diff --git a/rf-analyzer/rf-analyzer.sch b/rf-analyzer/rf-analyzer.sch
index 698ae17da4db7285ac51dc1d2a3432212e585448..25aa19986764568c4cd979b708e4b5d177386b54 100644
--- a/rf-analyzer/rf-analyzer.sch
+++ b/rf-analyzer/rf-analyzer.sch
@@ -1045,23 +1045,23 @@ $EndComp
 $Comp
 L power:+5V #PWR0129
 U 1 1 5C60E1CE
-P 1050 7200
-F 0 "#PWR0129" H 1050 7050 50  0001 C CNN
-F 1 "+5V" H 1065 7373 50  0000 C CNN
-F 2 "" H 1050 7200 50  0001 C CNN
-F 3 "" H 1050 7200 50  0001 C CNN
-	1    1050 7200
+P 1050 7300
+F 0 "#PWR0129" H 1050 7150 50  0001 C CNN
+F 1 "+5V" H 1065 7473 50  0000 C CNN
+F 2 "" H 1050 7300 50  0001 C CNN
+F 3 "" H 1050 7300 50  0001 C CNN
+	1    1050 7300
 	1    0    0    -1  
 $EndComp
 $Comp
 L power:GNDA #PWR0130
 U 1 1 5C62106F
-P 1050 6650
-F 0 "#PWR0130" H 1050 6400 50  0001 C CNN
-F 1 "GNDA" H 1055 6477 50  0000 C CNN
-F 2 "" H 1050 6650 50  0001 C CNN
-F 3 "" H 1050 6650 50  0001 C CNN
-	1    1050 6650
+P 1050 6550
+F 0 "#PWR0130" H 1050 6300 50  0001 C CNN
+F 1 "GNDA" H 1055 6377 50  0000 C CNN
+F 2 "" H 1050 6550 50  0001 C CNN
+F 3 "" H 1050 6550 50  0001 C CNN
+	1    1050 6550
 	1    0    0    -1  
 $EndComp
 $Comp
@@ -1335,11 +1335,9 @@ $EndComp
 Wire Wire Line
 	1200 6550 1050 6550
 Wire Wire Line
-	1050 6550 1050 6650
+	1050 7300 1050 7350
 Wire Wire Line
-	1050 7200 1050 7250
-Wire Wire Line
-	1050 7250 1200 7250
+	1050 7350 1200 7350
 Text GLabel 1050 4300 0    50   Input ~ 0
 SCL
 Text GLabel 1050 4100 0    50   Input ~ 0
@@ -1557,4 +1555,35 @@ Wire Notes Line
 Wire Notes Line
 	9950 3950 8650 3950
 Connection ~ 9900 800 
+$Comp
+L power:+3.3V #PWR?
+U 1 1 60417FFB
+P 1050 7050
+F 0 "#PWR?" H 1050 6900 50  0001 C CNN
+F 1 "+3.3V" H 1065 7223 50  0000 C CNN
+F 2 "" H 1050 7050 50  0001 C CNN
+F 3 "" H 1050 7050 50  0001 C CNN
+	1    1050 7050
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	1050 7050 1200 7050
+Wire Wire Line
+	1200 6950 1200 6850
+Wire Wire Line
+	1200 6850 1200 6750
+Connection ~ 1200 6850
+Wire Wire Line
+	1200 6750 1200 6650
+Connection ~ 1200 6750
+Wire Wire Line
+	1200 6650 1200 6550
+Connection ~ 1200 6650
+Connection ~ 1200 6550
+Wire Wire Line
+	1200 7350 1200 7250
+Connection ~ 1200 7350
+Wire Wire Line
+	1200 7250 1200 7150
+Connection ~ 1200 7250
 $EndSCHEMATC