Feature parity between Pico and Pico W (#3538)

variants/rpipicow/variant.h

@@ -21,6 +21,8 @@
 #define EXT_NOTIFY_OUT 22
 #define BUTTON_PIN 17
 
+#define LED_PIN LED_BUILTIN
+
 #define BATTERY_PIN 26
 // ratio of voltage divider = 3.0 (R17=200k, R18=100k)
 #define ADC_MULTIPLIER 3.1 // 3.0 + a bit for being optimistic
@@ -51,4 +53,4 @@
 #define SX126X_RESET LORA_RESET
 #define SX126X_DIO2_AS_RF_SWITCH
 #define SX126X_DIO3_TCXO_VOLTAGE 1.8
-#endif
+#endif