The voting systems used in Connecticut are the optical scan and DRE.

The voting systems used in Idaho are optical scan and hand-counted paper ballots.

The voting machine systems used in Hawaii are optical scan and DRE.

The voting machine systems used in New Mexico are optical scan.

The voting systems used in Ohio are optical scan and DRE.

The voting systems used in Texas are optical scan, DRE and paper ballots.

The voting systems used in Tennessee are Optical Scan and DRE.

The voting system used in South Carolina is a paper-based voting system.

Paper-Based Voting System: After signing in at your polling place, voters are given a blank ballot card to insert into the voting machine. Voters then make their selections by touching the screen on the voting machine. After completing the last page, hit the "next" button on the machine to review your selections. You can change a selection at this time, or move forward with the process by clicking "next." 

The voting systems used in Wisconsin are optical scan, DRE, and paper ballots.