Gikfun DIY SMD SMT Welding Practice Soldering Skill Training Board NE555 CD4017 Water Flowing Led DIY Kit EK1885

PCB blank board Size: 80mm x 60mm
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.
Add 2pcs of QFP44 chip, double sided component layout, double welding.
High quality PCB, has clearly marked the electronics components, even beginners can easily solder successfully.
Please make sure all components in right direction and right place; and check whether pseudo and float welding, this is very important in practicing and testing.