Extension for the AccelStepper library. With this library AccelStepper can be used to control steppers using a MCP23017 I/O Expander over I2C interface. This requires only two pins to be used A4 SDA ...
#define SW_MOSI 66 // Software Master Out Slave In (MOSI) #define SW_MISO 44 // Software Master In Slave Out (MISO) #define SW_SCK 64 // Software Slave Clock (SCK) #define SW_RX 63 // TMC2208/TMC2224 ...
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