Firmware hinzugefügt

firmware/boards/nrf52840dk_nrf52840.overlay

@@ -0,0 +1,20 @@
+/ {
+    zephyr,user {
+        io-channels = <&adc 0>;
+    };
+};
+
+&adc {
+    status = "okay";
+    #address-cells = <1>;
+    #size-cells = <0>;
+
+    channel@0 {
+        reg = <0>;
+        zephyr,gain = "ADC_GAIN_1_6";
+        zephyr,reference = "ADC_REF_INTERNAL"; // Intern 0.6V
+        zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
+        zephyr,input-positive = <NRF_SAADC_VDD>; // Hier greift er intern VDD ab!
+        zephyr,resolution = <12>;
+    };
+};