Nokia 5800 and Polar Heart Rate Monitor Belt: First test – working

September 11, 2009

Nokia 5800 with Sports Tracker and Polar heart rate monitor belt was tested. The Nokia 5800 could pair with the Polar heart rate belt and I was able to start a workout and see the heart rate on the screen as with Nokia N97. No real workout was done, so a more complete test should be done at a later time. It was only to see if it was possible to connect Nokia 5800 and the Polar belt and read the heart rate, and that test was successful.

15 Responses to “Nokia 5800 and Polar Heart Rate Monitor Belt: First test – working”

  1. BTW, the Sports Tracker version was 2.06 (S60 5.0).

  2. Please, could you specify exactly what model of Polar heart rate monitor belt did you use?
    THX

  3. Hi maikl, the Polar heart rate belt is a Polar Wearlink Bluetooth original made for Nokia N79. I have a picture of the Polar belt in the post at http://www.astradsson.dk/blog/archives/37.

  4. Man, great info on the Nokia with BT heart rate monitor.

    I’m trying to get hold of a bluetooth monitor belt for a 5800 but the website you mention no longer seems to list it :(

    How much did you pay and do you know of anywhere else to source the Polar or any other BT heart rate belt? I’m in the UK BTW. Thanks!!

  5. Hello, Martin.
    Congratulations for your really nice work about Polar for Nokia Heart Rate Belt and Nokia’s phone!
    I’ve developped a (non so small) device to catch signal from a standard Polar Belt (coded and uncoded) Transmissor like T31, amplify, extract (I used a PIC16F628A microcontroller) BPM from two or more heartbeat, and send it via Bluetooth using SPP (serial port profile) to a custom J2ME application running at Nokia Phone (5800 XM) – and it works!!
    Now, I need to know about the protocol used by the Nokia Sport Tracker and the Polar for Nokia. I think they are using Bluetooth SPP and I guess that the information sent from Polar for Nokia to the Phone is very simple. So, can you help me sending some samples from the data exchanged between the belt and the phone? I will do open source the full project, including software and hardware, about them. I think you can capture the information sent by the belt to Nokia using a simple program like Hyperterminal or any other software to attach to the belt via Bluetooth SPP. Can you help me?
    I will be (very) glad you.

    Thanks,
    Marcio Wesley Borges

    Ps.: Sorry for the poor English – I’m brazilian (we speak Portuguese).

  6. Good news!

    I’ve worked to develop my own homebrew solution to catch the signal from a compatible HRM belt transmiting at 5KHz (I used the Polar T31 belt), and so, I calculate the heartbeat per minute (I used a PIC microcontroller) and send the data to the Nokia Sport Tracker via Bluetooth (After several hours testing several data stream, I finally dicovered the protocol :) .
    The project name is Gym4Us and it will be realesed as an open source project. From now, if you have a Gym4Us box, you can use your 5KHz compatible belt with the Nokia Sport Tracker (v1.83 to v.2.06).
    More information will be released at: http://marciowb.net

    See my last workout (with HRM information) where I used Gym4Us with NOkia Sports Tracker at:
    http://sportstracker.nokia.com/nts/workoutdetail/index.do?id=2130130

    Regards,
    Marcio Wesley Borges
    Gym4Us – Now is possible to you use your 5KHz HRM belt with NST!

  7. I have one spare Polar/Nokia belt, never used. I managed to get it to work with any S60 phone.
    I can sell it for 50€ + shipment from DK.

  8. Hi Joyce

    I’m interested in your spare Polar/Nokia belt. Please write

    Best regards

    Martin

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