diff --git a/Datasheets/M25P16.pdf b/Datasheets/M25P16.pdf
new file mode 100644
index 0000000..29a197b
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diff --git a/Datasheets/MPU-6000-Datasheet.pdf b/Datasheets/MPU-6000-Datasheet.pdf
index 8e5ac97..4922bee 100644
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diff --git a/Datasheets/MPU-6000-Register-Map.pdf b/Datasheets/MPU-6000-Register-Map.pdf
new file mode 100644
index 0000000..2677c83
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diff --git a/src/targets/revo_f4/pins.h b/src/targets/revo_f4/pins.h
index 7d3d68a..5dd8d38 100644
--- a/src/targets/revo_f4/pins.h
+++ b/src/targets/revo_f4/pins.h
@@ -7,23 +7,40 @@
 extern "C" {
 #endif
 
+namespace targets {
+namespace revo_f4 {
+
 typedef enum
 {
-    ledBlue = PB_5,
-    ledOrange = PB_4,
-    sensV = PC_2,
-    sensC = PC_1,
+    // Onboard leds
+    PIN_BLUE_LED   = PB_5,
+    PIN_ORANGE_LED = PB_4,
 
-    MPU_MOSI = PA_7,
-    MPU_MISO = PA_6,
-    MPU_SCLK = PA_5,
-    MPU_NSS  = PA_4,
+    // Analog sensors
+    PIN_VOLTAGE_SENSOR = PC_2,
+    PIN_CURRENT_SENSOR = PC_1,
 
-    COMPASS_SCL = PB_8,
-    COMPASS_SDA = PB_9,
+    // MPU SPI pins
+    PIN_MPU_MOSI = PA_7,
+    PIN_MPU_MISO = PA_6,
+    PIN_MPU_SCLK = PA_5,
+    PIN_MPU_NSS  = PA_4,
+
+    // Flash SPI pins
+    PIN_FLASH_MOSI = PC_12,
+    PIN_FLASH_MISO = PC_11,
+    PIN_FLASH_SCLK = PC_10,
+    PIN_FLASH_NSS  = PA_15,
+
+    // Compass i2c pins
+    PIN_COMPASS_SCL = PB_8,
+    PIN_COMPASS_SDA = PB_9,
 
 } PinMap;
 
+} // namespace revo_f4
+} // namespace targets
+
 #ifdef __cplusplus
 }
 #endif