Clarify that this project requires special firmware

nylen · Aug 10, 2017 · 24a9e34 · 24a9e34
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diff --git a/README.md b/README.md
@@ -7,3 +7,10 @@ I'm using this to automate occasional reboots of a server that shows a BIOS
 error with "Press F1 to continue" every time it reboots.
 
 Based on http://mitchtech.net/arduino-usb-hid-keyboard/.
+
+Requires reflashing the USB controller on the Arduino with a special firmware
+(on my Arduino, this is an ATmega16U2 chip).  See also the
+[relevant Arduino docs](https://www.arduino.cc/en/Hacking/DFUProgramming8U2)
+and
+[`reflash.sh`](reflash.sh)
+in this respository.
diff --git a/reflash.sh b/reflash.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-echo "Inspect this script and rather than running it directly"
+echo "Don't run this script directly; inspect it and take what you need"
 exit 1
 
 # http://mitchtech.net/arduino-usb-hid-keyboard/ uses at90usb82 but only