Re: [Dorset] USB to Ethernet Adaptors and Communication Issues

2018-09-19 Thread Terry Coles
On Wednesday, 19 September 2018 15:20:54 BST Ralph Corderoy wrote: > The Pi has a serial port that's not USB. Your laptop could connect to > that using a USB port on the laptop. Then your laptop keyboard and > screen can be used to log in on the Pi's serial port and get to a shell > to poke aroun

Re: [Dorset] USB to Ethernet Adaptors and Communication Issues

2018-09-19 Thread Ralph Corderoy
Hi Terry, > > You need a USB to UART convertor for you laptop to the Pi's serial > > port. I think this has been suggested before? :-) > > https://ebay.to/2xxRNKi is the kind of thing, but be careful to > > connect it up correctly. > > However, I'm not sure what problem it's solving in this cont

Re: [Dorset] USB to Ethernet Adaptors and Communication Issues

2018-09-19 Thread Terry Coles
On Wednesday, 19 September 2018 10:12:56 BST Ralph Corderoy wrote: > You need a USB to UART convertor for you laptop to the Pi's serial port. > I think this has been suggested before? :-) https://ebay.to/2xxRNKi is > the kind of thing, but be careful to connect it up correctly. I don't think I'v

Re: [Dorset] USB to Ethernet Adaptors and Communication Issues

2018-09-19 Thread Ralph Corderoy
Hi Terry, > I managed to identify the type of the original adaptors by monitoring > the kernel messages as they were plugged in. (I didn't think I could > do it, because I don't have a USB Hub (other than the one on the > adaptor) and I don't have a USB Type B to Micro USB Adaptor (as > opposed t

Re: [Dorset] USB to Ethernet Adaptors and Communication Issues

2018-09-18 Thread Terry Coles
On Tuesday, 18 September 2018 11:45:42 BST Terry Coles wrote: > 1. The most important question is; does anyone know why this might have > occurred? The original adaptors were extremely cheap and included a USB > hub, so they may simply have been badly designed. I managed to identify the type of

Re: [Dorset] USB to Ethernet Adaptors and Communication Issues

2018-09-18 Thread Hamish MB
Given these are pi zeros I think it could be a power-related issue, but other than that no bright ideas :) Hamish On 18 Sep 2018, at 11:46, Terry Coles mailto:d-...@hadrian-way.co.uk>> wrote: Hi, At the Wimborne Model Town we have chosen to communicate data between Raspberry Pis using Ethernet

[Dorset] USB to Ethernet Adaptors and Communication Issues

2018-09-18 Thread Terry Coles
Hi, At the Wimborne Model Town we have chosen to communicate data between Raspberry Pis using Ethernet and, (as previously discussed), we've installed around 100 m of armoured Cat 5e cable around the site. We are mainly using Raspberry Pi Zeros (because they are cheap) and during our prototype