Cleanup for DIGIPOTS settings

Marlin/Configuration_adv.h

@@ -434,8 +434,21 @@
 //#define DIGIPOT_MOTOR_CURRENT { 135,135,135,135,135 }   // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 //#define DAC_MOTOR_CURRENT_DEFAULT { 70, 80, 90, 80 }    // Default drive percent - X, Y, Z, E axis
 
-// Uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
+// Use an I2C based DIGIPOT (e.g., Azteeg X3 Pro)
 //#define DIGIPOT_I2C
+#if ENABLED(DIGIPOT_I2C) && !defined(DIGIPOT_I2C_ADDRESS_A)
+  /**
+   * Common slave addresses:
+   *
+   *                    A   (A shifted)   B   (B shifted)  IC
+   * Smoothie          0x2C (0x58)       0x2D (0x5A)       MCP4451
+   * AZTEEG_X3_PRO     0x2C (0x58)       0x2E (0x5C)       MCP4451
+   * MIGHTYBOARD_REVE  0x2F (0x5E)                         MCP4018
+   */
+  #define DIGIPOT_I2C_ADDRESS_A 0x2C  // unshifted slave address for first DIGIPOT
+  #define DIGIPOT_I2C_ADDRESS_B 0x2D  // unshifted slave address for second DIGIPOT
+#endif
+
 //#define DIGIPOT_MCP4018          // Requires library from https://github.com/stawel/SlowSoftI2CMaster
 #define DIGIPOT_I2C_NUM_CHANNELS 8 // 5DPRINT: 4     AZTEEG_X3_PRO: 8
 // Actual motor currents in Amps, need as many here as DIGIPOT_I2C_NUM_CHANNELS

Marlin/example_configurations/AlephObjects/TAZ4/Configuration_adv.h

@@ -434,8 +434,21 @@
 //#define DIGIPOT_MOTOR_CURRENT { 135,135,135,135,135 }   // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 //#define DAC_MOTOR_CURRENT_DEFAULT { 70, 80, 90, 80 }    // Default drive percent - X, Y, Z, E axis
 
-// Uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
+// Use an I2C based DIGIPOT (e.g., Azteeg X3 Pro)
 //#define DIGIPOT_I2C
+#if ENABLED(DIGIPOT_I2C) && !defined(DIGIPOT_I2C_ADDRESS_A)
+  /**
+   * Common slave addresses:
+   *
+   *                    A   (A shifted)   B   (B shifted)  IC
+   * Smoothie          0x2C (0x58)       0x2D (0x5A)       MCP4451
+   * AZTEEG_X3_PRO     0x2C (0x58)       0x2E (0x5C)       MCP4451
+   * MIGHTYBOARD_REVE  0x2F (0x5E)                         MCP4018
+   */
+  #define DIGIPOT_I2C_ADDRESS_A 0x2C  // unshifted slave address for first DIGIPOT
+  #define DIGIPOT_I2C_ADDRESS_B 0x2D  // unshifted slave address for second DIGIPOT
+#endif
+
 //#define DIGIPOT_MCP4018          // Requires library from https://github.com/stawel/SlowSoftI2CMaster
 #define DIGIPOT_I2C_NUM_CHANNELS 8 // 5DPRINT: 4     AZTEEG_X3_PRO: 8
 // Actual motor currents in Amps, need as many here as DIGIPOT_I2C_NUM_CHANNELS

Marlin/example_configurations/Anet/A6/Configuration_adv.h

@@ -434,8 +434,21 @@
 //#define DIGIPOT_MOTOR_CURRENT { 135,135,135,135,135 }   // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 //#define DAC_MOTOR_CURRENT_DEFAULT { 70, 80, 90, 80 }    // Default drive percent - X, Y, Z, E axis
 
-// Uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
+// Use an I2C based DIGIPOT (e.g., Azteeg X3 Pro)
 //#define DIGIPOT_I2C
+#if ENABLED(DIGIPOT_I2C) && !defined(DIGIPOT_I2C_ADDRESS_A)
+  /**
+   * Common slave addresses:
+   *
+   *                    A   (A shifted)   B   (B shifted)  IC
+   * Smoothie          0x2C (0x58)       0x2D (0x5A)       MCP4451
+   * AZTEEG_X3_PRO     0x2C (0x58)       0x2E (0x5C)       MCP4451
+   * MIGHTYBOARD_REVE  0x2F (0x5E)                         MCP4018
+   */
+  #define DIGIPOT_I2C_ADDRESS_A 0x2C  // unshifted slave address for first DIGIPOT
+  #define DIGIPOT_I2C_ADDRESS_B 0x2D  // unshifted slave address for second DIGIPOT
+#endif
+
 //#define DIGIPOT_MCP4018          // Requires library from https://github.com/stawel/SlowSoftI2CMaster
 #define DIGIPOT_I2C_NUM_CHANNELS 8 // 5DPRINT: 4     AZTEEG_X3_PRO: 8
 // Actual motor currents in Amps, need as many here as DIGIPOT_I2C_NUM_CHANNELS

Marlin/example_configurations/Anet/A8/Configuration_adv.h

@@ -434,8 +434,21 @@
 //#define DIGIPOT_MOTOR_CURRENT { 135,135,135,135,135 }   // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 //#define DAC_MOTOR_CURRENT_DEFAULT { 70, 80, 90, 80 }    // Default drive percent - X, Y, Z, E axis
 
-// Uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
+// Use an I2C based DIGIPOT (e.g., Azteeg X3 Pro)
 //#define DIGIPOT_I2C
+#if ENABLED(DIGIPOT_I2C) && !defined(DIGIPOT_I2C_ADDRESS_A)
+  /**
+   * Common slave addresses:
+   *
+   *                    A   (A shifted)   B   (B shifted)  IC
+   * Smoothie          0x2C (0x58)       0x2D (0x5A)       MCP4451
+   * AZTEEG_X3_PRO     0x2C (0x58)       0x2E (0x5C)       MCP4451
+   * MIGHTYBOARD_REVE  0x2F (0x5E)                         MCP4018
+   */
+  #define DIGIPOT_I2C_ADDRESS_A 0x2C  // unshifted slave address for first DIGIPOT
+  #define DIGIPOT_I2C_ADDRESS_B 0x2D  // unshifted slave address for second DIGIPOT
+#endif
+
 //#define DIGIPOT_MCP4018          // Requires library from https://github.com/stawel/SlowSoftI2CMaster
 #define DIGIPOT_I2C_NUM_CHANNELS 8 // 5DPRINT: 4     AZTEEG_X3_PRO: 8
 // Actual motor currents in Amps, need as many here as DIGIPOT_I2C_NUM_CHANNELS

Marlin/example_configurations/BQ/Hephestos/Configuration_adv.h

@@ -434,8 +434,21 @@
 //#define DIGIPOT_MOTOR_CURRENT { 135,135,135,135,135 }   // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 //#define DAC_MOTOR_CURRENT_DEFAULT { 70, 80, 90, 80 }    // Default drive percent - X, Y, Z, E axis
 
-// Uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
+// Use an I2C based DIGIPOT (e.g., Azteeg X3 Pro)
 //#define DIGIPOT_I2C
+#if ENABLED(DIGIPOT_I2C) && !defined(DIGIPOT_I2C_ADDRESS_A)
+  /**
+   * Common slave addresses:
+   *
+   *                    A   (A shifted)   B   (B shifted)  IC
+   * Smoothie          0x2C (0x58)       0x2D (0x5A)       MCP4451
+   * AZTEEG_X3_PRO     0x2C (0x58)       0x2E (0x5C)       MCP4451
+   * MIGHTYBOARD_REVE  0x2F (0x5E)                         MCP4018
+   */
+  #define DIGIPOT_I2C_ADDRESS_A 0x2C  // unshifted slave address for first DIGIPOT
+  #define DIGIPOT_I2C_ADDRESS_B 0x2D  // unshifted slave address for second DIGIPOT
+#endif
+
 //#define DIGIPOT_MCP4018          // Requires library from https://github.com/stawel/SlowSoftI2CMaster
 #define DIGIPOT_I2C_NUM_CHANNELS 8 // 5DPRINT: 4     AZTEEG_X3_PRO: 8
 // Actual motor currents in Amps, need as many here as DIGIPOT_I2C_NUM_CHANNELS

Marlin/example_configurations/BQ/Hephestos_2/Configuration_adv.h

@@ -434,8 +434,21 @@
 #define DIGIPOT_MOTOR_CURRENT { 150, 170, 180, 190, 180 }   // Values 0-255 (bq ZUM Mega 3D (default): X = 150 [~1.17A]; Y = 170 [~1.33A]; Z = 180 [~1.41A]; E0 = 190 [~1.49A])
 //#define DAC_MOTOR_CURRENT_DEFAULT { 70, 80, 90, 80 }      // Default drive percent - X, Y, Z, E axis
 
-// Uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
+// Use an I2C based DIGIPOT (e.g., Azteeg X3 Pro)
 //#define DIGIPOT_I2C
+#if ENABLED(DIGIPOT_I2C) && !defined(DIGIPOT_I2C_ADDRESS_A)
+  /**
+   * Common slave addresses:
+   *
+   *                    A   (A shifted)   B   (B shifted)  IC
+   * Smoothie          0x2C (0x58)       0x2D (0x5A)       MCP4451
+   * AZTEEG_X3_PRO     0x2C (0x58)       0x2E (0x5C)       MCP4451
+   * MIGHTYBOARD_REVE  0x2F (0x5E)                         MCP4018
+   */
+  #define DIGIPOT_I2C_ADDRESS_A 0x2C  // unshifted slave address for first DIGIPOT
+  #define DIGIPOT_I2C_ADDRESS_B 0x2D  // unshifted slave address for second DIGIPOT
+#endif
+
 //#define DIGIPOT_MCP4018          // Requires library from https://github.com/stawel/SlowSoftI2CMaster
 #define DIGIPOT_I2C_NUM_CHANNELS 8 // 5DPRINT: 4     AZTEEG_X3_PRO: 8
 // Actual motor currents in Amps, need as many here as DIGIPOT_I2C_NUM_CHANNELS

Marlin/example_configurations/BQ/WITBOX/Configuration_adv.h

@@ -434,8 +434,21 @@
 //#define DIGIPOT_MOTOR_CURRENT { 135,135,135,135,135 }   // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 //#define DAC_MOTOR_CURRENT_DEFAULT { 70, 80, 90, 80 }    // Default drive percent - X, Y, Z, E axis
 
-// Uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
+// Use an I2C based DIGIPOT (e.g., Azteeg X3 Pro)
 //#define DIGIPOT_I2C
+#if ENABLED(DIGIPOT_I2C) && !defined(DIGIPOT_I2C_ADDRESS_A)
+  /**
+   * Common slave addresses:
+   *
+   *                    A   (A shifted)   B   (B shifted)  IC
+   * Smoothie          0x2C (0x58)       0x2D (0x5A)       MCP4451
+   * AZTEEG_X3_PRO     0x2C (0x58)       0x2E (0x5C)       MCP4451
+   * MIGHTYBOARD_REVE  0x2F (0x5E)                         MCP4018
+   */
+  #define DIGIPOT_I2C_ADDRESS_A 0x2C  // unshifted slave address for first DIGIPOT
+  #define DIGIPOT_I2C_ADDRESS_B 0x2D  // unshifted slave address for second DIGIPOT
+#endif
+
 //#define DIGIPOT_MCP4018          // Requires library from https://github.com/stawel/SlowSoftI2CMaster
 #define DIGIPOT_I2C_NUM_CHANNELS 8 // 5DPRINT: 4     AZTEEG_X3_PRO: 8
 // Actual motor currents in Amps, need as many here as DIGIPOT_I2C_NUM_CHANNELS

Marlin/example_configurations/Cartesio/Configuration_adv.h

@@ -434,8 +434,21 @@
 //#define DIGIPOT_MOTOR_CURRENT { 135,135,135,135,135 }   // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 //#define DAC_MOTOR_CURRENT_DEFAULT { 70, 80, 90, 80 }    // Default drive percent - X, Y, Z, E axis
 
-// Uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
+// Use an I2C based DIGIPOT (e.g., Azteeg X3 Pro)
 //#define DIGIPOT_I2C
+#if ENABLED(DIGIPOT_I2C) && !defined(DIGIPOT_I2C_ADDRESS_A)
+  /**
+   * Common slave addresses:
+   *
+   *                    A   (A shifted)   B   (B shifted)  IC
+   * Smoothie          0x2C (0x58)       0x2D (0x5A)       MCP4451
+   * AZTEEG_X3_PRO     0x2C (0x58)       0x2E (0x5C)       MCP4451
+   * MIGHTYBOARD_REVE  0x2F (0x5E)                         MCP4018
+   */
+  #define DIGIPOT_I2C_ADDRESS_A 0x2C  // unshifted slave address for first DIGIPOT
+  #define DIGIPOT_I2C_ADDRESS_B 0x2D  // unshifted slave address for second DIGIPOT
+#endif
+
 //#define DIGIPOT_MCP4018          // Requires library from https://github.com/stawel/SlowSoftI2CMaster
 #define DIGIPOT_I2C_NUM_CHANNELS 8 // 5DPRINT: 4     AZTEEG_X3_PRO: 8
 // Actual motor currents in Amps, need as many here as DIGIPOT_I2C_NUM_CHANNELS

Marlin/example_configurations/Creality/CR-10/Configuration_adv.h

@@ -434,8 +434,21 @@
 //#define DIGIPOT_MOTOR_CURRENT { 135,135,135,135,135 }   // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 //#define DAC_MOTOR_CURRENT_DEFAULT { 70, 80, 90, 80 }    // Default drive percent - X, Y, Z, E axis
 
-// Uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
+// Use an I2C based DIGIPOT (e.g., Azteeg X3 Pro)
 //#define DIGIPOT_I2C
+#if ENABLED(DIGIPOT_I2C) && !defined(DIGIPOT_I2C_ADDRESS_A)
+  /**
+   * Common slave addresses:
+   *
+   *                    A   (A shifted)   B   (B shifted)  IC
+   * Smoothie          0x2C (0x58)       0x2D (0x5A)       MCP4451
+   * AZTEEG_X3_PRO     0x2C (0x58)       0x2E (0x5C)       MCP4451
+   * MIGHTYBOARD_REVE  0x2F (0x5E)                         MCP4018
+   */
+  #define DIGIPOT_I2C_ADDRESS_A 0x2C  // unshifted slave address for first DIGIPOT
+  #define DIGIPOT_I2C_ADDRESS_B 0x2D  // unshifted slave address for second DIGIPOT
+#endif
+
 //#define DIGIPOT_MCP4018          // Requires library from https://github.com/stawel/SlowSoftI2CMaster
 #define DIGIPOT_I2C_NUM_CHANNELS 8 // 5DPRINT: 4     AZTEEG_X3_PRO: 8
 // Actual motor currents in Amps, need as many here as DIGIPOT_I2C_NUM_CHANNELS

Marlin/example_configurations/Felix/Configuration_adv.h

@@ -434,8 +434,21 @@
 //#define DIGIPOT_MOTOR_CURRENT { 135,135,135,135,135 }   // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 //#define DAC_MOTOR_CURRENT_DEFAULT { 70, 80, 90, 80 }    // Default drive percent - X, Y, Z, E axis
 
-// Uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
+// Use an I2C based DIGIPOT (e.g., Azteeg X3 Pro)
 //#define DIGIPOT_I2C
+#if ENABLED(DIGIPOT_I2C) && !defined(DIGIPOT_I2C_ADDRESS_A)
+  /**
+   * Common slave addresses:
+   *
+   *                    A   (A shifted)   B   (B shifted)  IC
+   * Smoothie          0x2C (0x58)       0x2D (0x5A)       MCP4451
+   * AZTEEG_X3_PRO     0x2C (0x58)       0x2E (0x5C)       MCP4451
+   * MIGHTYBOARD_REVE  0x2F (0x5E)                         MCP4018
+   */
+  #define DIGIPOT_I2C_ADDRESS_A 0x2C  // unshifted slave address for first DIGIPOT
+  #define DIGIPOT_I2C_ADDRESS_B 0x2D  // unshifted slave address for second DIGIPOT
+#endif
+
 //#define DIGIPOT_MCP4018          // Requires library from https://github.com/stawel/SlowSoftI2CMaster
 #define DIGIPOT_I2C_NUM_CHANNELS 8 // 5DPRINT: 4     AZTEEG_X3_PRO: 8
 // Actual motor currents in Amps, need as many here as DIGIPOT_I2C_NUM_CHANNELS

Marlin/example_configurations/FolgerTech/i3-2020/Configuration_adv.h

@@ -434,8 +434,21 @@
 //#define DIGIPOT_MOTOR_CURRENT { 135,135,135,135,135 }   // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 //#define DAC_MOTOR_CURRENT_DEFAULT { 70, 80, 90, 80 }    // Default drive percent - X, Y, Z, E axis
 
-// Uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
+// Use an I2C based DIGIPOT (e.g., Azteeg X3 Pro)
 //#define DIGIPOT_I2C
+#if ENABLED(DIGIPOT_I2C) && !defined(DIGIPOT_I2C_ADDRESS_A)
+  /**
+   * Common slave addresses:
+   *
+   *                    A   (A shifted)   B   (B shifted)  IC
+   * Smoothie          0x2C (0x58)       0x2D (0x5A)       MCP4451
+   * AZTEEG_X3_PRO     0x2C (0x58)       0x2E (0x5C)       MCP4451
+   * MIGHTYBOARD_REVE  0x2F (0x5E)                         MCP4018
+   */
+  #define DIGIPOT_I2C_ADDRESS_A 0x2C  // unshifted slave address for first DIGIPOT
+  #define DIGIPOT_I2C_ADDRESS_B 0x2D  // unshifted slave address for second DIGIPOT
+#endif
+
 //#define DIGIPOT_MCP4018          // Requires library from https://github.com/stawel/SlowSoftI2CMaster
 #define DIGIPOT_I2C_NUM_CHANNELS 8 // 5DPRINT: 4     AZTEEG_X3_PRO: 8
 // Actual motor currents in Amps, need as many here as DIGIPOT_I2C_NUM_CHANNELS

Marlin/example_configurations/Infitary/i3-M508/Configuration_adv.h

@@ -434,8 +434,21 @@
 #define DIGIPOT_MOTOR_CURRENT { 135,135,135,135,135 }   // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 //#define DAC_MOTOR_CURRENT_DEFAULT { 70, 80, 90, 80 }    // Default drive percent - X, Y, Z, E axis
 
-// Uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
+// Use an I2C based DIGIPOT (e.g., Azteeg X3 Pro)
 //#define DIGIPOT_I2C
+#if ENABLED(DIGIPOT_I2C) && !defined(DIGIPOT_I2C_ADDRESS_A)
+  /**
+   * Common slave addresses:
+   *
+   *                    A   (A shifted)   B   (B shifted)  IC
+   * Smoothie          0x2C (0x58)       0x2D (0x5A)       MCP4451
+   * AZTEEG_X3_PRO     0x2C (0x58)       0x2E (0x5C)       MCP4451
+   * MIGHTYBOARD_REVE  0x2F (0x5E)                         MCP4018
+   */
+  #define DIGIPOT_I2C_ADDRESS_A 0x2C  // unshifted slave address for first DIGIPOT
+  #define DIGIPOT_I2C_ADDRESS_B 0x2D  // unshifted slave address for second DIGIPOT
+#endif
+
 //#define DIGIPOT_MCP4018          // Requires library from https://github.com/stawel/SlowSoftI2CMaster
 #define DIGIPOT_I2C_NUM_CHANNELS 8 // 5DPRINT: 4     AZTEEG_X3_PRO: 8
 // Actual motor currents in Amps, need as many here as DIGIPOT_I2C_NUM_CHANNELS

Marlin/example_configurations/Malyan/M150/Configuration_adv.h

@@ -434,8 +434,21 @@
 //#define DIGIPOT_MOTOR_CURRENT { 135,135,135,135,135 }   // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 //#define DAC_MOTOR_CURRENT_DEFAULT { 70, 80, 90, 80 }    // Default drive percent - X, Y, Z, E axis
 
-// Uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
+// Use an I2C based DIGIPOT (e.g., Azteeg X3 Pro)
 //#define DIGIPOT_I2C
+#if ENABLED(DIGIPOT_I2C) && !defined(DIGIPOT_I2C_ADDRESS_A)
+  /**
+   * Common slave addresses:
+   *
+   *                    A   (A shifted)   B   (B shifted)  IC
+   * Smoothie          0x2C (0x58)       0x2D (0x5A)       MCP4451
+   * AZTEEG_X3_PRO     0x2C (0x58)       0x2E (0x5C)       MCP4451
+   * MIGHTYBOARD_REVE  0x2F (0x5E)                         MCP4018
+   */
+  #define DIGIPOT_I2C_ADDRESS_A 0x2C  // unshifted slave address for first DIGIPOT
+  #define DIGIPOT_I2C_ADDRESS_B 0x2D  // unshifted slave address for second DIGIPOT
+#endif
+
 //#define DIGIPOT_MCP4018          // Requires library from https://github.com/stawel/SlowSoftI2CMaster
 #define DIGIPOT_I2C_NUM_CHANNELS 8 // 5DPRINT: 4     AZTEEG_X3_PRO: 8
 // Actual motor currents in Amps, need as many here as DIGIPOT_I2C_NUM_CHANNELS

Marlin/example_configurations/Micromake/C1/enhanced/Configuration_adv.h

@@ -434,8 +434,21 @@
 //#define DIGIPOT_MOTOR_CURRENT { 135,135,135,135,135 }   // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 //#define DAC_MOTOR_CURRENT_DEFAULT { 70, 80, 90, 80 }    // Default drive percent - X, Y, Z, E axis
 
-// Uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
+// Use an I2C based DIGIPOT (e.g., Azteeg X3 Pro)
 //#define DIGIPOT_I2C
+#if ENABLED(DIGIPOT_I2C) && !defined(DIGIPOT_I2C_ADDRESS_A)
+  /**
+   * Common slave addresses:
+   *
+   *                    A   (A shifted)   B   (B shifted)  IC
+   * Smoothie          0x2C (0x58)       0x2D (0x5A)       MCP4451
+   * AZTEEG_X3_PRO     0x2C (0x58)       0x2E (0x5C)       MCP4451
+   * MIGHTYBOARD_REVE  0x2F (0x5E)                         MCP4018
+   */
+  #define DIGIPOT_I2C_ADDRESS_A 0x2C  // unshifted slave address for first DIGIPOT
+  #define DIGIPOT_I2C_ADDRESS_B 0x2D  // unshifted slave address for second DIGIPOT
+#endif
+
 //#define DIGIPOT_MCP4018          // Requires library from https://github.com/stawel/SlowSoftI2CMaster
 #define DIGIPOT_I2C_NUM_CHANNELS 8 // 5DPRINT: 4     AZTEEG_X3_PRO: 8
 // Actual motor currents in Amps, need as many here as DIGIPOT_I2C_NUM_CHANNELS

Marlin/example_configurations/RigidBot/Configuration_adv.h

@@ -434,8 +434,21 @@
 //#define DIGIPOT_MOTOR_CURRENT { 135,135,135,135,135 }   // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 //#define DAC_MOTOR_CURRENT_DEFAULT { 70, 80, 90, 80 }    // Default drive percent - X, Y, Z, E axis
 
-// Uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
+// Use an I2C based DIGIPOT (e.g., Azteeg X3 Pro)
 //#define DIGIPOT_I2C
+#if ENABLED(DIGIPOT_I2C) && !defined(DIGIPOT_I2C_ADDRESS_A)
+  /**
+   * Common slave addresses:
+   *
+   *                    A   (A shifted)   B   (B shifted)  IC
+   * Smoothie          0x2C (0x58)       0x2D (0x5A)       MCP4451
+   * AZTEEG_X3_PRO     0x2C (0x58)       0x2E (0x5C)       MCP4451
+   * MIGHTYBOARD_REVE  0x2F (0x5E)                         MCP4018
+   */
+  #define DIGIPOT_I2C_ADDRESS_A 0x2C  // unshifted slave address for first DIGIPOT
+  #define DIGIPOT_I2C_ADDRESS_B 0x2D  // unshifted slave address for second DIGIPOT
+#endif
+
 //#define DIGIPOT_MCP4018          // Requires library from https://github.com/stawel/SlowSoftI2CMaster
 #define DIGIPOT_I2C_NUM_CHANNELS 8 // 5DPRINT: 4     AZTEEG_X3_PRO: 8
 // Actual motor currents in Amps, need as many here as DIGIPOT_I2C_NUM_CHANNELS

Marlin/example_configurations/SCARA/Configuration_adv.h

@@ -434,8 +434,21 @@
 //#define DIGIPOT_MOTOR_CURRENT { 135,135,135,135,135 }   // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 //#define DAC_MOTOR_CURRENT_DEFAULT { 70, 80, 90, 80 }    // Default drive percent - X, Y, Z, E axis
 
-// Uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
+// Use an I2C based DIGIPOT (e.g., Azteeg X3 Pro)
 //#define DIGIPOT_I2C
+#if ENABLED(DIGIPOT_I2C) && !defined(DIGIPOT_I2C_ADDRESS_A)
+  /**
+   * Common slave addresses:
+   *
+   *                    A   (A shifted)   B   (B shifted)  IC
+   * Smoothie          0x2C (0x58)       0x2D (0x5A)       MCP4451
+   * AZTEEG_X3_PRO     0x2C (0x58)       0x2E (0x5C)       MCP4451
+   * MIGHTYBOARD_REVE  0x2F (0x5E)                         MCP4018
+   */
+  #define DIGIPOT_I2C_ADDRESS_A 0x2C  // unshifted slave address for first DIGIPOT
+  #define DIGIPOT_I2C_ADDRESS_B 0x2D  // unshifted slave address for second DIGIPOT
+#endif
+
 //#define DIGIPOT_MCP4018          // Requires library from https://github.com/stawel/SlowSoftI2CMaster
 #define DIGIPOT_I2C_NUM_CHANNELS 8 // 5DPRINT: 4     AZTEEG_X3_PRO: 8
 // Actual motor currents in Amps, need as many here as DIGIPOT_I2C_NUM_CHANNELS

Marlin/example_configurations/Sanguinololu/Configuration_adv.h

@@ -423,8 +423,21 @@
 //#define DIGIPOT_MOTOR_CURRENT { 135,135,135,135,135 }   // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 //#define DAC_MOTOR_CURRENT_DEFAULT { 70, 80, 90, 80 }    // Default drive percent - X, Y, Z, E axis
 
-// Uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
+// Use an I2C based DIGIPOT (e.g., Azteeg X3 Pro)
 //#define DIGIPOT_I2C
+#if ENABLED(DIGIPOT_I2C) && !defined(DIGIPOT_I2C_ADDRESS_A)
+  /**
+   * Common slave addresses:
+   *
+   *                    A   (A shifted)   B   (B shifted)  IC
+   * Smoothie          0x2C (0x58)       0x2D (0x5A)       MCP4451
+   * AZTEEG_X3_PRO     0x2C (0x58)       0x2E (0x5C)       MCP4451
+   * MIGHTYBOARD_REVE  0x2F (0x5E)                         MCP4018
+   */
+  #define DIGIPOT_I2C_ADDRESS_A 0x2C  // unshifted slave address for first DIGIPOT
+  #define DIGIPOT_I2C_ADDRESS_B 0x2D  // unshifted slave address for second DIGIPOT
+#endif
+
 //#define DIGIPOT_MCP4018          // Requires library from https://github.com/stawel/SlowSoftI2CMaster
 #define DIGIPOT_I2C_NUM_CHANNELS 8 // 5DPRINT: 4     AZTEEG_X3_PRO: 8
 // Actual motor currents in Amps, need as many here as DIGIPOT_I2C_NUM_CHANNELS

Marlin/example_configurations/TinyBoy2/Configuration_adv.h

@@ -434,8 +434,21 @@
 //#define DIGIPOT_MOTOR_CURRENT { 135,135,135,135,135 }   // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 //#define DAC_MOTOR_CURRENT_DEFAULT { 70, 80, 90, 80 }    // Default drive percent - X, Y, Z, E axis
 
-// Uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
+// Use an I2C based DIGIPOT (e.g., Azteeg X3 Pro)
 //#define DIGIPOT_I2C
+#if ENABLED(DIGIPOT_I2C) && !defined(DIGIPOT_I2C_ADDRESS_A)
+  /**
+   * Common slave addresses:
+   *
+   *                    A   (A shifted)   B   (B shifted)  IC
+   * Smoothie          0x2C (0x58)       0x2D (0x5A)       MCP4451
+   * AZTEEG_X3_PRO     0x2C (0x58)       0x2E (0x5C)       MCP4451
+   * MIGHTYBOARD_REVE  0x2F (0x5E)                         MCP4018
+   */
+  #define DIGIPOT_I2C_ADDRESS_A 0x2C  // unshifted slave address for first DIGIPOT
+  #define DIGIPOT_I2C_ADDRESS_B 0x2D  // unshifted slave address for second DIGIPOT
+#endif
+
 //#define DIGIPOT_MCP4018          // Requires library from https://github.com/stawel/SlowSoftI2CMaster
 #define DIGIPOT_I2C_NUM_CHANNELS 8 // 5DPRINT: 4     AZTEEG_X3_PRO: 8
 // Actual motor currents in Amps, need as many here as DIGIPOT_I2C_NUM_CHANNELS

Marlin/example_configurations/Velleman/K8200/Configuration_adv.h

@@ -447,8 +447,21 @@
 //#define DIGIPOT_MOTOR_CURRENT { 135,135,135,135,135 }   // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 //#define DAC_MOTOR_CURRENT_DEFAULT { 70, 80, 90, 80 }    // Default drive percent - X, Y, Z, E axis
 
-// Uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
+// Use an I2C based DIGIPOT (e.g., Azteeg X3 Pro)
 //#define DIGIPOT_I2C
+#if ENABLED(DIGIPOT_I2C) && !defined(DIGIPOT_I2C_ADDRESS_A)
+  /**
+   * Common slave addresses:
+   *
+   *                    A   (A shifted)   B   (B shifted)  IC
+   * Smoothie          0x2C (0x58)       0x2D (0x5A)       MCP4451
+   * AZTEEG_X3_PRO     0x2C (0x58)       0x2E (0x5C)       MCP4451
+   * MIGHTYBOARD_REVE  0x2F (0x5E)                         MCP4018
+   */
+  #define DIGIPOT_I2C_ADDRESS_A 0x2C  // unshifted slave address for first DIGIPOT
+  #define DIGIPOT_I2C_ADDRESS_B 0x2D  // unshifted slave address for second DIGIPOT
+#endif
+
 //#define DIGIPOT_MCP4018          // Requires library from https://github.com/stawel/SlowSoftI2CMaster
 #define DIGIPOT_I2C_NUM_CHANNELS 8 // 5DPRINT: 4     AZTEEG_X3_PRO: 8
 // Actual motor currents in Amps, need as many here as DIGIPOT_I2C_NUM_CHANNELS

Marlin/example_configurations/Velleman/K8400/Configuration_adv.h

@@ -434,8 +434,21 @@
 //#define DIGIPOT_MOTOR_CURRENT { 135,135,135,135,135 }   // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 //#define DAC_MOTOR_CURRENT_DEFAULT { 70, 80, 90, 80 }    // Default drive percent - X, Y, Z, E axis
 
-// Uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
+// Use an I2C based DIGIPOT (e.g., Azteeg X3 Pro)
 //#define DIGIPOT_I2C
+#if ENABLED(DIGIPOT_I2C) && !defined(DIGIPOT_I2C_ADDRESS_A)
+  /**
+   * Common slave addresses:
+   *
+   *                    A   (A shifted)   B   (B shifted)  IC
+   * Smoothie          0x2C (0x58)       0x2D (0x5A)       MCP4451
+   * AZTEEG_X3_PRO     0x2C (0x58)       0x2E (0x5C)       MCP4451
+   * MIGHTYBOARD_REVE  0x2F (0x5E)                         MCP4018
+   */
+  #define DIGIPOT_I2C_ADDRESS_A 0x2C  // unshifted slave address for first DIGIPOT
+  #define DIGIPOT_I2C_ADDRESS_B 0x2D  // unshifted slave address for second DIGIPOT
+#endif
+
 //#define DIGIPOT_MCP4018          // Requires library from https://github.com/stawel/SlowSoftI2CMaster
 #define DIGIPOT_I2C_NUM_CHANNELS 8 // 5DPRINT: 4     AZTEEG_X3_PRO: 8
 // Actual motor currents in Amps, need as many here as DIGIPOT_I2C_NUM_CHANNELS

Marlin/example_configurations/delta/FLSUN/auto_calibrate/Configuration_adv.h

@@ -436,8 +436,21 @@
 #define DIGIPOT_MOTOR_CURRENT { 135,135,135,135,135 }   // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 //#define DAC_MOTOR_CURRENT_DEFAULT { 70, 80, 90, 80 }    // Default drive percent - X, Y, Z, E axis
 
-// Uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
+// Use an I2C based DIGIPOT (e.g., Azteeg X3 Pro)
 //#define DIGIPOT_I2C
+#if ENABLED(DIGIPOT_I2C) && !defined(DIGIPOT_I2C_ADDRESS_A)
+  /**
+   * Common slave addresses:
+   *
+   *                    A   (A shifted)   B   (B shifted)  IC
+   * Smoothie          0x2C (0x58)       0x2D (0x5A)       MCP4451
+   * AZTEEG_X3_PRO     0x2C (0x58)       0x2E (0x5C)       MCP4451
+   * MIGHTYBOARD_REVE  0x2F (0x5E)                         MCP4018
+   */
+  #define DIGIPOT_I2C_ADDRESS_A 0x2C  // unshifted slave address for first DIGIPOT
+  #define DIGIPOT_I2C_ADDRESS_B 0x2D  // unshifted slave address for second DIGIPOT
+#endif
+
 //#define DIGIPOT_MCP4018          // Requires library from https://github.com/stawel/SlowSoftI2CMaster
 #define DIGIPOT_I2C_NUM_CHANNELS 8 // 5DPRINT: 4     AZTEEG_X3_PRO: 8
 // Actual motor currents in Amps, need as many here as DIGIPOT_I2C_NUM_CHANNELS

Marlin/example_configurations/delta/FLSUN/kossel_mini/Configuration_adv.h

@@ -436,8 +436,21 @@
 //#define DIGIPOT_MOTOR_CURRENT { 135,135,135,135,135 }   // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 //#define DAC_MOTOR_CURRENT_DEFAULT { 70, 80, 90, 80 }    // Default drive percent - X, Y, Z, E axis
 
-// Uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
+// Use an I2C based DIGIPOT (e.g., Azteeg X3 Pro)
 //#define DIGIPOT_I2C
+#if ENABLED(DIGIPOT_I2C) && !defined(DIGIPOT_I2C_ADDRESS_A)
+  /**
+   * Common slave addresses:
+   *
+   *                    A   (A shifted)   B   (B shifted)  IC
+   * Smoothie          0x2C (0x58)       0x2D (0x5A)       MCP4451
+   * AZTEEG_X3_PRO     0x2C (0x58)       0x2E (0x5C)       MCP4451
+   * MIGHTYBOARD_REVE  0x2F (0x5E)                         MCP4018
+   */
+  #define DIGIPOT_I2C_ADDRESS_A 0x2C  // unshifted slave address for first DIGIPOT
+  #define DIGIPOT_I2C_ADDRESS_B 0x2D  // unshifted slave address for second DIGIPOT
+#endif
+
 //#define DIGIPOT_MCP4018          // Requires library from https://github.com/stawel/SlowSoftI2CMaster
 #define DIGIPOT_I2C_NUM_CHANNELS 8 // 5DPRINT: 4     AZTEEG_X3_PRO: 8
 // Actual motor currents in Amps, need as many here as DIGIPOT_I2C_NUM_CHANNELS

Marlin/example_configurations/delta/generic/Configuration_adv.h

@@ -436,8 +436,21 @@
 //#define DIGIPOT_MOTOR_CURRENT { 135,135,135,135,135 }   // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 //#define DAC_MOTOR_CURRENT_DEFAULT { 70, 80, 90, 80 }    // Default drive percent - X, Y, Z, E axis
 
-// Uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
+// Use an I2C based DIGIPOT (e.g., Azteeg X3 Pro)
 //#define DIGIPOT_I2C
+#if ENABLED(DIGIPOT_I2C) && !defined(DIGIPOT_I2C_ADDRESS_A)
+  /**
+   * Common slave addresses:
+   *
+   *                    A   (A shifted)   B   (B shifted)  IC
+   * Smoothie          0x2C (0x58)       0x2D (0x5A)       MCP4451
+   * AZTEEG_X3_PRO     0x2C (0x58)       0x2E (0x5C)       MCP4451
+   * MIGHTYBOARD_REVE  0x2F (0x5E)                         MCP4018
+   */
+  #define DIGIPOT_I2C_ADDRESS_A 0x2C  // unshifted slave address for first DIGIPOT
+  #define DIGIPOT_I2C_ADDRESS_B 0x2D  // unshifted slave address for second DIGIPOT
+#endif
+
 //#define DIGIPOT_MCP4018          // Requires library from https://github.com/stawel/SlowSoftI2CMaster
 #define DIGIPOT_I2C_NUM_CHANNELS 8 // 5DPRINT: 4     AZTEEG_X3_PRO: 8
 // Actual motor currents in Amps, need as many here as DIGIPOT_I2C_NUM_CHANNELS

Marlin/example_configurations/delta/kossel_mini/Configuration_adv.h

@@ -436,8 +436,21 @@
 //#define DIGIPOT_MOTOR_CURRENT { 135,135,135,135,135 }   // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 //#define DAC_MOTOR_CURRENT_DEFAULT { 70, 80, 90, 80 }    // Default drive percent - X, Y, Z, E axis
 
-// Uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
+// Use an I2C based DIGIPOT (e.g., Azteeg X3 Pro)
 //#define DIGIPOT_I2C
+#if ENABLED(DIGIPOT_I2C) && !defined(DIGIPOT_I2C_ADDRESS_A)
+  /**
+   * Common slave addresses:
+   *
+   *                    A   (A shifted)   B   (B shifted)  IC
+   * Smoothie          0x2C (0x58)       0x2D (0x5A)       MCP4451
+   * AZTEEG_X3_PRO     0x2C (0x58)       0x2E (0x5C)       MCP4451
+   * MIGHTYBOARD_REVE  0x2F (0x5E)                         MCP4018
+   */
+  #define DIGIPOT_I2C_ADDRESS_A 0x2C  // unshifted slave address for first DIGIPOT
+  #define DIGIPOT_I2C_ADDRESS_B 0x2D  // unshifted slave address for second DIGIPOT
+#endif
+
 //#define DIGIPOT_MCP4018          // Requires library from https://github.com/stawel/SlowSoftI2CMaster
 #define DIGIPOT_I2C_NUM_CHANNELS 8 // 5DPRINT: 4     AZTEEG_X3_PRO: 8
 // Actual motor currents in Amps, need as many here as DIGIPOT_I2C_NUM_CHANNELS

Marlin/example_configurations/delta/kossel_pro/Configuration_adv.h

@@ -441,8 +441,21 @@
 //#define DIGIPOT_MOTOR_CURRENT { 135,135,135,135,135 }   // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 //#define DAC_MOTOR_CURRENT_DEFAULT { 70, 80, 90, 80 }    // Default drive percent - X, Y, Z, E axis
 
-// Uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
+// Use an I2C based DIGIPOT (e.g., Azteeg X3 Pro)
 //#define DIGIPOT_I2C
+#if ENABLED(DIGIPOT_I2C) && !defined(DIGIPOT_I2C_ADDRESS_A)
+  /**
+   * Common slave addresses:
+   *
+   *                    A   (A shifted)   B   (B shifted)  IC
+   * Smoothie          0x2C (0x58)       0x2D (0x5A)       MCP4451
+   * AZTEEG_X3_PRO     0x2C (0x58)       0x2E (0x5C)       MCP4451
+   * MIGHTYBOARD_REVE  0x2F (0x5E)                         MCP4018
+   */
+  #define DIGIPOT_I2C_ADDRESS_A 0x2C  // unshifted slave address for first DIGIPOT
+  #define DIGIPOT_I2C_ADDRESS_B 0x2D  // unshifted slave address for second DIGIPOT
+#endif
+
 //#define DIGIPOT_MCP4018          // Requires library from https://github.com/stawel/SlowSoftI2CMaster
 #define DIGIPOT_I2C_NUM_CHANNELS 8 // 5DPRINT: 4     AZTEEG_X3_PRO: 8
 // Actual motor currents in Amps, need as many here as DIGIPOT_I2C_NUM_CHANNELS

Marlin/example_configurations/delta/kossel_xl/Configuration_adv.h

@@ -436,8 +436,21 @@
 //#define DIGIPOT_MOTOR_CURRENT { 135,135,135,135,135 }   // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 //#define DAC_MOTOR_CURRENT_DEFAULT { 70, 80, 90, 80 }    // Default drive percent - X, Y, Z, E axis
 
-// Uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
+// Use an I2C based DIGIPOT (e.g., Azteeg X3 Pro)
 //#define DIGIPOT_I2C
+#if ENABLED(DIGIPOT_I2C) && !defined(DIGIPOT_I2C_ADDRESS_A)
+  /**
+   * Common slave addresses:
+   *
+   *                    A   (A shifted)   B   (B shifted)  IC
+   * Smoothie          0x2C (0x58)       0x2D (0x5A)       MCP4451
+   * AZTEEG_X3_PRO     0x2C (0x58)       0x2E (0x5C)       MCP4451
+   * MIGHTYBOARD_REVE  0x2F (0x5E)                         MCP4018
+   */
+  #define DIGIPOT_I2C_ADDRESS_A 0x2C  // unshifted slave address for first DIGIPOT
+  #define DIGIPOT_I2C_ADDRESS_B 0x2D  // unshifted slave address for second DIGIPOT
+#endif
+
 //#define DIGIPOT_MCP4018          // Requires library from https://github.com/stawel/SlowSoftI2CMaster
 #define DIGIPOT_I2C_NUM_CHANNELS 8 // 5DPRINT: 4     AZTEEG_X3_PRO: 8
 // Actual motor currents in Amps, need as many here as DIGIPOT_I2C_NUM_CHANNELS

Marlin/example_configurations/gCreate/gMax1.5+/Configuration_adv.h

@@ -434,8 +434,21 @@
 //#define DIGIPOT_MOTOR_CURRENT { 135,135,135,135,135 }   // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 //#define DAC_MOTOR_CURRENT_DEFAULT { 70, 80, 90, 80 }    // Default drive percent - X, Y, Z, E axis
 
-// Uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
+// Use an I2C based DIGIPOT (e.g., Azteeg X3 Pro)
 //#define DIGIPOT_I2C
+#if ENABLED(DIGIPOT_I2C) && !defined(DIGIPOT_I2C_ADDRESS_A)
+  /**
+   * Common slave addresses:
+   *
+   *                    A   (A shifted)   B   (B shifted)  IC
+   * Smoothie          0x2C (0x58)       0x2D (0x5A)       MCP4451
+   * AZTEEG_X3_PRO     0x2C (0x58)       0x2E (0x5C)       MCP4451
+   * MIGHTYBOARD_REVE  0x2F (0x5E)                         MCP4018
+   */
+  #define DIGIPOT_I2C_ADDRESS_A 0x2C  // unshifted slave address for first DIGIPOT
+  #define DIGIPOT_I2C_ADDRESS_B 0x2D  // unshifted slave address for second DIGIPOT
+#endif
+
 //#define DIGIPOT_MCP4018          // Requires library from https://github.com/stawel/SlowSoftI2CMaster
 #define DIGIPOT_I2C_NUM_CHANNELS 8 // 5DPRINT: 4     AZTEEG_X3_PRO: 8
 // Actual motor currents in Amps, need as many here as DIGIPOT_I2C_NUM_CHANNELS

Marlin/example_configurations/makibox/Configuration_adv.h

@@ -434,8 +434,21 @@
 //#define DIGIPOT_MOTOR_CURRENT { 135,135,135,135,135 }   // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 //#define DAC_MOTOR_CURRENT_DEFAULT { 70, 80, 90, 80 }    // Default drive percent - X, Y, Z, E axis
 
-// Uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
+// Use an I2C based DIGIPOT (e.g., Azteeg X3 Pro)
 //#define DIGIPOT_I2C
+#if ENABLED(DIGIPOT_I2C) && !defined(DIGIPOT_I2C_ADDRESS_A)
+  /**
+   * Common slave addresses:
+   *
+   *                    A   (A shifted)   B   (B shifted)  IC
+   * Smoothie          0x2C (0x58)       0x2D (0x5A)       MCP4451
+   * AZTEEG_X3_PRO     0x2C (0x58)       0x2E (0x5C)       MCP4451
+   * MIGHTYBOARD_REVE  0x2F (0x5E)                         MCP4018
+   */
+  #define DIGIPOT_I2C_ADDRESS_A 0x2C  // unshifted slave address for first DIGIPOT
+  #define DIGIPOT_I2C_ADDRESS_B 0x2D  // unshifted slave address for second DIGIPOT
+#endif
+
 //#define DIGIPOT_MCP4018          // Requires library from https://github.com/stawel/SlowSoftI2CMaster
 #define DIGIPOT_I2C_NUM_CHANNELS 4 // 5DPRINT: 4     AZTEEG_X3_PRO: 8
 // Actual motor currents in Amps, need as many here as DIGIPOT_I2C_NUM_CHANNELS

Marlin/example_configurations/tvrrug/Round2/Configuration_adv.h

@@ -434,8 +434,21 @@
 //#define DIGIPOT_MOTOR_CURRENT { 135,135,135,135,135 }   // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 //#define DAC_MOTOR_CURRENT_DEFAULT { 70, 80, 90, 80 }    // Default drive percent - X, Y, Z, E axis
 
-// Uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
+// Use an I2C based DIGIPOT (e.g., Azteeg X3 Pro)
 //#define DIGIPOT_I2C
+#if ENABLED(DIGIPOT_I2C) && !defined(DIGIPOT_I2C_ADDRESS_A)
+  /**
+   * Common slave addresses:
+   *
+   *                    A   (A shifted)   B   (B shifted)  IC
+   * Smoothie          0x2C (0x58)       0x2D (0x5A)       MCP4451
+   * AZTEEG_X3_PRO     0x2C (0x58)       0x2E (0x5C)       MCP4451
+   * MIGHTYBOARD_REVE  0x2F (0x5E)                         MCP4018
+   */
+  #define DIGIPOT_I2C_ADDRESS_A 0x2C  // unshifted slave address for first DIGIPOT
+  #define DIGIPOT_I2C_ADDRESS_B 0x2D  // unshifted slave address for second DIGIPOT
+#endif
+
 //#define DIGIPOT_MCP4018          // Requires library from https://github.com/stawel/SlowSoftI2CMaster
 #define DIGIPOT_I2C_NUM_CHANNELS 8 // 5DPRINT: 4     AZTEEG_X3_PRO: 8
 // Actual motor currents in Amps, need as many here as DIGIPOT_I2C_NUM_CHANNELS