40 Pack Prototyping Printed Circuit Boards Kit With Five Size Universal Perforated Solderable Proto Boards For DIY Electronics Projects Plated Through Holes For Easy Soldering

Prototyping PCB Kit: 5 Sizes, Plated-Through Holes, 40 PCs
✔️ 40 double sided boards, 5 sizes, pre-tinned holes for easy soldering

These prototyping PCBs are double-sided boards with plated-through holes, designed for quick hobbyist and educational electronics projects. Ideal for breadboard-compatible circuitry, DIP ICs, and header connections, they’re suitable for learning soldering and circuit layout.

✅ 40-piece pack of double-sided boards in 5 sizes: 2x8 cm, 3x7 cm, 4x6 cm, 5x7 cm, 7x9 cm (20x80 mm, 30x70 mm, 40x60 mm, 50x70 mm, 70x90 mm) (0.79" x 3.15", 1.18" x 2.76", 1.57" x 2.36", 1.97" x 2.76", 2.76" x 3.54")
✅ Double-sided plated-through holes with sturdy annular rings that resist lifting during soldering
✅ Pre-tinned holes for easy insertion of DIP ICs and header pins
✅ Mounting holes or slots at board corners for quick alignment and mounting
✅ General-purpose prototyping boards for analog and digital circuits on one kit

💡 What is a long-tail question buyers may search about a multi-size prototyping PCB kit with plated-through holes?

This handy resource explains practical use and setup for hobbyists and engineers. - How a five-size prototyping PCB kit helps with layout planning across project scales - Why plated-through holes improve solder joint reliability in DIY builds - When to pick a double-sided board for complex analog and digital prototyping