PCB Etching without Ferric Chloride {810 IC Part#1} DIY Hindi Electronics ELECTRO INDIA

My tools list, which I usually use in the video - http://bit.ly/Tools_List PCB etching without ferric chloride Click here to watch next part #2:    • Audio Amplifier Board {810 IC Part#2} DIY ...   Part #3 -    • Audio Amplifier MP3 Player {810 IC Part#3}...   To download the file for making the PCB: Click here: https://bit.ly/3G2D0d5 This PCB is made from Muriatic acid, a common acid. It is readily available because it has a low potency. It is used to clean bathrooms. However, be careful with it. Wear gloves, keep it out of the reach of children, and do not let it fall on the floor.