Welcome to the Aueabc!
The main purpose of this kit is to practice welding led and patch resistance.
The circular circuit is the running water lamp circuit, which is composed of CD4017, NE555 and leds, which can be used to work after being welded.
Board Material is international standard sheet, all the pads are tinned, high-strength fire-proof and anti-drop materials, can be repeatedly disassembled.
Working Voltage: DC 5V PCB Size: 80mm x 60mm x 1.6mm Net Weight: 25g Packing List:1set x Welding Practice Board Kits Note:
User can complete the installation according to the PCB silk screen and component list Confirm that the direction and position of all components are correct Check whether there is any pseudo/ float welding. This is very important Please don't let the soldering iron touch the components for a long time, otherwise the components will be damaged