产品型号：
OKYN-G5278
DIY Ding Dong Doorbell Kit Electronics Welding Soldering Project for Beginners and STEM Education
Product Description
Features:
Hands-On STEM Learning: Understand the core concepts of oscillators, timing circuits, and sound generation.
Based on Classic 555 IC: Build a circuit around the versatile and widely-used NE555 timer integrated circuit.
Great Soldering Practice: Excellent for beginners to develop and perfect their PCB soldering skills.
Complete Kit: All necessary components are included for a successful build.
Instant Gratification: Hear a clear “Ding-Dong” sound upon completion—a rewarding result for your work!
Based on Classic 555 IC: Build a circuit around the versatile and widely-used NE555 timer integrated circuit.
Great Soldering Practice: Excellent for beginners to develop and perfect their PCB soldering skills.
Complete Kit: All necessary components are included for a successful build.
Instant Gratification: Hear a clear “Ding-Dong” sound upon completion—a rewarding result for your work!
Warm Tip :
1. If the item is damaged or any problems, please contact us immediately before leaving feedback and we’ll do our best to solve your problem as soon as possible!
2. Due to manual measurement, the size may have an error of 1-2cm.
