Breadboards | McMaster-Carr

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1,241 Products

Most Likely Products

Circuit Boards

Create your own circuit board designs by adding components

72 products

Coordinate Measuring Machine Plates and Fixtures

Raise workpieces and position them on a fixture plate

44 products

All Results

Electrical

Circuit Boards

Create your own circuit board designs by adding components

72 products

Development Board Holders

Keep a development board and breadboard in one spot for prototyping

1 product

Development Boards

Prototype electronics and build simple automation systems by configuring inputs and outputs

23 products

Development Board Sensor Modules

Transform your development board into everything from an airflow monitor to a motion detector

17 products

Development Board Programming Modules

Program development boards and other custom circuit boards

2 products

Manual Switches

Everything from toggle, push-button, and rocker switches to foot switches

21 products

Single-Board Computers

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

17 products

Transistors

Boost weak electrical signals and rapidly control data transmission

20 products

Sensor Switches

Detect moving objects from a distance, triggering a circuit to open or close

2 products

Magnetic Switches

Actuate when a magnet comes within sensing distance; often used to detect when doors or windows open

2 products

Snap-Acting Switches

Open and close circuits quickly to minimize arcing and sticking; often used as door-open indicators

28 products

Electrical Wire

Make single-wire connections; generally for lower voltages and shorter distances than cable

32 products

Circuit Board Headers

Make quick connections to development boards and other circuit boards when prototyping

20 products

Electrical Cords

Connect equipment and devices to a power supply

1 product

Development Board Cords

Connect your development board to components such as sensors and actuators

7 products

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

52 products

Electrical Sockets

Pair with plugs or receptacles to transmit power or data

73 products

Electrical Connector Contacts

Crimp wire into pins and sleeves to create custom Molex or Amphenol connectors

6 products

Electrical Cable

Make multi-wire connections; generally for higher voltages and longer distances than wire

20 products

Resistors

Limit the electrical current flowing through circuits, adjust signal levels, and divide voltages

491 products

Diodes

Route current in one direction and block it in the other to protect sensitive electronics

93 products

Varistors

Protect sensors, programmable logic controllers, and other small components from electrical surges

20 products

Rectifiers

Convert AC voltage to a constant DC voltage on a circuit board

30 products

Inductors

Resist changes in current to protect circuit board components from surges

15 products

Potting Boxes

Fill with potting compound to protect electronic assemblies from dust, moisture, and vibration

16 products

Circuit Board Capacitors

Store electrical energy then release it all at once to briefly boost power to circuit boards

59 products

Measuring and Inspecting

Coordinate Measuring Machine Plates and Fixtures

Raise workpieces and position them on a fixture plate

44 products

Decade Boxes

Test and troubleshoot circuits without needing to solder capacitors or replace resistors

3 products

Fabricating and Machining

Electronic-Component Positioning Stands

Pin components against a circuit board to free up your hands for soldering

1 product

Vises

Secure workpieces in place

10 products

Grid Fixture Plates

Use threaded and unthreaded holes to position workpieces for precise and repeatable machining

1 product

Fixture Tables

Add clamps, brackets, and other components to build fixtures for welding and assembly

2 products

Communication

Display Screens

Display text, numbers, symbols, and other information from your electronics

23 products