A pressure sensor module of the invention includes a pressure sensor and a laminar substrate. The lighted item also includes at least one light source positioned to emit light into the light-conducting portion, which, in turn conducts or transmits light to the indicia for highlighting the indicia. R1nSi4-n\u2003\u2003CH2\u2550CH\u20141qSiR44-q\u2003\u2003R5Si4-s\u2003\u2003.