Quantity   Component name
1 × Arduino uno
11 × 330 Ω resistor (0603)
1 × 12x9.5 Buzzer <a target="_blank" rel="noopener noreferrer" href="https://www.digikey.com/en/products/detail/pui-audio-inc/AT-1224-TWT-5V-2-R/5011404?_gl=1*1iopnxi*_up*MQ">https://www.digikey.com/en/products/detail/pui-audio-inc/AT-1224-TWT-5V-2-R/5011404?_gl=1*1iopnxi*_up*MQ</a>..*_gs*MQ..&amp;gclid=CjwKCAjw9anCBhAWEiwAqBJ-c9XfplOmodIRTnZ_TeMEIjW8e_rsXMy02WTYwzTsG0BfmMY2ErB9yxoC3GAQAvD_BwE&amp;gclsrc=aw.ds
2 × 22 pos Header pins <a target="_blank" rel="noopener noreferrer" href="https://www.digikey.com/en/products/detail/w&#xFC;rth-elektronik/61302211121/4846864?_gl=1*omyt85*_up*MQ">https://www.digikey.com/en/products/detail/w&#xFC;rth-elektronik/61302211121/4846864?_gl=1*omyt85*_up*MQ</a>..*_gs*MQ..&amp;gclid=CjwKCAjw9anCBhAWEiwAqBJ-c9XfplOmodIRTnZ_TeMEIjW8e_rsXMy02WTYwzTsG0BfmMY2ErB9yxoC3GAQAvD_BwE&amp;gclsrc=aw.ds
1 × 470 Ω resistor (0603)
1 × 10K Ω resistor (0603)
2 × 10K Ω potentiometer <a target="_blank" rel="noopener noreferrer" href="https://www.digikey.com/en/products/detail/bourns-inc/3386F-1-103T/374077?_gl=1*59dh6m*_up*MQ">https://www.digikey.com/en/products/detail/bourns-inc/3386F-1-103T/374077?_gl=1*59dh6m*_up*MQ</a>..*_gs*MQ..&amp;gclid=CjwKCAjw9anCBhAWEiwAqBJ-c9XfplOmodIRTnZ_TeMEIjW8e_rsXMy02WTYwzTsG0BfmMY2ErB9yxoC3GAQAvD_BwE&amp;gclsrc=aw.ds
1 × 16-33K Ω photoresistor <a target="_blank" rel="noopener noreferrer" href="https://www.digikey.com/en/products/detail/advanced-photonix/PDV-P8103/480610?_gl=1*omyt85*_up*MQ">https://www.digikey.com/en/products/detail/advanced-photonix/PDV-P8103/480610?_gl=1*omyt85*_up*MQ</a>..*_gs*MQ..&amp;gclid=CjwKCAjw9anCBhAWEiwAqBJ-c9XfplOmodIRTnZ_TeMEIjW8e_rsXMy02WTYwzTsG0BfmMY2ErB9yxoC3GAQAvD_BwE&amp;gclsrc=aw.ds
1 × 100uF capacitor (0603)
5 × LEDs Electronic Components / Misc. Electronic Components
4 × Pushbuttons <a target="_blank" rel="noopener noreferrer" href="https://www.digikey.com/en/products/detail/c-k/PTS645SK50SMTR92-LFS/1162183?s=N4IgTCBcDaIAoBUDKA2ALAViQaQwBiQFkEAlATjAAIAZAMSRAF0BfIA">https://www.digikey.com/en/products/detail/c-k/PTS645SK50SMTR92-LFS/1162183?s=N4IgTCBcDaIAoBUDKA2ALAViQaQwBiQFkEAlATjAAIAZAMSRAF0BfIA</a>
2 × SPDT Slide switches <a target="_blank" rel="noopener noreferrer" href="https://www.digikey.com/en/products/detail/e-switch/EG1218/101726?_gl=1*1iopnxi*_up*MQ">https://www.digikey.com/en/products/detail/e-switch/EG1218/101726?_gl=1*1iopnxi*_up*MQ</a>..*_gs*MQ..&amp;gclid=CjwKCAjw9anCBhAWEiwAqBJ-c9XfplOmodIRTnZ_TeMEIjW8e_rsXMy02WTYwzTsG0BfmMY2ErB9yxoC3GAQAvD_BwE&amp;gclsrc=aw.ds
1 × Neo pixel (optional)
1 × 128x64 OLED (optional) GND VCC SCL SDA