diff --git a/app/boards/arm/bluemicro840/bluemicro840_v1.dts b/app/boards/arm/bluemicro840/bluemicro840_v1.dts
index ac8ba56e..32aa2e6f 100644
--- a/app/boards/arm/bluemicro840/bluemicro840_v1.dts
+++ b/app/boards/arm/bluemicro840/bluemicro840_v1.dts
@@ -39,6 +39,10 @@
 
 };
 
+&adc {
+	status = "okay";
+};
+
 &gpio0 {
 	status = "okay";
 };
diff --git a/app/boards/arm/nice_nano/nice_nano.dts b/app/boards/arm/nice_nano/nice_nano.dts
index 997d195a..18195412 100644
--- a/app/boards/arm/nice_nano/nice_nano.dts
+++ b/app/boards/arm/nice_nano/nice_nano.dts
@@ -28,8 +28,8 @@
 			label = "Blue LED";
 		};
 	};
-  
-  ext-power {
+
+	ext-power {
 		compatible = "zmk,ext-power-generic";
 		label = "EXT_POWER";
 		control-gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
diff --git a/app/boards/arm/nrfmicro/nrfmicro_13.dts b/app/boards/arm/nrfmicro/nrfmicro_13.dts
index ae6c1af8..5ae11ba0 100644
--- a/app/boards/arm/nrfmicro/nrfmicro_13.dts
+++ b/app/boards/arm/nrfmicro/nrfmicro_13.dts
@@ -25,8 +25,8 @@
 			label = "Blue LED";
 		};
 	};
-  
-  ext-power {
+
+	ext-power {
 		compatible = "zmk,ext-power-generic";
 		label = "EXT_POWER";
 		control-gpios = <&gpio1 9 GPIO_ACTIVE_LOW>;