diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..907059a
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "FW/NCM107-ESP32C3/lib/jcbutton"]
+	path = FW/NCM107-ESP32C3/lib/jcbutton
+	url = https://git.oldemans.nl/libs/JCButton.git
diff --git a/FW/NCM107-ESP32C3/lib/jcbutton b/FW/NCM107-ESP32C3/lib/jcbutton
new file mode 160000
index 0000000..fb3743e
--- /dev/null
+++ b/FW/NCM107-ESP32C3/lib/jcbutton
@@ -0,0 +1 @@
+Subproject commit fb3743eb8d138d2a069092ca2cb4ced1d7892cc2
diff --git a/FW/NCM107-ESP32C3/pins.txt b/FW/NCM107-ESP32C3/pins.txt
index ec90f79..30391d2 100644
--- a/FW/NCM107-ESP32C3/pins.txt
+++ b/FW/NCM107-ESP32C3/pins.txt
@@ -2,7 +2,7 @@ Anode0Pin 5=PD5= PIN 11 (ANT0) ==> GPIO10
 Anode1Pin 7=PD7= PIN 13 (ANT1) ==> GPIO3
 Anode2Pin 8=PB0= PIN 14 (ANT2) ==> GPIO8
 
-LEpin=10=PB2=.   PIN 15 (LE)   ==> GPIO7
+LEpin=10=PB2=    PIN 16 (LE)   ==> GPIO7
 
 MOSI=PB3         PIN 17 (MOSI) ==> GPIO6
 SCK=PB5          PIN 19 (SCK)  ==> GPIO5