Quantity   Component name
1 × Arduino Mega
1 × LCD Screen Liquid Crystal Displays 16/2
4 × Button
1 × Ring LED NeoPixel Ring 16
1 × Joystick Playstation joystick
1 × Matrix LED Circuit board home made
1 × 7-segment display
1 × Lithium Battery Model 18650
1 × Arduino nano
1 × A lot of Wires
1 × Buzzer CMT-1285C-035