Circuit Board Kits | McMaster-Carr

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51 Products

Electrical

Circuit Boards

Create your own circuit board designs by adding components

Single-Board Computers

Single-Board Computers

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

Development Boards

Development Boards

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

Electronic Component Kits

Electronic Component Kits

Include diodes, rectifiers, and transistors to convert current or amplify electronic signals

Electrical Wire

Electrical Wire

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

Circuit Board Headers

Circuit Board Headers

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

Circuit Board Capacitors

Circuit Board Capacitors

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

Resistors

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

Circuit Board Voltage Regulators

Circuit Board Voltage Regulators

Power circuits from a high-voltage source without frying your system

Diodes

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

Rectifiers

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

Communication

RFID Reader/Writers

RFID Reader/Writers

Scan RFID tags and cards to track inventory or grant building access

Lighting

Light Bulbs

Standard household, miniature, compact, tubular, ultraviolet, infrared, and blacklight bulbs

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)