diff --git a/pkgs/development/python-modules/pyw800rf32/default.nix b/pkgs/development/python-modules/pyw800rf32/default.nix
new file mode 100644
index 000000000000..b7a9b73b4640
--- /dev/null
+++ b/pkgs/development/python-modules/pyw800rf32/default.nix
@@ -0,0 +1,34 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchPypi,
+  setuptools,
+  pyserial,
+}:
+
+buildPythonPackage rec {
+  pname = "pyW800rf32";
+  version = "0.4";
+  pyproject = true;
+
+  src = fetchPypi {
+    inherit pname version;
+    hash = "sha256-i0XXqohKY5pWIjcOCUxUQdx/FSSqgTnTaWcDxnIYjMk=";
+  };
+
+  build-system = [ setuptools ];
+
+  dependencies = [ pyserial ];
+
+  pythonImportsCheck = [ "W800rf32" ];
+
+  # upstream has no tests
+  doCheck = false;
+
+  meta = {
+    description = "Python library to communicate with the W800rf32 family of devices";
+    homepage = "https://github.com/horga83/pyW800rf32";
+    license = lib.licenses.lgpl3Plus;
+    maintainers = [ lib.maintainers.jamiemagee ];
+  };
+}
diff --git a/pkgs/servers/home-assistant/component-packages.nix b/pkgs/servers/home-assistant/component-packages.nix
index 93c946c62e9c..f6ec28d256e9 100644
--- a/pkgs/servers/home-assistant/component-packages.nix
+++ b/pkgs/servers/home-assistant/component-packages.nix
@@ -6471,7 +6471,8 @@
       ];
     "w800rf32" =
       ps: with ps; [
-      ]; # missing inputs: pyW800rf32
+        pyw800rf32
+      ];
     "wake_on_lan" =
       ps: with ps; [
         wakeonlan
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 9c528668dfd1..1cd74042a1f0 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -15191,6 +15191,8 @@ self: super: with self; {
 
   pyw215 = callPackage ../development/python-modules/pyw215 { };
 
+  pyw800rf32 = callPackage ../development/python-modules/pyw800rf32 { };
+
   pywal = callPackage ../development/python-modules/pywal { };
 
   pywatchman = callPackage ../development/python-modules/pywatchman { };