Electronic novice recognition and welding suite DIY training component PCB board
This suite is composed of a 5cm*7cm hole plate and common electronic components. It is suitable for the recognition and welding of electronic components by friends who have just learned electronic technology. There are about dozens of electronic components, including resistance, electrolytic capacitance, polyester capacitance, magnetic chip capacitance, a 555 integrated block. Diode, transistor and other components.