Superior Build Quality : Crafted with premium PCB and ABS materials, this function generator ensures long-term durability and stable performance under continuous use. Fully Adjustable Parameters : Offers independent control over frequency and amplitude, enabling customization of output signals to match specific testing requirements. Five Digit Accuracy Resolution : Delivers exceptional precision in frequency adjustment, supporting both coarse and fine tuning for accurate signal calibration. Educational & Practical Value : As a DIY assembly kit with through hole components, it enhances learning while building real-world electronics skills. Broad Application Spectrum : Widely used by technicians, factories, and electronics enthusiasts for R&D, repair, and academic projects requiring reliable waveform generation. Designed for precision and practicality, this function generator DIY kit is a must-have for anyone involved in electronics development or education. Built with robust PCB and ABS materials, it ensures structural integrity and consistent performance. The device supports sine, triangle, and square wave outputs with fully adjustable frequency and amplitude, enhanced by a five-digit accuracy resolution for pinpoint control. Whether powered by 9V battery or external 9–12V source, it maintains stable operation. Its through-hole component design simplifies soldering and debugging, making assembly accessible and enjoyable. Tailored for engineers, technicians, and hobbyists, this kit not only delivers professional-grade functionality but also fosters deeper understanding of analog circuitry through immersive, hands-on engagement.