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I found this postpost and I am having almost the exact same issue. Nick Gammon (the god of arduino) has an excellent answer but I can't for the life of me implement it myself. I am not an advanced user like the initial question asker.

I found this post and I am having almost the exact same issue. Nick Gammon (the god of arduino) has an excellent answer but I can't for the life of me implement it myself. I am not an advanced user like the initial question asker.

I found this post and I am having almost the exact same issue. Nick Gammon (the god of arduino) has an excellent answer but I can't for the life of me implement it myself. I am not an advanced user like the initial question asker.

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Arduino SPI MCP23S17 I/O Expander (SPI)

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Arduino SPI MCP23S17 Write not workingI/O Expander

I found this post and I am having almost the exact same issue. Nick Gammon (the god of arduino) havehas an excellent answer but I can't for the life of me implement it myself. I am not an advanced user like the initial question asker.

Arduino SPI MCP23S17 Write not working

I found this post and I am having almost the exact same issue. Nick Gammon (the god of arduino) have an excellent answer but I can't for the life of me implement it myself. I am not an advanced user like the initial question asker.

Arduino SPI MCP23S17 I/O Expander

I found this post and I am having almost the exact same issue. Nick Gammon (the god of arduino) has an excellent answer but I can't for the life of me implement it myself. I am not an advanced user like the initial question asker.

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