Sensore hall: cosa sbaglio?

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salve tutti,
ho trovato un vecchio sensore hall e sto cercando di capire se funziona ancora..
ho usato questo schema, ma ho collegato il terzo pin ad a0, anzichè pin digitale 2... la resistenza che ho usato è 15kohm


caricando lo sketch analogreadserial leggo numeri intorno 200-300 senza che abbiano alcun riscontro con il passaggio di un magnete davanti..

(p.s. un sensore così può andar bene per capire se in un filo passa corrente o no?)

cosa sbaglio?
grazie mille

il circuito da utilizzare dipende dal tipo di sensore: ci sono sensori con uscita ttl od open collector ed altri con uscita analogica.

la sigla del componente sarebbe utile... :) 


Arduino Forum > International > Italiano > Generale (Moderator: leo72) > Sensore hall: cosa sbaglio?


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