1. All the parts we need in this project.

2. Some screenshot of the steps.

3. Finish and test.

Product list:

2 Capacitor 100uF 25V https://www.utsource.net/itm/p/6484473.html

1 Capacitor 10uF 25V https://www.utsource.net/itm/p/6484546.html  

1 Capacitor 4.7uF 50V  https://www.utsource.net/itm/p/6485200.html

2 Capacitor 4700UF 25V https://www.utsource.net/itm/p/6484487.html

1 Capacitor 0.22uf = 224 https://www.utsource.net/itm/p/8343273.html

1 Connector - Screw Terminal 3 Pin (5mm pitch) https://www.utsource.net/itm/p/8307998.html

1 Connector 2 Pin (2.54mm) https://www.utsource.net/itm/p/8310125.html

1 Connector 2 pin (3.96mm) https://www.utsource.net/itm/p/8309799.html

2 Diode 1N4007  https://www.utsource.net/itm/p/300046.html

4 Diode 6A4    https://www.utsource.net/itm/p/834101.html

1 IC TDA2050  https://www.utsource.net/itm/p/889073.html

 1 Resistor 1/2 Watt 2.2 OHM https://www.utsource.net/itm/p/8294868.html

 2 Resistors 1/4 Watt 22K https://www.utsource.net/itm/p/6491286.html

 1 Resistors 1/4 Watt 560 OHM https://www.utsource.net/itm/p/8294722.html

More details, pls check the video on Youtube: