Gikfun 6-Bit DIY Calculator Kit Soldering Practice Kit Desktop Calculator Soldering Project Electronic Kit For College and High School Students to Learn and Use Soldering

CALCULATOR SOLDING KIT: By soldering our calculator kit,You will get a delicate desktop calculator, While you improve your soldering skills,And at the same time.You will get a practical gadget to increase your efficiency in your study or in your work. SIMPLE ASSEMBLY: This 6-bit display calculator kit assembly is not complicated,You can according to our drawings and PCB marked above the location of the easy to complete it,Of course, You also need to have a little soldering skills as a prerequisite,When you complete this kit, You will be proud of you. TWO FUNCTIONS: This 6-digit display calculator soldering kit does basic arithmetic in addition to.It also supports fast arithmetic 4-ring 5-ring color ring resistor arithmetic.As long as you enter his color ring in this way.You will get the value of your resistance,No longer have to because you can voltmeter is not around the trouble.Which is quite friendly for welding enthusiasts. EXTENSIVE PROJECTS：This welding kit is suitable for personal hobbies, Welding group activities, School welding programs, Helpful for improving welding skills, And a fun project for friends, Classmates, And welding exchanges together. Special Note: This calculator soldering kit has two power supply modes, 1. USB power supply. 2. Button battery power supply. The two modes cannot work at the same time. You can only choose one of its modes. (Button battery needs to be prepared by yourself).