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-rw-r--r--variants/gemma/pins_arduino.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/variants/gemma/pins_arduino.h b/variants/gemma/pins_arduino.h
index 1d367a7..3150b6a 100644
--- a/variants/gemma/pins_arduino.h
+++ b/variants/gemma/pins_arduino.h
@@ -42,6 +42,8 @@
// GND 4| |5 PB0 (D 0) pwm0
// +----+
+#define LED_BUILTIN 1
+
static const uint8_t A0 = 6;
static const uint8_t A1 = 7;
static const uint8_t A2 = 8;