ITEM NAME:DIY SMD Welding Practice Soldering Skill Training Board Led DIY Kit Set Description: Operating voltage:3-12V Portable design: the size is as same as of the identity card which can be set into pocket There are 3 column of each side (left and right), and each column has its test point. The circular Light circuit of the middle was consisted by 4017, NE555 and light-emitting diodes; it can work after welding successfully. There are graduation and PCB lead example for measuring components and designing PCB more convenient. Specification: Material: Pcb board Size: Approx. 85.6mm× 54mm ×1.6mm(L×W×H)/ 3.37''×2.13''×0.06'' All the components showed on the pictures are included in the kit Welding operating diagram and circuit of the light diagram are included Package Includes: 1 × SMD Component Welding Practice Board Kit Set SKU: ALU0016051160007079.1 × SMD Component Welding Practice Board Kit Set. The circular Light circuit of the middle was consisted by 4017, NE555 and light-emitting diodes; it can work after welding successfully. Material: Pcb board.
