3. WHAT MATERIALS AND COMPONENTS WILL BE REQUIRED? Materials: I will be using ABS filament for 3 D printing my tool holder. I will be using silicon rubber for making by RFID Band. PCB's for designing own boards : Atmega 328 Components: Ill be using Red and Green LEDs Atmega 328 board IR module RFID Scanner RFID tag Please refer BOM of the same on my Final project Page