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diff --git a/guile/starlet/fixture-library/tadm/led-bar.scm b/guile/starlet/fixture-library/tadm/led-bar.scm
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+;;
+;; starlet/fixture-library/tadm/led-bar.scm
+;;
+;; Copyright © 2020-2022 Thomas White <taw@bitwiz.org.uk>
+;;
+;; This file is part of Starlet.
+;;
+;; Starlet is free software: you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+;;
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+;;
+;; You should have received a copy of the GNU General Public License
+;; along with this program.  If not, see <http://www.gnu.org/licenses/>.
+;;
+(define-module (starlet fixture-library tadm led-bar)
+  #:use-module (starlet scanout)
+  #:use-module (starlet fixture)
+  #:use-module (starlet attributes)
+  #:use-module (starlet colours)
+  #:use-module (starlet utils)
+  #:use-module (starlet attributes)
+  #:export (<tadm-led-bar>))
+
+(define-fixture
+
+  <tadm-led-bar>
+
+  (fixture-attributes
+    (attr-continuous intensity '(0 100) 0)
+    (attr-colour colour white))
+
+  (let ((intensity (get-attr intensity))
+        (rgb (colour-as-rgb (get-attr colour))))
+    (set-chan8 1 17)
+    (set-chan8 2 (percent->dmxval8 intensity))
+    (set-chan8 3 0)
+    (set-chan8 4 (percent->dmxval8 (car rgb)))
+    (set-chan8 5 (percent->dmxval8 (cadr rgb)))
+    (set-chan8 6 (percent->dmxval8 (caddr rgb)))))
+