Been doin computers since 1970!
Large ones (taking up multiple rooms!), small ones ( 6mm X 6mm). Simple ones (6502) and complex ones (IBM 360, Sigma 9).
On line since 1972 via private network and public networks. NIC handle assigned by internic is DG12.
Current projects include ruuvi environmental bluetooth and raspberry pi connector. Hoping to get arelated iPhone app up.