EXHIBIT 31.1

# SARBANES-OXLEY SECTION 302 CERTIFICATION

I, Kurt T. Sadler, President and Chief Executive Officer of Dotronix, Inc.,
certify that:

1.    I have reviewed this report on Form 10-QSB of Dotronix, Inc.;

2.    Based on my knowledge, this report does not contain
any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the
circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.    Based on my knowledge, the financial statements,
and other financial information included in this report, fairly present in all material respects the financial condition, results
of operations and cash flows of the small business issuer as of, and for, the periods presented in this report;

4.    The small business issuers other certifying
officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act
Rules 13a-15(e) and 15d-15(e)) for the small business issuer and have:

|a) | Designed such disclosure
controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that
material information relating to the small business issuer, including its consolidated subsidiaries, is made known to us by others
within those entities, particularly during the period in which this report is being prepared;
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|b) | Evaluated the effectiveness of
the small business issuers disclosure controls and procedures as of the end of the period covered by this report based on
such evaluation; and
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|c) | Disclosed in this report any
change in the small business issuers internal control over financial reporting that occurred during the small business
issuers most recent fiscal quarter (the small business issuers fourth fiscal quarter in the case of an annual report)
that has materially affected, or is reasonably likely to materially affect, the small business issuers internal control over
financial reporting; and
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5.    The small business issuers other certifying
officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the small
business issuers auditors and the audit committee of small business issuers board of directors (or persons performing
the equivalent functions):

|a) | All significant deficiencies
and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to
adversely affect the small business issuers ability to record, process, summarize and report financial information; and
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|b) | Any fraud, whether or not
material, that involves management or other employees who have a significant role in the small business issuers internal
control over financial reporting.
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|Dated:   November 12, 2004 |                                       |  | /s/   Kurt T. Sadler |  | 
|-------------------------- | ------------------------------------- |  | -------------------- |  | 
|                           |                                      
|                           | Kurt T. SadlerChief Executive Officer | 



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