circuit board is the main part of the electric machine . without circuit board your machine is just a scrape . circuit board is a circuit of a specific machine .and most important thing is that . Building an electronic circuit board requires great patience and care.Soldering is defined as "the joining of metals by a fusion of alloys which have relatively low melting points". In other words, you use a metal that has a low melting point to adhere the surfaces to be soldered together. soldering is a very important part of a electric circuit board . any type of circuit board are available here . contact with me if you want any type of circuit . Its all about you .
for contact ID is . (swtmax9@gmail.com)