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projects:electronics:dualpressuresensor [2008/11/25 10:36] – photonicsguy | projects:electronics:dualpressuresensor [2010/11/05 13:20] – photonicsguy | ||
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+ | ====== Barometric Pressure sensor ====== | ||
+ | |||
====== Dual pressure sensor board ====== | ====== Dual pressure sensor board ====== | ||
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- | <IMG SRC=" | ||
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===== Op-Amp Circuit ===== | ===== Op-Amp Circuit ===== | ||
+ | * Use an LM358 Op-Amp | ||
* 80 to 110 kilopascals >> 3.125 to 4.475 Volts. 3 to 4.5 volt rate will give 77.3 to 110 KPa range. | * 80 to 110 kilopascals >> 3.125 to 4.475 Volts. 3 to 4.5 volt rate will give 77.3 to 110 KPa range. | ||