diff --git a/.gitignore b/.gitignore
index a6eef6e..03e9bf0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 /target
 docs/_site/
+**/*.pyc
diff --git a/hitl/run.sh b/hitl/run.sh
index 739b6ed..9064c13 100755
--- a/hitl/run.sh
+++ b/hitl/run.sh
@@ -27,6 +27,9 @@ sleep 30
 ping -c 5 -w 20 stabilizer-hitl
 
 # Test the MQTT interface.
-python3 miniconf.py dt/sinara/dual-iir/04-91-62-d9-7e-5f afe/0='"G2"'
-python3 miniconf.py dt/sinara/dual-iir/04-91-62-d9-7e-5f afe/0='"G1"' iir_ch/0/0=\
+python3 -m miniconf dt/sinara/dual-iir/04-91-62-d9-7e-5f afe/0='"G2"'
+python3 -m miniconf dt/sinara/dual-iir/04-91-62-d9-7e-5f afe/0='"G1"' iir_ch/0/0=\
 '{"y_min": -32767, "y_max": 32767, "y_offset": 0, "ba": [1.0, 0, 0, 0, 0]}'
+
+# Test the ADC/DACs connected via loopback.
+python3 hitl/loopback.py dt/sinara/dual-iir/04-91-62-d9-7e-5f
diff --git a/miniconf-py/.gitignore b/miniconf-py/.gitignore
new file mode 100644
index 0000000..ab7ceb0
--- /dev/null
+++ b/miniconf-py/.gitignore
@@ -0,0 +1,3 @@
+__pycache__/
+*.egg
+*.egg-info/
diff --git a/miniconf-py/miniconf.egg-info/PKG-INFO b/miniconf-py/miniconf.egg-info/PKG-INFO
deleted file mode 100644
index 5d1def7..0000000
--- a/miniconf-py/miniconf.egg-info/PKG-INFO
+++ /dev/null
@@ -1,10 +0,0 @@
-Metadata-Version: 1.0
-Name: miniconf
-Version: 1.0.0
-Summary: Utilities for configuring Miniconf-configurable devices
-Home-page: https://github.com/quartiq/miniconf
-Author: Ryan Summers, Robert Jördens
-Author-email: UNKNOWN
-License: UNKNOWN
-Description: UNKNOWN
-Platform: UNKNOWN
diff --git a/miniconf-py/miniconf.egg-info/SOURCES.txt b/miniconf-py/miniconf.egg-info/SOURCES.txt
deleted file mode 100644
index 76eb2ab..0000000
--- a/miniconf-py/miniconf.egg-info/SOURCES.txt
+++ /dev/null
@@ -1,8 +0,0 @@
-setup.py
-miniconf/__init__.py
-miniconf/miniconf.py
-miniconf.egg-info/PKG-INFO
-miniconf.egg-info/SOURCES.txt
-miniconf.egg-info/dependency_links.txt
-miniconf.egg-info/requires.txt
-miniconf.egg-info/top_level.txt
\ No newline at end of file
diff --git a/miniconf-py/miniconf.egg-info/dependency_links.txt b/miniconf-py/miniconf.egg-info/dependency_links.txt
deleted file mode 100644
index 8b13789..0000000
--- a/miniconf-py/miniconf.egg-info/dependency_links.txt
+++ /dev/null
@@ -1 +0,0 @@
-
diff --git a/miniconf-py/miniconf.egg-info/requires.txt b/miniconf-py/miniconf.egg-info/requires.txt
deleted file mode 100644
index a3d7fef..0000000
--- a/miniconf-py/miniconf.egg-info/requires.txt
+++ /dev/null
@@ -1 +0,0 @@
-gmqtt
diff --git a/miniconf-py/miniconf.egg-info/top_level.txt b/miniconf-py/miniconf.egg-info/top_level.txt
deleted file mode 100644
index 6919ef8..0000000
--- a/miniconf-py/miniconf.egg-info/top_level.txt
+++ /dev/null
@@ -1 +0,0 @@
-miniconf
diff --git a/miniconf-py/miniconf/__pycache__/__init__.cpython-38.pyc b/miniconf-py/miniconf/__pycache__/__init__.cpython-38.pyc
deleted file mode 100644
index 5e3ce58..0000000
Binary files a/miniconf-py/miniconf/__pycache__/__init__.cpython-38.pyc and /dev/null differ
diff --git a/miniconf-py/miniconf/__pycache__/miniconf.cpython-38.pyc b/miniconf-py/miniconf/__pycache__/miniconf.cpython-38.pyc
deleted file mode 100644
index 20e804b..0000000
Binary files a/miniconf-py/miniconf/__pycache__/miniconf.cpython-38.pyc and /dev/null differ