Solder Circuit Boards | McMaster-Carr

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Arduino Nano IoT Bundle

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STM32 Dual-Core Cortex-M7/M4

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1,058 Products

Electrical

Circuit Boards

Create your own circuit board designs by adding components

64 products

Development Boards

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

46 products

Single-Board Computers

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

17 products

Logic Level Converters

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

1 product

Manual Switches

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

21 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

Circuit Board Headers

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

20 products

Electrical Sockets

Pair with plugs or receptacles to transmit power or data

57 products

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

52 products

Circuit Board Terminals

Connect wire to circuit boards

5 products

Electrical Wire

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

1 product

Electronic Component Kits

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

2 products

Resistors

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

491 products

Circuit Board Voltage Regulators

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

15 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

Circuit Board Capacitors

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

59 products

Battery Contacts

Add or replace contacts in battery holders and circuit boards

7 products

Inductors

Resist changes in current to protect circuit board components from surges

15 products

Rectifiers

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

30 products

Fluid Handling

Pressure Transmitters

Send pressure readings to controllers and remote displays

1 product

Communication

Display Screens

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

23 products

RFID Reader/Writers

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

1 product

Lighting

Light Bulbs

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

6 products