**Exhibit 31.2**

**CERTIFICATION PURSUANT TO**

**SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002**

I, Raja H. Venkatesh, Chief Financial Officer of DayStar Technologies, Inc., certify that: 

1. I have reviewed this quarterly report on Form 10-QSB of DayStar Technologies, Inc. for the three months ended June 30, 2007; 

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 thestatements 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 theregistrant as of, and for, the periods presented in this report; 

4. The registrant’s other certifying officers and I are responsiblefor establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e) and internal control over financial reporting as defined in Exchange Act Rules 13a-15(e) and 15(d)-(15(f)) for theregistrant and have: 

(a) Designed such disclosure controls and procedures, or caused such disclosure controls andprocedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in whichthis report is being prepared; 

(b) Designed such internal control over financial reporting or caused such internal controlover financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally acceptedaccounting principles. 

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures andpresented in this report our conclusions about the effectiveness of the disclosure controls and procedures as of the end of the period covered by this report based on such evaluation; and 

(D) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during theregistrant’s most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and 

5. The registrant’s other certifying officers and I have disclosed, based on our most recent evaluation, to the registrant’s auditors and theaudit committee of registrant’s board of directors (or persons performing the equivalent functions): 

(a) Allsignificant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financialinformation; and 

(b) Any fraud, whether or not material, that involves management or other employees who have a significantrole in the registrant’s internal control over financial reporting. 

Date: August 3, 2007