The circuit is novel, interesting, and complete in components. It adopts double-sided fiberglass tinplate, which is another masterpiece after the 1801 and 1803 patch welding practice boards. It can be used as patch welding practice, training, examination, competition, etc. Use, provide WORD version of the simulation test questions, so that everyone can flexibly modify, change the test points can change the difficulty of the test.
This kit incorporates ultra-small components such as 0201 and 0402, and also incorporates SOT323 anti-static FETs, which greatly increases the difficulty of soldering, and is especially suitable for factory job selection and competition.
1901 SMD Welding Practice Exam Kit: There are 7 major functions as follows. Training, exams, and competitions are preferred.
Training - There are 10 components in 10 categories and 210 solder joints, which can be practiced or tested.
Comprehensiveness - The circuit has 10 types of commonly used components, adding 0201, 0402, anti-static field tube and other components, and can be familiar with the use of more components.
Practicality - The circuit imitates the anti-static requirements of the factory, increases the ultra-small components, and is more practical.
Simulation - with simulation questions, can be used for competition, selection, exams and other references.
Conservative - can be used repeatedly for desoldering, improve the utilization rate, and both the front and the back can be used to save costs.
Flexibility - Each component is numbered, no parameters are specified, and parameters can be flexibly adjusted. Questions can be modified as needed.
Technical - The circuit has a unique working principle, provides a complete schematic, and has 40 test points to facilitate various tests, which is conducive to improving the theoretical level.
Work voltage:DC 5V
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