Demonstration of tailored micro-dome tactile sensors for recognizing Braille. (a) Schematic of the visually impaired person touching and learning Braille with a tactile sensor inspired by human finger moving on the dots of the Braille. (b) Schematics showing the resistance composition of the tactile sensor before and after pressure. (c) Schematic of Braille recognition process through a machine learning method. (d) Comparison of the Braille recognition accuracy through a machine learning method based on this work and previous report works.