1 EXHIBIT 23.1 CONSENT OF INDEPENDENT AUDITORS We have issued our report dated May 8, 2000, accompanying the financial statements of A-OK Controls Engineering, Inc. included in the Amended Current Report (Form 8-K/A) of Nematron Corporation. We hereby consent to the incorporation by reference of said report in the Registration Statements of Nematron Corporation on Forms S-3 (File Numbers 333-1314 and 333-15959) and in the registration statements on Forms S-8 (File Numbers 333-1136, 333-1138, 333-1140 and 333-12379). /s/Grant Thornton LLP --------------------- Southfield, Michigan October 25, 2000 18