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diff --git a/digital-controller/README.md b/digital-controller/README.md
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+# Digital Controller
+
+The digital driver board can be controlled using a "digital control unit."
+Potential digital control units include Arduino microcontrollers or Rasberry Pi devices.
+These control units can "supervise" the light intensity and fan speed of WPP devices fitted with digital driver boards.
+
+Custom control unit firmware is required to enable  supervision of digital driver boards.
+Open-source firmware for controlling an digital driver board with an Ardunio microcontroller is provided.
+
+Instructions on using this firmware with an Arduino microcontroller is provided in the fabrication and operation instructions. 
diff --git a/digital-controller/controller.kicad_pcb b/digital-controller/arduino-uno-controller/controller.kicad_pcb
index 02c8ecb..02c8ecb 100644
--- a/digital-controller/controller.kicad_pcb
+++ b/digital-controller/arduino-uno-controller/controller.kicad_pcb
diff --git a/digital-controller/controller.pro b/digital-controller/arduino-uno-controller/controller.pro
index 152769c..152769c 100644
--- a/digital-controller/controller.pro
+++ b/digital-controller/arduino-uno-controller/controller.pro
diff --git a/digital-controller/controller.sch b/digital-controller/arduino-uno-controller/controller.sch
index fff8c68..fff8c68 100644
--- a/digital-controller/controller.sch
+++ b/digital-controller/arduino-uno-controller/controller.sch
diff --git a/digital-controller/firmware/firmware.ino b/digital-controller/arduino-uno-controller/firmware/firmware.ino
index e87db8d..e87db8d 100644
--- a/digital-controller/firmware/firmware.ino
+++ b/digital-controller/arduino-uno-controller/firmware/firmware.ino