Support for Elecrow Thinknode M2

variants/thinknode_m2/variant.h

@@ -0,0 +1,15 @@
+#define I2C_SCL 15
+#define I2C_SDA 16
+#define  PIN_VBAT_READ    17
+#define AREF_VOLTAGE            (3.0)
+#define ADC_MULTIPLIER (1.548F)
+#define PIN_BUZZER 5
+#define PIN_VEXT_EN_ACTIVE HIGH
+#define PIN_VEXT_EN 46
+#define PIN_USER_BTN 47
+#define PIN_LED 6
+#define PIN_STATUS_LED 6
+#define PIN_PWRBTN 4
+
+
+