Amateur Radio and Calculators for Electronics
John Owen has made Enriching Electronics Pages at vwlowen.co.uk. There are many Ham Radio projects too.
A highlight is the “Build A PICAXE Weather Station.” This is quite Exhaustive and Detailed.
Here he teaches in simple tongue, The method and steps to towards the first project and that too, with the Sacred SG555 Timer.
Here is where he dazzles, He has developed very useful Calculators to make your Numbers Game a Piece of Cake.