EXHIBIT 23.1 CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS We hereby consent to the incorporation by reference in the Registration Statement on Form S-3 (SEC File no. 333-16591), the Registration Statement on Form S-8 (SEC File no. 33-69630), and the Registration Statement on Form S-8 (SEC File no. 33-60993) of our report dated November 30, 1999, relating to the consolidated financial statements and schedule of Logic Devices Incorporated appearing in the Company's Annual Report on Form 10-K for the fiscal year ended October 3, 1999. Meredith, Cardozo, Lanz & Chiu LLP hereby consent to the incorporation by reference in the registration statements referred to above of our report dated March 2, 1998. /s/ BDO Seidman, LLP /s/ Meredith, Cardozo, Lanz & Chiu LLP - ------------------------ ---------------------------------------- BDO Seidman, LLP Meredith, Cardozo, Lanz & Chiu LLP San Jose, California San Jose, California December 30, 1999 December 30, 1999 41