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Convert motor board to I2C #49

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dburnsii opened this issue Sep 25, 2022 · 2 comments
Open

Convert motor board to I2C #49

dburnsii opened this issue Sep 25, 2022 · 2 comments

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@dburnsii
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With looking at multiple boards, and considering some of the issues seen with custom protocols regarding timing, all devices that communicate with the main board should be communicating with I2C.

The problem with the motor board is that it requires 10 discreet GPIO outputs, rework the board to use the MCP23017
@dburnsii
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MCP23017 chips seem to be in low supply currently. The following may be a good alternative:

https://www.digikey.com/en/products/detail/nxp-usa-inc/PCA9555APW-118/3677025
@dburnsii
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dburnsii commented Jan 26, 2023 •
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New board with PCAL6416A tested and working well, adding and testing new module to drive it and setting a place to select it in configuration.
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@dburnsii