Free 50 Best Homemade Tools eBook:  

Community for builders of homemade tools
Learn to build your own tools and share them with the world.

Homemade 12v Audible Circuit Tester


12v Audible Circuit Tester

Advertisement
Advertisement
BUILDER:
ltlvt on homemadetools.net
DESCRIPTION:
Homemade 12v audible circuit tester adapted from a GM 'key left in ignition' buzzer. With the tester clamped to ground and the red lead attached to the positive side of the circuit, the unit will sound when power is applied.
RATING:
(0)
Post a comment
Feb 01, 2014 4:23 PM
DIYer
Not a bad idea. Good use for a part that would otherwise just be discarded.
Nov 02, 2013 10:09 PM
daveward
This is brilliant...annoying sound...but brilliant.
Read all comments
Rate this build:
CATEGORIES:


DIY 12v Audible Circuit Tester - comment on how to build a 12v Audible Circuit Tester - 2 comments
DIYer says:
Feb 01, 2014 4:23 PM
Not a bad idea. Good use for a part that would otherwise just be discarded.

daveward says:
Nov 02, 2013 10:09 PM
This is brilliant...annoying sound...but brilliant.

Related Homemade Tools:



Signup for our newsletter and get the 50 Best Homemade Tools eBook free!