Quantity   Component name
1 × C12666MA Spectrometer Hamamatsu Mini Spectrometer
1 × Arduino Pro Mini 328 - 5V/16MHz
1 × FTDI USB to Serial Board (5V) For burning code to Pro mini
1 × HC-05 Bluetooth Module
1 × Buck Boost Converter ( 3v to 5V) - TPS63060 based module
1 × LiPo Battery - 200mAh/500mAh
1 × Momentary Pushbutton Switch (mini)
1 × Mini SPDT slide switch
1 × LED Wavelength depends upon application
1 × Optical Filters (Optional) Depends upon application
1 × LiPo Battery charger - MCP73831 based module
1 × Resistor Value depends upon LED used. Check the data sheet of the LED for details.
1 × Round female pin header for reference - https://www.sparkfun.com/products/743