Introduction: How to Make a Reed Switch

About: thank you sunshiine for supporting me : ) i am mahmoud , i live in Egypt , i like to inventing new things form junk and old toys and

how to make a sample magnetic sensor on the cheap
materials :

1 match box

2 paper clib

2 wires

1 piece of foil

tabe

a small circuit for test 

Step 1: Make the Case

and now we will make the case out of the match box

Step 2: Add the Aluminum Foil to the Case

and now we will add the aluminum foil to the case

Step 3: Make the Other Paper Clip and Connect the Wire

connect the wire to the other paper clip

Step 4: Finish the Sensor

secure every thing in place and it is ready to test 

Step 5: Test