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It?s SwissFlow FlowSensor, Not a Swiss Roll!

2014-11-13 19:15  
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Today, we are going to have a further look on this SwissFlow FlowSensor. Let's me describe the details or functions for the components inside this project.

Square wave signal, which in between 50Hz and 2000Hz can be detected in the sensor. The measure frequency is divided by 10 and it's measured in liter/minute.

Assembled flow sensor

The resistor R1 (2K2) is used to accommodate the open collector output of the SF800 to a 5V TTL signal, which available at connector J1.


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