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;
| | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

| | 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
| | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

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
| | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

| | 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.
| | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

|Date:   February 19, 2004 |                                       | /s/   Kurt T.  Sadler |  | 
|------------------------- | ------------------------------------- | --------------------- |  | 
|                          |                                      
|                          | Kurt T. SadlerChief Executive Officer |                      

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