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by Scamperbaby
Sat Nov 02, 2019 10:04 pm
Forum: Automation, sensing and robotics
Topic: Flow meter question
Replies: 4
Views: 925

Re: Flow meter question

Sounds right. Generally the output of the flow meters are open collector. That means they normally float up to an external voltage and are pulled down to zero to signal a pulse. That means they should safely work with devices with 3V3 GPIO like the Pi as well as with devices with 5V GPIO such as mo...
by Scamperbaby
Sat Nov 02, 2019 7:17 pm
Forum: Automation, sensing and robotics
Topic: Flow meter question
Replies: 4
Views: 925

Flow meter question

I'm hoping to get some validation on connecting a flow meter to a Raspberry Pi 3 A+. The software is no problem but I'm pretty new to electronics side of things so I want to make sure I'm not screwing something up. Here is the data sheet for the flow meter: https://jlcinternational.com/wp-content/up...

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