diff --git a/src/light9/collector/output.py b/src/light9/collector/output.py
--- a/src/light9/collector/output.py
+++ b/src/light9/collector/output.py
@@ -80,7 +80,7 @@ class BackgroundLoopOutput(Output):
 
     rate: float
 
-    def __init__(self, uri, rate=22):
+    def __init__(self, uri, rate=22.0):
         super().__init__(uri)
         self.rate = rate
         self._currentBuffer = b''
diff --git a/src/light9/collector/service.py b/src/light9/collector/service.py
--- a/src/light9/collector/service.py
+++ b/src/light9/collector/service.py
@@ -108,7 +108,7 @@ def main():
 
     graph = SyncedGraph(networking.rdfdb.url, "collector")
 
-    #devPath, usbAddress = findDevice()
+    devPath, usbAddress = findDevice()
             # if user doesn't have r/w, fail now
     try:
         # todo: drive outputs with config files
@@ -118,7 +118,7 @@ def main():
             #           port=6445,
             #           rate=rate),
             #sudo chmod a+rw /dev/bus/usb/003/021
-#            Udmx(L9['output/dmxA/'], bus=1, address=usbAddress, lastDmxChannel=200, rate=RATE),
+            Udmx(L9['output/dmxA/'], bus=3, address=usbAddress, lastDmxChannel=200, rate=RATE),
         ]
     except Exception:
         log.error("setting up outputs:")