- The digital tube display calculator production kit is designed for both mathematical calculations and practical electronics training. It performs addition, subtraction, multiplication, and division, and can also convert the resistance values of color ring resistors. - Ideal for DIY enthusiasts and electronics students, this kit provides an excellent platform for welding practice and hands-on experiments. - Power options include a Type-C power interface with a DC5V supply or a button battery, allowing for versatile usage. The battery compartment features a side hole for easy battery replacement. - Constructed with high-quality components, including specialized circuit boards, digital tubes, microcontrollers, and buttons, this kit ensures stable performance and longevity. - Use scenarios: 1. Perfect for electronics training sessions where learners can gain practical experience in circuit assembly and calculations. 2. Suitable for hobbyists who enjoy building and customizing electronic devices while enhancing their understanding of resistor values. 3. Great for educational purposes in classrooms or workshops, providing students with a hands-on tool for mastering basic electronics principles. This product is an essential tool for anyone looking to deepen their understanding of electronics while enjoying the process of building and experimenting.