Commercial Refrigeration and Electrician for 35 years +. Worked around with a little of this and that. Have loved computers since my first Tandy TRS-80 in 78 I think it was. Built and worked on many since them. Think since I retired I'll try to teach and old dog new tricks. I know High voltage A/C and have delt with a lot of Controller boards for motors and other Controls found in Refrigeration. But know I want to learn more about the inner workings of electronics. Maybe the old saying abo…