ijl20 profile








Recent posts (View all)
Station Board issue 2018 Dec 13th: national service problem

 On Dec. 13, 2018, 9:30 a.m.

As of the morning of Thurs Dec 13th our 'Station Board' widget is showing a 'blank' page - the data we're retrieving from the National Rail service has a probl…

Re: Environmental Monitoring and Sensors

 On Nov. 1, 2018, 11:09 a.m.

hi Sam - I've sent you an email - give me a call...

rgds - Ian

Re: Issues adding a new device

 On Nov. 1, 2018, 11:04 a.m.

apologies for the slow response - we're quietly in the twilight zone where our LoraWAN equipment provider (EveryNet) has unilaterally disabled V1 of their netw…

SmartPanel updates, Sept 2018

 On Sept. 20, 2018, 9:21 a.m.

This week, we've delivered some new features to the SmartPanel:

  • The supported layouts include grids suitable for both Portrait and Landscape displays

  • Layout …

Re: Car park data problems

 On Aug. 6, 2018, 9:07 a.m.

we've reported the faults with the 'exit' sensors on those car parks and they will be fixed, although we haven't been given a time estimate. I guess the length…

Layout vs Display

 On July 11, 2018, 10:18 a.m.

Hint for those out there creating their own custom SmartPanels, derived from a slight misunderstanding I've noticed...

While you develop your carefully design…

Operational Issues Updates

 On July 10, 2018, 5:03 p.m.

Today Tues 10th July the Weather data feed from the UK Met Office seems to be royally broken. So the weather widget on the SmartPanel will be blank when it ref…

Re: Support for Portrait Layouts?

 On July 9, 2018, 9:29 p.m.

obviously sounds reasonable and we'll add it to the list. Don't get me started on 'Doh' as the fixed layout was a considered choice to deliver what we did. Th…

Re: Postgraduate Research Project Help

 On July 9, 2018, 9:12 p.m.

sure - I'm Ian Lewis, www.cl.cam.ac.uk/~ijl20

Re: Bus Live Data Map

 On June 28, 2018, 8:59 a.m.

In due course we'll get around to providing the next version of that bus map - for the past several months the main 'development' focus has been the SmartPane…

Creating a SmartPanel - A step by step guide

 On June 20, 2018, 10:46 a.m.

The essential concepts are:

Widget: this is a layout component that shows information about a particular thing, e.g. the Weather, or a Train Station.


About the Cambridge SmartPanel

 On June 18, 2018, 10:26 a.m.

The Cambridge SmartPanel has been developed by the University of Cambridge, in close collaboration with SmartCambridge and the Greater Cambridge Partnership, t…

Re: Histon Rd

 On June 12, 2018, 3:25 p.m.

I'd need to go through the process of rendering the new zone on a map and comparing it to the previous one - the essential question is whether this zone alters…

Re: Class C operation

 On Feb. 23, 2018, 10:13 a.m.

All the sensors on the network so far have been uplink only (i.e. the typical transmission of sensor data to a server), so if you have a downlink requirement i…

Re: Smart city in a week - Cambridge project

 On Feb. 23, 2018, 10:07 a.m.

So far we've registered 30 devices and have the first one sending humidity and temperature data to SenSat - I look forward to seeing what this project produces…