Development electronics with simple micro-controllers
Developed projects in past: Digital oscilloscopes (hardware, software), HDSL subscriber line compressor (hardware), Digital auto-answering machine (hardware), Analogue telephone line DTMF notification device (hardware, software), Street lighting device by solar powering (hardware, software), Color big watch (hardware, software), GSM notification device (hardware, software), Supply environment for EPIC sensors from Plessey (hardware), many small chores.