diff --git a/OpticalChannelTester/Config.h b/OpticalChannelTester/Config.h
index 38a3abc..244b9ac 100644
--- a/OpticalChannelTester/Config.h
+++ b/OpticalChannelTester/Config.h
@@ -5,7 +5,7 @@
 // ------------------------- Hardware configuration -------------------------
 // Enabled for the hand-wired prototype. Comment out for the production PCB.
 // Both profiles map S3 signals by physical header position with 5V/GND aligned.
-#define MAKETKA
+//#define MAKETKA
 
 // Select exactly one populated receiver circuit. Use
 // BOARD_RX_INTERFACE_DIGITAL for MAKETKA and boards fitted with GPIO_RX.
diff --git a/PCB/OptoTest.PcbDoc b/PCB/OptoTest.PcbDoc
index bb59105..ab9aaa2 100644
Binary files a/PCB/OptoTest.PcbDoc and b/PCB/OptoTest.PcbDoc differ
diff --git a/PCB/OptoTest.SchDoc b/PCB/OptoTest.SchDoc
index f853f91..fbedecc 100644
Binary files a/PCB/OptoTest.SchDoc and b/PCB/OptoTest.SchDoc differ
diff --git a/PCB_Charger b/PCB_Charger
index 4f9ed60..adbb733 160000
--- a/PCB_Charger
+++ b/PCB_Charger
@@ -1 +1 @@
-Subproject commit 4f9ed60b457f2a9697b640e32a2cab0a8372dd69
+Subproject commit adbb733cfb4935a1ff9ea057d24c23b849b769bf