Your post is almost unreadable, and tells of an unsorted mind. [quote]For example, if one operates a contactor through a relay driven by an MSP430 device,invariably the device resets or malfunctions needing a watch dog timer. ... I have been using TEXAS FOR THE PAST TWELVE YEARS AND AND LOST MANY ORDERS BECASUE OF msp430 occasional malfunbction.[/quote] Do not mistake inadequate hardware design and omitted EMI protection measures for component failure. And do not hijack threads.
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