EXHIBIT 31.1

SARBANES-OXLEY SECTION 302
CERTIFICATION

I, Russell W. Mitchell, Chief Executive Officer and
Chief Financial 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:

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| | 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                                                                                                                                                                                                                                                           
| |                                                                                                                                                                                                                                                                                                                                                                                                                                                 
| | 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):

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

|                   |                         | 
|------------------ | ----------------------- | 
|Date: May 12, 2006 | /s/ Russell W. Mitchell | 
|                   |                         | 
|                   | Russell W. Mitchell    
|                   | Chief Executive Officer
|                   | Chief Financial Officer

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