Quantity   Component name
1 × HIPS filament Filament for 3D printing
1 × Arduino Nano
1 × Piezoelectric Braille Cell P11 Braille Cell by Metec-AG
1 × DC-DC converter 200V 5V to 200V DC-DC boost-up converter
10 × M3 Bolts
10 × M3 Nuts Discrete Semiconductors / Diodes and Rectifiers
1 × Li-Ion Battery Li-Ion battery 3.7V
1 × DC-DC converter 5V 3.7V to 5 V DC-DC boost-up converter
1 × Li-Ion Charge module TP4056 Charge module
1 × Rotary Encoder Rotary Encoder
1 × GT2 belt GT2 rubber ring belt 10mm width and 200 mm lenth.
1 × Wires
1 × Micro SD-card Module SPI Module
2 × SD-card 2GB and more
1 × DFPlayer Mini MP3 Module Arduino MP3-TF-16P
1 × Speaker 8 Om, 2 W
1 × Switch Development Kits, Boards and Systems / Development Kits and Boards
10 × Resistor 220 Om
10 × Sand paper 100, 400, 1500, 2000
1 × Primer Electronic Components / Misc. Electronic Components
1 × Paint Any color
4 × Bearing 623ZZ Bearing 623ZZ