[E3-hacking] E3 serial connection

Jonathan McDowell noodles at earth.li
Tue Feb 21 18:08:46 GMT 2006


On Tue, Feb 21, 2006 at 06:05:13PM +0000, David Given wrote:
> Does anyone have a definitive answer as to what I need to hook up an
> E3 to a PC serial port?
>
> The various opinions I've seen so far are:
> 
> * If you just wire it up, it may work, but you run some risk of frying the 
> UART in the E3.

True; I have mine wired up at present with no converter or level
shifter.

> * If you just wire it up, it won't work, because you need to invert
> the signal levels.
> 
> * You can wire it up to an E2 line level converter and it will work.

True if taken together I believe; you need an E2 style converter plus an
inverter.

J.

-- 
noodles is good in nagahama
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 189 bytes
Desc: Digital signature
Url : http://www.earth.li/pipermail/e3-hacking/attachments/20060221/785dd9a9/attachment.pgp


More information about the e3-hacking mailing list