migrate to c3

src/main.cpp

@@ -2,7 +2,7 @@
  * WijiBoard – BLE Stepper Controller Firmware
  * src/main.cpp
  *
- * Board  : Waveshare ESP32-S3-Zero (or compatible ESP32-S3)
+ * Board  : Tenstar Robot ESP32-C3 Super Mini (or compatible ESP32-C3)
  * Steppers: Two 28BYJ-48 via ULN2003 (AccelStepper, FULL4WIRE mode)
  *
  * BLE Command Characteristic (WRITE_NR):
@@ -35,16 +35,16 @@
 
 // ─── Motor pin mapping (28BYJ-48 / ULN2003) ──────────────────────
 // Motor 1 – Shoulder
-#define M1_IN1 4
-#define M1_IN2 5
-#define M1_IN3 6
-#define M1_IN4 7
+#define M1_IN1 0
+#define M1_IN2 1
+#define M1_IN3 3
+#define M1_IN4 4
 
 // Motor 2 – Elbow
-#define M2_IN1 8
-#define M2_IN2 9
-#define M2_IN3 10
-#define M2_IN4 11
+#define M2_IN1 5
+#define M2_IN2 6
+#define M2_IN3 7
+#define M2_IN4 10
 
 // ─── Stepper constants ────────────────────────────────────────────
 #define STEPS_PER_REV 2048