diff --git a/usb/mess-up-leds.js b/usb/mess-up-leds.js
new file mode 100755
index 00000000..8d05ca48
--- /dev/null
+++ b/usb/mess-up-leds.js
@@ -0,0 +1,9 @@
+#!/usr/bin/env node
+let uhk = require('./uhk');
+const LED_CONTROL_REGISTER = 0;
+uhk.sendUsbPackets([
+    new Buffer([uhk.usbCommands.writeLedDriver, uhk.leftLedDriverAddress, 18, LED_CONTROL_REGISTER,
+                0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff]),
+    new Buffer([uhk.usbCommands.writeLedDriver, uhk.rightLedDriverAddress, 18, LED_CONTROL_REGISTER,
+                0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff])
+]);