1. Gathering materials

  • Indium tin oxide coated glass slides, surface resistivity: ≤ 10Ω/sq, transmittance: 83% (nominal at 500 mm), L*W*thickness: 100*100*1.1mm, coating thickness 1850±200Å
  • Titanium(IV) oxide
  • Lugol's solution (5% iodine, 10% potassium iodide)
  • LCD watch module from a potato watch science kit, starts to work at approx. 1.0V