Exhibit 23.10 CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS We hereby consent to the use, in this Registration Statement on Form SB-2, of our report dated February 28, 1997, except for Note 12 as to which the date is April 25, 1997 relating to the financial statements of ProtoSource Corporation for the years ended December 31, 1996 and 1995 and the reference to our firm under the caption "Experts" in the Prospectus contained in said Registration Statement. Angell & Deering Certified Public Accountants Denver, Colorado November 18, 1997