diff --git a/examples/companion_radio/UITask.cpp b/examples/companion_radio/UITask.cpp
index 9f5fe5b1..73bd00fc 100644
--- a/examples/companion_radio/UITask.cpp
+++ b/examples/companion_radio/UITask.cpp
@@ -305,7 +305,7 @@ public:
     } else {
       sprintf(tmp, "%dh", secs / (60*60));
     }
-    display.setCursor(display.width() - display.getTextWidth(tmp), 0);
+    display.setCursor(display.width() - display.getTextWidth(tmp) - 2, 0);
     display.print(tmp);
 
     display.drawRect(0, 11, display.width(), 1);  // horiz line
diff --git a/src/helpers/ui/GxEPDDisplay.cpp b/src/helpers/ui/GxEPDDisplay.cpp
index 50df9d10..c3d75bbd 100644
--- a/src/helpers/ui/GxEPDDisplay.cpp
+++ b/src/helpers/ui/GxEPDDisplay.cpp
@@ -68,10 +68,11 @@ void GxEPDDisplay::setTextSize(int sz) {
 }
 
 void GxEPDDisplay::setColor(Color c) {
+  // colours need to be inverted for epaper displays
   if (c == DARK) {
-    display.setTextColor(_curr_color = GxEPD_BLACK);
-  } else {
     display.setTextColor(_curr_color = GxEPD_WHITE);
+  } else {
+    display.setTextColor(_curr_color = GxEPD_BLACK);
   }
 }
 
diff --git a/variants/thinknode_m1/platformio.ini b/variants/thinknode_m1/platformio.ini
index 2104a080..972444ba 100644
--- a/variants/thinknode_m1/platformio.ini
+++ b/variants/thinknode_m1/platformio.ini
@@ -83,6 +83,7 @@ build_src_filter = ${ThinkNode_M1.build_src_filter}
   +<helpers/nrf52/SerialBLEInterface.cpp>
   +<helpers/ui/GxEPDDisplay.cpp>
   +<helpers/ui/buzzer.cpp>
+  +<helpers/ui/MomentaryButton.cpp>
   +<../examples/companion_radio>
 lib_deps =
   ${ThinkNode_M1.lib_deps}
diff --git a/variants/thinknode_m1/target.cpp b/variants/thinknode_m1/target.cpp
index 19230232..2b04d7c6 100644
--- a/variants/thinknode_m1/target.cpp
+++ b/variants/thinknode_m1/target.cpp
@@ -16,6 +16,7 @@ ThinkNodeM1SensorManager sensors = ThinkNodeM1SensorManager(nmea);
 
 #ifdef DISPLAY_CLASS
   DISPLAY_CLASS display;
+  MomentaryButton user_btn(PIN_USER_BTN, 1000, true);
 #endif
 
 bool radio_init() {
diff --git a/variants/thinknode_m1/target.h b/variants/thinknode_m1/target.h
index c938d422..eac221c3 100644
--- a/variants/thinknode_m1/target.h
+++ b/variants/thinknode_m1/target.h
@@ -10,6 +10,7 @@
 #include <helpers/sensors/LocationProvider.h>
 #ifdef DISPLAY_CLASS
   #include <helpers/ui/GxEPDDisplay.h>
+  #include <helpers/ui/MomentaryButton.h>
 #endif
 
 class ThinkNodeM1SensorManager : public SensorManager {
@@ -37,6 +38,7 @@ extern ThinkNodeM1SensorManager sensors;
 
 #ifdef DISPLAY_CLASS
   extern DISPLAY_CLASS display;
+  extern MomentaryButton user_btn;
 #endif
 
 bool radio_init();