Double Sided FR-4 PCB Board Kit Blue Perfboard 5 Pack 3.5 X 2.8 Inch 1.6mm Thick 2.54mm Grid 0.04 Inch Hole Through Hole Layout Great For DIY Soldering Electronics Projects

Blue FR4 Double-Sided Perfboard Kit, 5-Pack 3.5x2.8in
✔️ 5 boards, 1.6mm thick, 1mm holes, 2.54mm grid, pre-tinned

These blue FR4 PCB boards are double-sided perfboards designed for rapid electronics prototyping. They’re ideal for hobby projects, education labs, and DIY IoT experiments where quick testing and layout customization matter.

✅ Color: Blue
✅ Material: FR4 Glass Fiber
✅ Size: 3.5" x 2.8" (LxW) / 89 x 71 mm
✅ Thickness: 1.6 mm
✅ Hole diameter: 1 mm
✅ Pitch: 2.54 mm
✅ Package: 5 x PCB Boards
✅ Features: 4 mounting holes in corners, pre-tinned holes

💡 What is a typical use for FR4 perfboard in electronics prototyping?

Handy for quick testing and layout experiments before committing to a custom PCB design.

- Prototyping with through-hole components to validate circuit ideas
- Quick layout tests for LED arrays, sensors, and connectors
- Learning soldering and wiring in a safe, reusable platform
- Handy for hobbyists building small IoT projects and Raspberry Pi sensors