MEGA2560 Prototype Screw Terminal Shield Kit

This double-side prototype screw terminal block shield kit is purpose-built to expand an Arduino Mega 2560 R3 into a robust wiring and development platform without any soldering required. The kit includes an unassembled FR-4 fiberglass dual-layer prototype PCB, screw terminal blocks, and female header sockets, giving you full flexibility to mount and configure the board exactly how your project needs. Every digital, analog, and power pin on the Mega 2560 gets a secure screw-terminal connection, eliminating the fragile jumper wires and desoldering hassles that come with direct-to-header wiring.

The board’s double-sided prototyping area works like a compact perfboard, letting you build small sub-circuits such as filters, level shifters, or signal conditioning stages directly on the shield alongside your terminal wiring. Because connections use screws rather than solder joints, wires can be swapped, tightened, or repositioned in seconds, making this kit especially useful for iterative prototyping, sensor integration, and long-term or industrial control panel builds where reliable, removable connections matter.

This is a strong fit for hobbyists and engineers building relay control panels, motor driver interfaces, sensor hubs, or any Mega 2560 project that needs clean, well-organized, and durable wiring. It’s compatible with genuine Mega 2560 boards as well as standard CH340-based clones sharing the same R3 pinout and form factor.

Specification:

• Compatibility : Arduino Mega 2560 / Mega2560 R3
• PCB Type : FR-4 Fiberglass, Double-Sided (Dual Copper Layer)
• PCB Size : 120mm x 78mm
• Pad Pitch : 2.54mm (Hole Diameter 0.8mm)
• Terminal Block Pitch : 3.5mm (Hole Diameter 1.2mm)
• Terminal Block Pins : 84 Total (3-Pole x24, 2-Pole x6)
• Wire Range : 26–16 AWG
• Female Header Sockets : 2.54mm Pitch, 15mm Pin Length
• Assembly : Unassembled Kit