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Rev6? Small Update

A project log for Digital Speedometer

A new digital dash to replace the slow inaccurate one on my cheap Chinese bike

Mangus TiranusMangus Tiranus 04/30/2017 at 14:140 Comments

Well ive been doing some researching and redesign work of the main board....

This is a small update as really its just pcb design work and schematic editing, however... Could this be the rev6 board?

Ive been getting to grips with KiCad, boy was it a learning curve. There are still some things eagle does metter... Arrays for a start... but Once i got round most of KiCads niggles I managed to get some good work done...

So yes this could be Rev6, I want to do some more research before I set this design in stone... This current design allows for both Nextion and EVE displays so the transition can be done using the same board, I have also incorporated the new rpm filter. Made nearly all the resistors SMD... Have a 2x10 socket for an easier less messy cable connection. And also have an alternative way of running the leds.

Some people mentioned that there are multi channel alternatives to ws2811's... And while I might have to create a new library so the code I already have can interface with them, It does seem worth it and would make the led arrays a little cheaper to build, as I would only need 5x tlc5947s to drive all 40 rgb leds... rather than 40 ws2811s...

Im yet to design the new array pcbs and I need to continue having a think about how to go about with the new chips...

Oh and as this quite possibly would be the final circuit design im going to have this version fabbed at a factory...

Anyway wish me luck :)

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