EC Buying Second Generation SMT SMD Component Transistors Welding Practice Board CD4017 NE555 Soldering Skill Training Board Lucky Turntable Flowing Water Light Kit DIY Electronic Kit

The product contains bulk parts with a circuit board: the PCB circuit board is equipped with all components, and you need to assemble and debug it yourself, The PCB Board design is reasonable, without burrs, and is small in size 60*80MM, which can be packed in a pocket, Board material: RF-4 plate, all solder pads are tin plated, high-strength fireproof and fall resistant material, and can be repeatedly disassembled, The front side of the PCB board is a functional area for welding, and the back side is a practice welding area, with a high board occupancy rate, and good cost performance, The circuit design is reasonable, and conventional chip mounting components are used