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USB to TTL Serial Cable

by stats on Wed Aug 15, 2012 1:24 pm

Is there a document to detail which pins to connect to use
this cable?

Cheers,
Rich
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Re: USB to TTL Serial Cable

by jgotthardt on Thu Aug 16, 2012 9:22 am

Hi Rich,

Cable pin-out is as follows:
Red = +5V
Black = gnd
White = RX
Green = TX

To connect to Raspberry Pi:
Red to pin 2 (+5V)
Black to pin 6 (GND)
White to pin 8 (GPIO14, TXD)
Green to pin 10 (GPIO15, RXD)

This will power the RPi from the USB port of the computer you're using to communicate with the RPi. If The RPi is getting power thru its micro USB power connector, leave the red wire unconnected.
John
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Re: USB to TTL Serial Cable

by stats on Thu Aug 16, 2012 12:18 pm

Thanks!

Cheers,
Rich
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Re: USB to TTL Serial Cable

by jishnu_oman on Thu Aug 23, 2012 2:24 pm

Hi,

What is the other use/benefits of USB to TTL serial cable....

regards,

Jishnu
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Re: USB to TTL Serial Cable

by mikeniemi on Thu Sep 06, 2012 1:41 am

The product page (http://www.adafruit.com/products/954) says "this cable is ideal for powering and connecting up to the debug/login console on the Raspberry Pi".

Just checking.. does that mean you can do the initial setup and subsequent control of a Rasberry Pi using this cable without needing a USB keyboard and mouse, and HDMI or composite television/monitor? If so, that would be very cool.
Mike
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Re: USB to TTL Serial Cable

by adafruit on Thu Sep 06, 2012 4:55 pm

you can indeed, thats exactly what its for!
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Re: USB to TTL Serial Cable

by smhall05 on Sun Sep 23, 2012 9:12 pm

I think the answer is yes, but is this a special cable? What is the chip inside the header? I'd like to see if I can re-create the same function. I cut a standard usb cable laying around and made the necessary connections, but was unable to bring up a console.
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Re: USB to TTL Serial Cable

by adafruit_support_bill on Mon Sep 24, 2012 4:55 am

but is this a special cable? What is the chip inside the header?

Yes. There is a usb/serial converter chip built into the header. There is a data sheet link on the product description page.
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Re: USB to TTL Serial Cable

by dliloch on Sun Dec 02, 2012 1:43 pm

hello,
I have purchased the usb to ttl serial cable and it works fine from my mac to rasbperry pi..
I can't make it go from my raspberry pi to another raspberry pi. I have it on a powered hub
but the raspberry pi does not seen to see it.. any suggestions? Also I take it that no drivers
are required for this .. but they are for mac and windows.
Thanks,
-don
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Re: USB to TTL Serial Cable

by holaparc on Sun Dec 02, 2012 10:15 pm

any tutorials available? thanks
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Re: USB to TTL Serial Cable

by adafruit on Mon Dec 03, 2012 8:58 pm

we dont have any details on using the USB cable ON the pi itself - it needs drivers that may not exist! its only for use from a computer to the pi
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