Magnetic Contact Switch




$2.75 ea.

This magnetic contact switch is nice and small, and is designed for flush or countersink installations.

Description [Hide]

Product Features

  • Flush or countersink installation
  • Wide Gap, up to 1 inch
  • 45cm (18") white 22AWG cable
  • Comes with a 1/2" rare earth magnet

Product Description
The switch handles gaps of up to 1 inch between the magnet and the switch. The switch will turn the digital input "on" when the magnet is within 1" of the switch, and will turn it "off" when the contact is broken by moving the magnet away.

Product Specifications

characteristic value
Switch size 1/4" diameter
Cable length 45cm (18")
Cable size 22AWG
Color White
Gap size up to 1"

Documentation [Hide]

Related Products [Hide]


Solarbotics Arduino Freeduino Enclosure (SAFE)

The Solarbotics Arduino Freeduino Enclosure (SAFE) is a laser-cut acrylic case for your chopsticks. And by chopsticks, we mean Arduino or Freeduino. Go figure.

$9.95 USD


3m 90 LED Strand, 3.3cm Spacing

Here's a string of tiny SMD LEDs on very thin enamel wire. These are excellent for adding a string of bling to your project.

$6.95 USD


Low Sensitivity Unipolar Magnetic Hall Effect Switch

This Melexis US5881LUA (flat TO-92 package) magnetic sensor features a low sensitivity, unipolar design, meaning that it won't be affected by earth's magnetic field, and only responds to a change in one polarity. This particular model responds only to a South-pole magnetic field.

$2.00 USD


Heat Shrink Kit

Yay...Heat shrink! Never worry about connection breakage again! Use it to reinforce connections, protect devices, and electrically isolate exposed solder joints. A variety of colors are included to color code your signals or just to make things look pretty!

$7.95 USD


SPDT Slide Switch

PC-Mount SPDT narrow power switch

$1.35 USD



These 3/4" Neodymium magnets are very strong. Useful for all kinds of Magbot experiments or just holding posters up on metal surfaces as we like to do!

$2.75 USD


Standard LED

Standard sized diffused T1-3/4 LEDs, great for indicators. Available in green, red, yellow, white and blue.

$0.35 USD


Servo - Medium

A simple, low-cost, high quality servo for all your mechatronic needs.

$10.95 USD


5V Boost Regulator

The Pololu 5V Boost Regulator NCP1402 is a very tiny source of 5V from supply voltages as low as 0.8V.

$5.75 USD


Compact Selectable Switching Power Supply 3-12VDC

What a handy power adapter - 100~240VAC input, and it outputs up to 10 watts, with a selectable voltage from 3 to 12VDC. Complete with a variety of interface plugs!

$14.95 USD





Remember Me

Forgot Your Password?

Don't Have an Account?
Sign Up!