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6d6ab81 · · Mar 25, 2026

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"Disclaimer"

The 3d printer i was planning to get still hasnt been shipped to me beacuse construct it taking a very long time sorry about this.

Screenshot 2026-03-07 230841 image

This is the online web portal that allows the coaches to acess the data.

WhatsApp.Video.2026-03-25.at.17.31.26.mp4

here you can see an example of what the screen displays.

https://lapse.hackclub.com/timelapse/Rufa2XrtfnKe

This is my attempt at a rowing computer. THe aim of this project is to mhgave a rowing helper so that the cox can work out what calls to make. I am going to try to make it in time for my race one the 21st of march..

The computer will display the following information split, distance, rate and the averages of all of these. It will calculate all of this with only 2 sensors an imu and a gps. Because exact speed is very important in rowing i wll be using the sensor fusion aporach. I will combine the imu and gps for super acurate speed data. The imu will aslo calculate stroke rate. This will all then be displayed on a screen for the cox to see. It will aslo transmit data via wifi to the coaches phone so that they can help us train..

To build the computer you will need 8 M3 screws and a lot of hot glue. The reason i am using hot glue is becusae it waterproofs everything very nicely.

Screenshot 2026-03-08 111549 Here you see the schematic. I put this here even though i am going to be making it on a perf board because it is cheaper

Here you can see some exploded veiws of the box:

image Screenshot 2026-03-07 230851 Screenshot 2026-03-07 230900 Screenshot 2026-03-07 230916

This is the box without any of the compononetes inside. Screenshot 2026-03-07 231009

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this is going to be a rowing compuer for on thw ater

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