Exhibit 17.1 Bruce Galloway 200 East 64th Street New York, NY 10021 October 5, 2006 Gary Herman Chairman of the Board 1717 Diplomacy Row Orlando, FL 32809 Dear Mr. Herman: Effective October 6, 2006 I resign from the board of directors of DataMetrics Corporation. Very truly yours, By: /s/ Bruce Galloway --------------------- Bruce Galloway