Solder Circuit Boards | McMaster-Carr

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1,058 Products

Electrical

Circuit Boards

Create your own circuit board designs by adding components

Development Boards

Development Boards

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

Single-Board Computers

Single-Board Computers

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

Logic Level Converters

Logic Level Converters

Translate signals between development boards, sensors, and other components with different voltages

Manual Switches

Manual Switches

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

Sensor Switches

Sensor Switches

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

Magnetic Switches

Magnetic Switches

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

Circuit Board Headers

Circuit Board Headers

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

Circuit Board Terminals

Circuit Board Terminals

Connect wire to circuit boards

Electrical Connectors and Cords

Electrical Connectors and Cords

Supply power to equipment by combining plugs, sockets, receptacles, and cords

Electrical Wire

Electrical Wire

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

Electronic Component Kits

Electronic Component Kits

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

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

Varistors

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

Circuit Board Capacitors

Circuit Board Capacitors

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

Battery Contacts

Battery Contacts

Add or replace contacts in battery holders and circuit boards

Rectifiers

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

Inductors

Resist changes in current to protect circuit board components from surges

Fluid Handling

Pressure Transmitters

Pressure Transmitters

Send pressure readings to controllers and remote displays

Communication

Display Screens

Display Screens

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

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.)