diff --git a/samples/drivers/dac/boards/arduino_giga_r1_stm32h747xx_m7.overlay b/samples/drivers/dac/boards/arduino_giga_r1_stm32h747xx_m7.overlay
new file mode 100644
index 00000000000..688d9868776
--- /dev/null
+++ b/samples/drivers/dac/boards/arduino_giga_r1_stm32h747xx_m7.overlay
@@ -0,0 +1,7 @@
+/ {
+	zephyr,user {
+		dac = <&dac1>;
+		dac-channel-id = <1>;
+		dac-resolution = <12>;
+	};
+};