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                                                                    EXHIBIT 23.1



                          Consent of BDO Seidman, LLP


The Board of Directors
Logic Devices Incorporated


We consent to the use of our report included herein, dated January 8, 1999,
relating to the consolidated balance sheet of Logic Devices Incorporated (the
Company) as of September 30, 1998, and the related statements of operations,
shareholders' equity and cash flows and related schedules for each of the nine
months ended September 30, 1998. Our report contains an explanatory paragraph
regarding the Company's ability to continue as a going concern. The consolidated
financial statements of Logic Devices Incorporated and subsidiary as of December
31, 1997 and 1996 and for each of the two years then ended, were audited by
Meredith, Cardozo, Lanz and Chiu LLP, whose practice has been combined with our
Firm and whose report dated March 2, 1998 expressed an unqualified opinion on
those statements.

Meredith, Cardozo, Lanz and Chiu LLP consents to the incorporation by reference
of such reports into the Registration Statement on Form S-3 filed by the Company
with the Securities and Exchange Commission (SEC) on November 21, 1996
[Registration No. 333-16591], into the Registration Statement on Form S-8 filed
by the Company with the SEC on September 28, 1993 [File No. 33-69630], into the
Registration Statement on Form S-8 filed by the Company with the SEC on July 7,
1995 [Registration No. 33-60993] and the Registration Statement on Form S-8
filed by the Company with the SEC on August 7, 1997 [Registration No.
333-32819].



BDO Seidman, LLP                            Meredith, Cardozo, Lanz & Chiu LLP
San Jose, California                        San Jose, California
January 8, 1999                             January 8, 1999



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