Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the use in this Post-Effective Amendment No. 1 to the Registration Statement on Form S-1 of IIOT-OXYS, Inc. of our report dated April 16, 2019, relating to our audit of the December 31, 2017 and 2018 consolidated financial statements, appearing in the Prospectus, which is part of this Registration Statement.
We also consent to the reference to our firm under the caption “Experts” in such Prospectus.
Haynie & Company
Salt Lake City, Utah
April 29, 2019