with heart rate sensor?
There are multiple ways, but you should try and goggle Here can be your bullet points Rf Xbee WiFi Bluetooth And try to make your doubt more understandable , how is the heart rate sensor ? Is it again connected to the other Arduino ? What is the purpose ? How much range and distance is required? Please even post a full question. And before posting Google such things they are easily there online
And what kind of heart rate sensor?
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