diff --git a/hardware.inc b/hardware.inc
index a0726ed..7455c40 100644
--- a/hardware.inc
+++ b/hardware.inc
@@ -33,6 +33,7 @@
 ;* Rev 4.5 - 03-Mar-22 : Added bit number definitions for OCPS, BCPS and LCDC (sukus)
 ;* Rev 4.6 - 15-Jun-22 : Added MBC3 registers and special values
 ;* Rev 4.7.0 - 27-Jun-22 : Added alternate names for some constants
+;* Rev 4.7.1 - 05-Jul-22 : Added RPB_LED_ON constant
 
 ; NOTE: REVISION NUMBER CHANGES MUST BE REFLECTED
 ; IN `rev_Check_hardware_inc` BELOW!
@@ -51,8 +52,7 @@ DEF HARDWARE_INC EQU 1
 ;           rev_Check_hardware_inc 4.1 (equivalent to 4.1.0)
 ;           rev_Check_hardware_inc 4 (equivalent to 4.0.0)
 MACRO rev_Check_hardware_inc
-    DEF CUR_VER equs "4,7,0"    ; ** UPDATE THIS LINE WHEN CHANGING THE REVISION NUMBER **
-
+    DEF CUR_VER equs "4,7,1"    ; ** UPDATE THIS LINE WHEN CHANGING THE REVISION NUMBER **
     DEF MIN_VER equs STRRPL("\1", ".", ",")
     DEF INTERNAL_CHK equs """MACRO ___internal
     IF \\1 != \\4 || \\2 < \\5 || (\\2 == \\5 && \\3 < \\6)
@@ -746,6 +746,7 @@ DEF RPF_DATAIN   EQU %00000010 ; 0=Receiving IR Signal, 1=Normal
 DEF RPF_WRITE_HI EQU %00000001
 DEF RPF_WRITE_LO EQU %00000000
 
+DEF RPB_LED_ON   EQU 0
 DEF RPB_DATAIN   EQU 1