20 Pcs Double Sided PCB Board Prototype Kit 4x6cm With Durable FR4 Glass Fiber 1.6mm Thick 4 Color Universal Printed Circuit Boards For DIY Soldering And Electronic Projects

20-Pack Double-Sided FR4 Prototyping Boards 4x6cm
✔️ Contains 20 boards, four-color universal PCB, FR4 1.6mm

These double-sided FR4 prototype boards measure 4x6 cm (1.57x2.36 inches) with a 1.6 mm thickness, built for DIY soldering and electronic experiments. The boards feature pre-tinned holes and four mounting holes at the corners, making it easy to align and secure components during prototyping.

✅ 20 boards per pack, each 4x6 cm (1.57x2.36 in), FR4 glass fiber, 1.6 mm thick
✅ Pre-tinned through-holes for easy soldering and quick component placement
✅ Four mounting holes at the corners for stable mounting
✅ Random color mix: Black, Red, Blue, White options in the batch

💡 What is a handy use case for a double-sided FR4 PCB prototype board in hobby electronics?

A handy base for testing and prototyping small circuits before committing to a final design. - Handy for quickly laying out sensor interfaces and microcontroller connections - Great for learning soldering technique with through-hole parts - Durable fiberglass substrate handles heat and stresses during trials - Helps documenting layouts for future reference