2Pcs SMT SMD Component Welding Practice Board Rectifiers CD4017 NE555 Soldering Skill Training Board Flowing Water Light Kit DIY Electronic Kit Mini

The product is a loose part with a circuit board: the PCB circuit board is equipped with all components, and you need to assemble and debug it yourself The welding practice board for SMD components adopts double-sided components, and the double-sided SMD practice has a high board occupancy rate and good cost performance The circular circuit in the middle is a water lamp circuit, composed of CD4017, NE555, and light-emitting diodes. It can work after being powered on after welding without any errors The PCB circuit design is reasonable, without burrs, and is small in size, which can be packed in a pocket Three columns of components on the left and right are used for welding practice, and each column has test points

Manufacturer: ‎EC Buying Item Weight: ‎0.704 ounces Package Dimensions: ‎5.79 x 4.13 x 0.51 inches Item model number: ‎CD4017 Material: ‎tin Power Source: ‎dc Voltage: ‎12 Volts (DC) Display Style: ‎LED Included Components: ‎Light, Pads Batteries Included?: ‎No Batteries Required?: ‎No ASIN: B0C1C329B2 Customer Reviews: 3.7 out of 5 stars Date First Available: April 3, 2023