A couple thoughts on encoder magnets

[dlang]

@bar a couple thoughts on possible options for future versions.

1. if we continue to use plastic sprockets, instead of using the round radially polorized magnets, use rectangular magnets, they will not slip, and if they are the appropriate length, it won’t matter which end of the sprocket is up

2. consider the option of going with a ring magnet on a more standard sprocket, something like: https://www.aliexpress.us/item/2255801156647733.html

16t idler with 10x3x4 bearing 22.6mm wide x 14mm deep
20t idler with 10x3x4 bearing 25.5mm wide x 17mm deep
22t molded with 14x8x4 bearing 28.7mm wide x 14mm deep

the difficult thing would be gluing the magnet on the idler pulleys and have it centered

[MrN808]

For centering a ring magnet, I don’t think it would be too difficult to 3D-print a jig to make it easier to glue.