Tinkerkit fries some of the modules

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somehow tinkerkit! fries of modules. have bought of parts @ farnell genuine somehow potentiometer fried on i0 , thermistor started smell. both killed @ first connection. of course first connected , powered arduino.

strangest thing things ldr working fine (on port i0) have no idea going on. bought of tinkerkit-parts don't dare put other parts on shield. can not fry other parts , why frying? new antistatic bag.

do mean tinkerkit io shield ?

make sure using input side not output side (double check).

there no reason should doing see. leonardo lcd tinkerkit still going strong.
what have shield connected , pins inserted into  main board (i presume uno ) correctly ? small round notched areas orient of board , line same notches on uno.



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