Rowing machine with 2 reed switches

ESPHome
1

I have a rowing machine and it uses Reed switches to detect a spinning wheel via magnets. There are two Reed switches side-by-side, so you can determine the direction of the wheel. With these reed switches you can calculate speed, number of rotations per stroke, and direction of stroke.

I linked both reed switches into ESPHome via platform: pulse_counter. How can I now start identifying strokes. Let’s assume a stroke required 4 rotations and the reed switches send A and B respectively when they get magnetized. Then a stroke would look like: B.A…|…A.B…A.B…A.B…A.B…|…B.A
I was wondering if I could use ESPHome to identify strokes, rotations within the stroke, and time duration of the stroke. Then send that information to Home Assistant so I can track the training on my rowing device and even compare with others.

1 Like
2

I found this GitHub - GrizzlyBuilds/Rownin: An example of a rowing machine interacting with a Unity game via an Arduino
But would prefer to implement it with ESPHome on an ESP32 board and home assistant as database.

3

Some random ideas which may or may not be useful…

Create a “digital signal” from the A and B (high and low) and then use other components to process that.

https://www.google.com/search?q=digital+signal&prmd=ibvn&sxsrf=AJOqlzWP9uDVl9Q1OiskjDDigtXJNzj6GA:1678957861051&source=lnms&tbm=isch&sa=X&ved=2ahUKEwit95m3jeD9AhXbBrcAHfucCesQ_AUoAXoECAIQAQ&biw=393&bih=737&dpr=2.75#imgrc=YFeJw7Ahf6wnGM

Create binary sensors and use on_multi_click to process it.

That’s all I’ve got…