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: