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I need to record blood pressure with a blood pressure cuff interfaced to an Arduino uno module so the data can be logged. I searched the web for a such a device, but could not found anything useful.

Which modules should I look for?

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    Are you looking to build a blood pressure monitor, or are you hoping for something pre-made? Commented Apr 10, 2020 at 17:47
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    Yes arduino essential.I am working on arduino uno @K7AA7 Commented Apr 10, 2020 at 17:52
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    Not exactly i need to store blood pressure data on a server and monitor the results on a graph lively.So i need the data from the module but i don't need an external monitor i just need to store it.@Alphy31 Commented Apr 10, 2020 at 17:57
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    So you just want an input device you can write numbers to by hand? Commented Apr 10, 2020 at 18:14
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    No i am measuring my blood pressure and the results are needed to be parsed and stored in database lively @Alphy13.And i need an Arduino module to measure it.My question is which modules should i look for.For example i found an air pressure measurement module but i need to measure blood pressure. Commented Apr 10, 2020 at 18:16

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When I hear you ask for a module, I think of an Arduino "Shield" but you dont need one of these. You can connect what you need directly to the board, but it will be easier if you use a breadboard.

There is a really good paper here that describes the measurement process and even shows the low-pass amplifier they used to read from the pressure sensor. You can place only the sensor inside the inflated portion and have the rest outside, or you can use a full module that is placed inside the chamber.

You will also need an air pump to inflate, and a solenoid valve to deflate. Both the pump and solenoid use 12V, so you will need a set of relays. Make sure that you have a way to restrict the airflow out, so that it deflates slow enough to get precise measurements.

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Government regulation of healthcare devices raises the entry cost to market for such devices, so it's no surprise none was found in my web search.

However, there's a non-Arduino Bluetooth blood pressure cuff which logs data to iOS and Android devices

You can also create your own following instructions in this book with a capacitive pressure sensor and a Mega 2560.

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