1uF 50V Electrolytic Capacitor (Pack of 5)

3386P-1-103 1/2W PC Pins Through Hole Trimmer Potentiometer with easy turn knob (pack of 2). 

MT3608 2A MAX DC-DC Step Up Power Booster Module with USB Type C interface.

1/4W metal film resistor, 1% tolerance.

741 op amp IC

33uF 35V

5mm LED Red light emitting diode, 5 LEDs per pack

Working current: 20 (mA)

Working voltage: 1.9V-2.4V

22uF 16V Electrolytic