LED SMD DIY Soldering Component Practice Board Skill Training for Beginner

Description: - PCB board design is reasonable, no flash, the size is the same as the size of the ID card, you can fit in your pocket. - The use of commonly used patch components. - The left and right three columns of components are used to practice welding, each column with test points. - The middle circular circuit is a water-lighting circuit, which is composed of 4017, NE555, and light-emitting diodes. - The back of the circuit is also used, there is a ruler, convenient to measure components. There are PCB wire examples to facilitate PCB design use. Specification: - Material: electronic components - PCB board size : approx. 81 x 55mm/ 3.19 x 2.17inch - Circuit operating voltage: 3-12V - Many types of components, are commonly used components, very suitable for training. - Welding is a beautiful water light circuit Package Includes: Set of Materials1 Piece English manual Note: Please allow 1-3mm error due to manual measurement. Please make sure you do not mind before you bid.Photo color might be a little different from the actual product due to color display of different monitors.Thanks for your understanding and enjoy your shopping moment.