diff --git a/platform/osd-er-lp24/dev/ds1820.c b/platform/osd-er-lp24/dev/ds1820.c
index 88e395166..9de3fc8a9 100644
--- a/platform/osd-er-lp24/dev/ds1820.c
+++ b/platform/osd-er-lp24/dev/ds1820.c
@@ -59,7 +59,8 @@ unsigned char ds1820_ok[8];
 
 /* 1-wire is at PortE.3 */
 #define SERIAL_ID_PIN_READ PINE
-#define SERIAL_ID_PIN_MASK _BV(PE3)
+//#define SERIAL_ID_PIN_MASK _BV(PE3)
+#define SERIAL_ID_PIN_MASK _BV(PE4)
 #define SERIAL_ID_PxOUT PORTE
 #define SERIAL_ID_PxDIR DDRE
 
diff --git a/platform/osd-er-lp24/dev/led.c b/platform/osd-er-lp24/dev/led.c
index 1508cf48c..8f330e13a 100644
--- a/platform/osd-er-lp24/dev/led.c
+++ b/platform/osd-er-lp24/dev/led.c
@@ -68,3 +68,22 @@ led1_off(void)
     PORTE |= (1<<PINE5);
 }
 /*---------------------------------------------------------------------------*/
+void
+led2_on(void)
+{
+    DDRE  |=  (1<<PINE4);
+    PORTE &= ~(1<<PINE4);
+}
+
+/*---------------------------------------------------------------------------*/
+
+/**
+ *  \brief Turns the Raven LED1 off.
+*/
+void
+led2_off(void)
+{
+    DDRE  |= (1<<PINE4);
+    PORTE |= (1<<PINE4);
+}
+/*---------------------------------------------------------------------------*/
diff --git a/platform/osd-er-lp24/dev/led.h b/platform/osd-er-lp24/dev/led.h
index 68ed89ab4..ffa753859 100644
--- a/platform/osd-er-lp24/dev/led.h
+++ b/platform/osd-er-lp24/dev/led.h
@@ -47,6 +47,8 @@
 /** @{ */
 void led1_on(void);
 void led1_off(void);
+void led2_on(void);
+void led2_off(void);
 /** @} */
 
 #endif /* __LED_H__ */