Half-brother Henno Arrak (graphic designer) Had been married with Urve Arrak Sons- Arno Arrak and Jaan Arrak The Estonian Academy of Arts (1966 Metal design) Member of Estonian Artists’ Union, 1969 Taxi driver in Leningrad, 1960 Acknowledgements Kristjan Raud’s art prize, 1990 Konrad Mäe’s medal, 1997 Second Class Order of the White Star, 2000 Work Doorknob Jewelry Metal graphics Films Paintings Rugs Paintings Theme- The Bible’s plots, religion “Last dinner“ („Viimane õhtusöök“) Paintings Recurring character- maskcharacter 1.“Sculpture with sculpture“ („Kuju kujuga“) 2.“Human“ („Inimene“) My favorite piece of his art
sequence motor startup so the motors don’t all start at once, and limit the number of motors that are on at one time (where possible) to reduce the total current drawn. In cases where motor current causes noise in the system that affects ADC measurements, take the ADC readings when motors are off. This will mini- mize ground-noise-induced errors. ESD ESD (ElectroStatic Discharge) is the electric spark you sometimes get when you walk across a carpet on a cold, dry day and touch a metal doorknob. This type of high-voltage discharge can destroy electronic circuits. ESD typically has a large amount of high-frequency energy because of the short, pulse-like nature of the discharge. Circuits can often be protected against ESD by adding ferrite beads or EMI filters in series with the affected inputs. 208 Analog Interfacing to Embedded Microprocessors Just like ordinary ground loops, ESD can get into your circuits via the grounds
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