diff --git a/embedded-mcu-hal/src/lib.rs b/embedded-mcu-hal/src/lib.rs
index 0b7ae05..f148106 100644
--- a/embedded-mcu-hal/src/lib.rs
+++ b/embedded-mcu-hal/src/lib.rs
@@ -5,3 +5,5 @@ pub mod time;
 /// Traits for NVRAM (Non-Volatile Random Access Memory) storage and management.
 mod nvram;
 pub use nvram::{Nvram, NvramStorage};
+
+pub mod watchdog;
diff --git a/embedded-mcu-hal/src/watchdog.rs b/embedded-mcu-hal/src/watchdog.rs
new file mode 100644
index 0000000..eb6ce65
--- /dev/null
+++ b/embedded-mcu-hal/src/watchdog.rs
@@ -0,0 +1,21 @@
+//! Traits for interactions with a processor's watchdog timer.
+
+/// Feeds an existing watchdog to ensure the processor isn't reset.
+pub trait Watchdog: Send {
+    /// An enumeration of `Watchdog` errors.
+    ///
+    type Error: core::fmt::Debug;
+
+    /// Restarts the countdown on the watchdog. This must be done once the watchdog is started
+    /// to prevent the processor being reset.
+    ///
+    fn feed(&mut self) -> Result<(), Self::Error>;
+}
+
+impl<T: Watchdog> Watchdog for &mut T {
+    type Error = T::Error;
+
+    fn feed(&mut self) -> Result<(), Self::Error> {
+        T::feed(self)
+    }
+}