📏 4CM Multifunctional PCB Ruler – Engineering Reference Tool for Electronics
Designed for precision and convenience, this 4cm multifunctional PCB ruler is the perfect compact tool for electronics engineers, hobbyists, and students working with SMD components and circuit layouts.
🔧 Features & Benefits
- 🛠️ Component Reference Guide: Includes clear markings for resistor values, capacitor types, chip layouts, IC configurations, and commonly used SMD packages such as SOT89 and SOT23
- 📐 Measuring Functionality: Acts as a mini ruler for quick length checks and circuit spacing
- 💼 Compact Size: Just 4cm long — fits easily into toolkits, pockets, or workstations
- 🎨 Material: Durable PCB substrate with high-contrast silkscreen printing for easy reading
- 🧠 Ideal For:
- PCB design reference
- On-the-fly component identification
- Educational and prototyping use
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