1. Materials we need to prepare:
2. Screenshot of some steps.
3. Finished and test.
Product list:
EE 28 Transformer http://bit.ly/2xMjpf2
TDA7294 x2 http://bit.ly/2YOSfA7
RH860 Diode X4 http://bit.ly/2DwEP2n
IRF3205 x4 http://bit.ly/2AMKJM7
LM7812 http://bit.ly/2LvSBcG
LM7912 http://bit.ly/2Jbs0j7
SG3525 http://bit.ly/2Hb5qXH
Transistor 8050 x2 http://bit.ly/32qs9FN
Transistor 8550 x2 http://bit.ly/30BsXWV
Capacitor 4700uf/50V http://bit.ly/2NSWA4m
Capacitor 4700uF/25V http://bit.ly/2NOQFgL
Resistor 10R x5 http://bit.ly/2UTDASo
Resistor 10K x5 http://bit.ly/2TMSWXV
Resistor 470 x2 http://bit.ly/2ubDCcE
Resistor 2K x2 http://bit.ly/2AJVU8g
Resistor 22K x4 http://bit.ly/2soUICX
Resistor 33K x2 http://bit.ly/2YoG3Gr
Resistor 860R x2 http://bit.ly/2Y0NIxl
Resistor 7.5K http://bit.ly/30yTeor
Resistor 200K http://bit.ly/2JwgI8h
Resistor 1K http://bit.ly/2XXF9R3
Capacitor 100nF x8 http://bit.ly/2QK6ph7
Capacitor 1nF x2 http://bit.ly/2SYCB2s
Capacitor 22uF/50V x2 http://bit.ly/2NP0dYZ
Capacitor 10uF/50V x2 http://bit.ly/2M9qC34
Capacitor 2.2uF/50V x2 http://bit.ly/2SaTM0P
Diode 4007 http://bit.ly/2tt5dFO
Diode FR107 http://bit.ly/2VquG38
More details, pls check the video on Youtube:
6 months or a year from now, your shorten links will be dead or point to something else. Besides they are a security risk, so no one should be using them here.