Sensor SO2

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hola.
alguien me puede recomendar un sensor para arduino que mida so2 (dioxido de azufre) y que sea económico. los que encontrado haciendo búsquedas en internet están por encima de los 70 euros. si hay alguien que ya ha hecho esta consulta agradecería me dieran en link para ver la respuesta.
muchas gracias por anticipado
un saludo

escribe en google: arduino so2 y tienes las soluciones baratas.
su calibración no es simple. te lo voy adelantando.


Arduino Forum > International > Español > Hardware (Moderators: surbyte, Hector_A) > Sensor SO2


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