diff --git a/.gitignore b/.gitignore
index 5d381cc..64b39f0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -160,3 +160,5 @@ cython_debug/
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
 #.idea/
 
+# Virtual env
+ve/
diff --git a/pnpdevice/__init__.py b/pnpdevice/__init__.py
new file mode 100644
index 0000000..7b192e9
--- /dev/null
+++ b/pnpdevice/__init__.py
@@ -0,0 +1,2 @@
+"Software for controlling a pool and pump device."
+__version__ = "0.1"
diff --git a/pnpdevice/main.py b/pnpdevice/main.py
new file mode 100644
index 0000000..bc1f03a
--- /dev/null
+++ b/pnpdevice/main.py
@@ -0,0 +1,2 @@
+def main():
+	print("Hello, world")
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..79e4d59
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,24 @@
+[project]
+name = "pnpdevice"
+authors = [
+    { name = "Eli Ribble", email = "eli@theribbles.org"}
+]
+dependencies = [
+    "zeroconf"
+]
+dynamic = ["version", "description"]
+
+[project.scripts]
+pnpdevice = "pnpdevice:main.main"
+
+[project.urls]
+Home = "https://source.theribbles.org/eliribble/pnpdevice"
+
+[project.optional-dependencies]
+dev = [
+    "pre-commit",
+]
+
+[build-system]
+build-backend = "flit_core.buildapi"
+requires = ["flit_core >=3.2,<4"]