Yep, my home page. Just a collection of bits and pieces.
Links
Latest talks
- IPv4 and IPv6 addressesThis talk takes a look at what an IPv4 address is, the problem of running out of IPv4 addresses and current work-arounds. Finally, we take a look at IPv6 addresses./ First presented at U3ACommunities Computing Forum, a free on-line platform. Sign up here for notification of future talks. The presentation is :
- Is it time to move to the Fediverse ?Regular social media has been a source of concern for many years, with specific concerns around data gathering, profiling and hidden algorithms used to sell more ads. In 2016 the Fediverse was created as a new way to implement social media. Recently, of course, we’ve seen Twitter/X being taken over by Elon Musk and content… Read more: Is it time to move to the Fediverse ?
- Home Automation ProtocolsThis short talk briefly covers home automation protocols. First presented at U3ACommunities Computing Forum, a free on-line platform. Sign up here for notification of future talks. The presentation is : The talk was recorded in a previous U3ACommunities meeting :
Daily power use

Yesterdays electricity grid consumption was 14.4kWh, costing £1.03 + standing charge £0.62.
Yesterdays solar generation was 22.1kWh.
Yesterdays export was approx 24.1kWh earning £3.62.
Total electric £-1.97.
Local air quality

Data is from a SEN5x module.
- PM 2.5 unhealthy above 35.5 μg/m3
- VOC and NOx index max in 500
Broadband speed

