Breadboards | McMaster-Carr

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165 Products

Electronic Prototyping

Solderless Ready-to-Use Circuit Boards

Also known as solderless breadboards. A contact point inside each hole creates a connection without soldering.

Ready-to-Use Circuit Boards

Also known as breadboards or proto-boards, these boards come with tin--lead-plated copper holes and solder pads or strips, so you can solder on components. They create more permanent connections than solderless circuit boards.

Circuit Boards

Drill holes of any size and etch your own circuit board design into copper-clad boards.

Ready-to-Use Circuit Board Kits

Rapidly prototype and troubleshoot issues on a solderless circuit board and then transfer your final design to a board with solder pads for permanent connections.

Ready-to-Use Circuit Boards with Enclosure

Also known as project boxes, these circuit boards are shaped to fit the included enclosure, so you don’t have to cut your board.

Holders for Development Boards

Keep a development board and a breadboard in one handy spot for prototyping.

Single-Board Computers

Combine the functionality of a PC with the flexibility of a development board’s digital inputs and outputs.

Development Boards

Prototype electronics and build simple automation systems with the configurable inputs and outputs on these boards.

Mini Development Boards

These boards are smaller than other development boards, so they save space in your setup—while still having the configurable inputs and outputs that make them good for rapid prototyping.

Programming Modules for Development Boards

Program mini development boards and other custom circuit boards with these modules.

Circuit Board Headers

Use these headers to make quick, temporary connections to development boards and other circuit boards when prototyping.

Clamping and Workholding

Inspection and Measuring Fixturing

Use these components in coordinate measuring machine (CMM) applications to raise a workpiece and reliably position it on a fixture plate with ¼"-20 holes.

Grid Fixture Plates

Precision ground to the tightest parallel tolerance, these steel plates have threaded and unthreaded holes in a grid pattern to support precise positioning and repeatability when machining.

Cords for Development Boards

Make quick, secure connections between your development board and your system’s components, such as sensors and actuators.

Potting Boxes

Use these open boxes with adhesive for electronics (also known as potting compound) to encase electronic assemblies and protect them from vibration, tampering, moisture, and corrosives.