Electronic metal detector, DIY kit, simple locator, spare parts set, printed circuit board making, soldering practice

Features: 1. 【DIY Soldering Exercise】: This DIY metal detector kit requires soldering and assembly, providing an engaging way to learn about electronics and circuit board assembly. It not only develops practical skills but also enhances electronics production expertise, making it suitable for electronics enthusiasts and students. 2. 【Dual Alarm System】: When the detector is near metal, the buzzer and LED light simultaneously trigger an alarm, providing visual and audible prompts for more accurate and convenient detection. 3. 【Adjustable Alarm Threshold】: By turning the potentiometer, the alarm threshold can be adjusted to suit your needs, making the device more sensitive and meeting various detection requirements. 4. 【Portable Design】: The metal detector is compact, lightweight, and easy to carry, suitable for use in various environments, such as games and entertainment, security checks, etc. 5. 【Learn Knowledge & Cultivate Thinking】: By assembling and using the metal detector yourself, you can cultivate an interest in electronic and physical knowledge and stimulate innovative thinking. Perfect for beginners wanting to explore the basics of electronic design and circuits. Specifications: This DIY metal detector kit provides an engaging way to learn about electronics and printed circuit board assembly. It is not only a fun and interactive educational tool but also a practical device for various metal detecting needs, providing a hands-on learning experience for electronics enthusiasts, hobbyists, and educators who want to delve into the world of circuits and metal detecting. Features: 【DIY Soldering Exercise】: This DIY metal detector kit requires soldering and assembly, providing an engaging way to learn about electronics and circuit board assembly. It not only develops practical skills but also enhances electronics production expertise, making it suitable for electronics enthusiasts and students. 【Dual Alarm System】: When the detector is near metal, the buzzer and LED light simultaneously trigger an alarm, providing visual and audible prompts for more accurate and convenient detection. 【Adjustable Alarm Threshold】: By turning the potentiometer, the alarm threshold can be adjusted to suit your needs, making the device more sensitive and responsive to different detections. needs.【Portable Design】: The metal detector is compact, lightweight, and easy to carry, suitable for use in various environments, such as games and entertainment, security checks, etc.【Learning Knowledge and Cultivating Thinking】: By assembling and using the metal detector yourself, you can cultivate an interest in electronic and physical knowledge and stimulate innovative thinking. Perfect for beginners looking to explore the fundamentals of electronic design and circuits. Specifications: Name: DIY Metal Detector Kit Material: Printed circuit board Battery: 2 CR2032 button cell batteries (not included) Operating current: 23mA (under normal alarm conditions) Static operating current: 3.7mA (without alarm) Operating voltage: 3-5V Maximum detection ranges: 30-50mm Flashing LED alarm: Supported Adjustable alarm threshold: Supported Audible buzzer alarm: Supported Power switch: Supported Indicator Power supply: stand Item size: 60 * 185 mm / 2.36 * 7.28 inches Item weight: 52 g / 1.83 ounces Package size: 150 * 60 * 30 mm / 5.91 * 2.36 * 1.18 inches Package weight: 53 g / 1.87 ounces Packing list: 2 * 100Ω resistors 2 * 2K resistors 3 * 10K resistors 1 * 200K resistors 3 * capacitors 4 * S8050 Audion 2 * S9012 Audion 1 * 100Ω potentiometer 2 * ceramic capacitors 1 * self-locking switch 2 * electrolytic capacitors 5 * diodes 1 * buzzer 2 * battery holders 1 * circuit board 1 * guideline Package list: List of Packaging: 2 * 100Ω resistors, 2 * 2K resistors, 3 * 10K resistors, 1 * 200K resistors, 3 * capacitors, 4 * S8050 Audion diodes, 2 * S9012 Audion diodes, 1 * 100Ω potentiometer, 2 * ceramic capacitors, 1 * self-locking switch, 2 * electrolytic capacitors, 5 * diodes, 1 * buzzer, 2 * battery holders, 1 * printed circuit board, 1 * instructions