Gobal architecture for LitSpin

In order to better understand how to make LitSpin a coherent and functionnal device, we created a diagram of its architecture .

The following represents how the different modules will communicate and work together. Technical details will come later as choices in components and communication buses are made. This is not supposed to be a drawing so it is not representative of how LitSpin will look but it should give an idea of how it will work.

Basically, there will be two main systems. A static system that will have an electric motor and what is needed to control it : a control board that will communicate with an Electronic Speed Controller, the accompanying BLDC motor, an IR receiver that will get information from the rotating system and the induction power transmitter.

The rotating system will contain the bulk of the project. The DC-DC power supply converting 24V to 5V, our SoM, LED drivers and multiplexing circuits and other modules. The SoM will contain both an ARM processor and an FPGA element to control the drivers and multiplexing circuits.

In order to have one driver per 64 LEDs, we will be multiplexing our LED outputs 1:4. Each PCB will then consist of 32 LEDs on each side, one TLC5957 driver and the multiplexing circuitry.

As for communication, the rotating system will have a Wifi module that a user will be able to connect to and an IR LED to send motor control information to the static PCB.

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