Can I fund my non profit from my income for tax credits?

Yes. You may donate to a non-profit even if you are the founder or are on the board. If the amount you donate takes you above the federal standard tax deduction, then you can use that donation to reduce your tax burden. (Not a tax credit though- donations are tax deductions.)

Note that if you decide to pay yourself a salary from the non-profit, you would still have to pay regular taxes on that income, including FICA taxes again, and the corporation would also have to pay the employer portion of FICA taxes. This means while you are the only donor, overall you'd probably be better off not paying yourself any salary from the non-profit, and instead only donating enough money to cover expenses (which could possibly include some amount of future expenses too).