EXHIBIT 23.1

            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the  incorporation by reference in the Registration  Statements on
Form S-8 (Nos. 333-48364, 333-38420, 333-31696, 333-93117, 333-92327, 333-11294,
333-88421,  333-39553,  333-106742 and  333-118776) of our report dated February
20, 2004 (with  respect to Note 17,  March 1, 2004,  with respect to the reverse
stock split,  April 5, 2004, with respect to the disposal of the Medical Systems
division on April 19, 2004 and  reclassified  from  continuing  to  discontinued
operations) on our audits of the  consolidated  financial  statements of Applied
Digital  Solutions,  Inc. and  subsidiaries as of December 31, 2003 and 2002 and
for each of the years in the  two-year  period  ended  December  31,  2003,  and
related  financial  statement  schedules  included in the Annual  Report on Form
10-K, as amended.

Eisner LLP

New York, New York
September 22, 2004