Some screenshot of the steps:
![](https://cdn.hackaday.io/images/4996111581948748376.png)
![](https://cdn.hackaday.io/images/7889391581948757810.png)
![](https://cdn.hackaday.io/images/4593431581948771157.png)
![](https://cdn.hackaday.io/images/9759371581948781262.png)
![](https://cdn.hackaday.io/images/2259241581948801044.png)
![](https://cdn.hackaday.io/images/3162041581948808336.png)
![](https://cdn.hackaday.io/images/852231581948814334.png)
![](https://cdn.hackaday.io/images/5964171581948821413.png)
![](https://cdn.hackaday.io/images/6859251581948828652.png)
![](https://cdn.hackaday.io/images/3905111581948837855.png)
Product list:
bc547 https://www.utsource.net/sch/bc547
capacitor 100uf, 16v https://www.utsource.net/sch/capacitor%20100uf%2C%2016v
560ohm resistor https://www.utsource.net/sch/resistor
led https://www.utsource.net/sch/led
More details, pls check the video on youtube: