diff --git a/avr/devices/c03/main/main.asm b/avr/devices/c03/main/main.asm
index 38b21c2..deb8db9 100644
--- a/avr/devices/c03/main/main.asm
+++ b/avr/devices/c03/main/main.asm
@@ -66,11 +66,11 @@
 ;#define MODULES_STATS
 ;#define MODULES_OWI_MASTER
 ;#define MODULES_MOTION
-;#define MODULES_BRIGHTNESS
+#define MODULES_BRIGHTNESS
 
 #define APPS_NETWORK
 ;#define APPS_MOTION
-;#define APPS_REPORTSENSORS
+#define APPS_REPORTSENSORS
 #define APPS_STATS
 
 
@@ -90,6 +90,8 @@
 .equ VALUE_ID_SGP30_TVOC       = 0x09
 .equ VALUE_ID_SGP30_CO2        = 0x0a
 
+.equ VALUE_ID_BRIGHTNESS       = 0x0b
+
 ;.equ VALUE_ID_REED_CONF    = 0x81
 
 .equ VALUE_ID_DEBUG            = 0x7f