioned does not solve my problem. So when you cabpe the red multimeter to 1 wire, and the black multimeter to one of the USB jack ends, you should see 0 Ohm or hear a Beep That means you have the same wire. Log in Profile View unanswered posts Log in Username: Wrong unfortunately, the multimeter does NOT provide power.
I tried the USB device viewer but neither it or windows seems to think there is a connection.