Worked in chemical plant 11 years, Instrumentation Tech and instructor at community college for 6 years after getting diploma in electronics. 20 years as a field service guy for industrial controls/computer systems, covering 3 provinces in Canada. Now retired, creating like crazy. Part time piano player, have superb HO train layout, raced cars, showed cars. Most of current life is electronics after discovering Arduino. Long time ago I was a very proficient Assembler programmer for Motorola MPUs, then graduated to Microchip PIC. Had a 6600 light display-BEFORE LEDS! Now have a few high power LED displays.