Raised (from a very early age) as a Computer Mainframe Engineer (CDC6000, IBM370, XDS Sigma 5 and 7, Mini's: Wang, PDP7-11, Datapoint 6000) in the UK and worked in Aerospace (Chief Engineer Tornado (BAC) ground system), T/V and Radio Systems and Utilities amongst others. Migrated to Australia in 1976. Now retired, or trying to, and focusing on teaching arm based mcu's and developing projects for my own purposes.