1. Materials we need in the project.
2. Screenshot for some steps.
3. Finish and test.
Product list:
D882 https://www.utsource.net/itm/p/1310267.html
100K resistor https://www.utsource.net/sch/100k%20resistor
Buzzer https://www.utsource.net/itm/p/8027239.html
More details, pls check the video on Youtube: