chenset
diff --git a/‎variants/m5stack_atom/pins_arduino.h
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+3-1Lines changed: 3 additions & 1 deletion b/‎variants/m5stack_atom/pins_arduino.h
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+3-1Lines changed: 3 additions & 1 deletion
diff --git a/‎variants/m5stack_fire/pins_arduino.h
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+3Lines changed: 3 additions & 0 deletions b/‎variants/m5stack_fire/pins_arduino.h
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+3Lines changed: 3 additions & 0 deletions
diff --git a/‎variants/m5stick_c/pins_arduino.h
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+3Lines changed: 3 additions & 0 deletions b/‎variants/m5stick_c/pins_arduino.h
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+3Lines changed: 3 additions & 0 deletions
@@ -14,10 +14,12 @@
 static const uint8_t TX = 1;
 static const uint8_t RX = 3;
 
+static const uint8_t TXD2 = 32;
+static const uint8_t RXD2 = 26;
+
 static const uint8_t SDA = 26;
 static const uint8_t SCL = 32;
 
-
 static const uint8_t G12 = 12;
 static const uint8_t G19 = 19;
 static const uint8_t G21 = 21;
 
@@ -14,6 +14,9 @@
 static const uint8_t TX = 1;
 static const uint8_t RX = 3;
 
+static const uint8_t TXD2 = 17;
+static const uint8_t RXD2 = 16;
+
 static const uint8_t SDA = 21;
 static const uint8_t SCL = 22;
 
 
@@ -14,6 +14,9 @@
 static const uint8_t TX = 1;
 static const uint8_t RX = 3;
 
+static const uint8_t TXD2 = 33;
+static const uint8_t RXD2 = 32;
+
 static const uint8_t SDA = 32;
 static const uint8_t SCL = 33;