20-Piece Dope Solder-Finished Prototype PCBs For DIY 5x7cm Circuit Boards Breadboard-Ready With 2.54mm Pin Pitch And Direct Arduino Header Compatibility For Easy Prototyping

20-Piece Solder-Finished Prototype PCBs for DIY Projects
✔️ Size 50x70 mm, 2.54 mm pitch; Arduino headers fit, boards ready

These 20-piece solder-finished prototype PCBs are designed for fast, hands-on prototyping. Sized at 50x70 mm (2.0 x 2.76 in) with a 2.54 mm (0.1 in) pin pitch, they slip right onto breadboards and accept direct Arduino header mounting for quick testing and iteration.

✅ Pack size: 20 pieces
✅ Board size: 50x70 mm (2.0 x 2.76 in)
✅ Pin pitch: 2.54 mm (0.1 in)
✅ Direct Arduino header compatibility
✅ Solder-finished prototype boards ready for quick prototyping

💡 What is a prototype PCB used for in hobby electronics projects?

• handy for quick testing of microcontroller ideas with breadboards and Arduino headers
• lets you iterate layouts without soldering onto final PCBs
• solder-finished boards provide clean, repeatable test results for debugging and refinement