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Specifications:
Product Name: SMD Components Soldering Practice Test Kit
PCB Material: FR-4 PCB Board
PCB Size: 145mm x 100mm
Power Supply: DC9V Input
Target Audience: Beginner-level SMD soldering practitioners
Components Used: Common and standard surface-mount device (SMD) components
Note: This is a DIY kit and you will need to solder.
Features:
1. 12 Independent Circuits for LED Testing
Each kit includes 12 sets of 8 LEDs controlled by two chips (74HC573 and 74HC164). This enables users to identify soldering quality and functionality through LED flashing and sequential illumination patterns.
2. Step-by-Step Visual Feedback
During operation, the LEDs perform sequential flashing and ste