Make: Online : HOW TO - Build an ammeter

HOW TO - Build an ammeter

Ammeter1
Scientific Explorations with Paul Doherty shows how to build an ammeter - "An ammeter is a device that detects an electric current. With some readily available materials, you can build your own ammeter and use it to measure current produced by batteries including homemade batteries and generators." - Link.

Comments

Oldest comments listed first.

Posted by: jennifer on March 12, 2008 at 11:03 AM

do you have any homemade battery pic.?????

Reply to this comment

Posted by: Alan Drysdale on August 26, 2008 at 12:11 PM

This is a galvanometer, not an ammeter. And you could make it more sensitive by sticking a small mirror on the magnets and shining a laser pointer at it.

Reply to this comment

Subscribe to MAKE Magazine!

Subscribe today, save 42% and get web access to MAKE free. MAKE Digital Edition is available only to subscribers.

$34.95 / 1 year
(4 Quarterly Issues)

Subscribe now

Void your warranty, violate a user agreement, fry a circuit, blow a fuse, poke an eye out. Make: The risk-takers, the doers, the makers of things... Welcome to Make: Online!

Check out all of the episodes of Make: television

Connect with MAKE

	MAKE on Facebook Visit our Facebook page and become a fan of MAKE!
	MAKE on Twitter Follow our MAKE tweets!
	MAKE on Flickr Join our MAKE Flickr Pool!

make_tips on Twitter

MAKE's RSS feed is here.
Add MAKE to iGoogle - GoogleGoogle.
How to add MAKE to your RSS reader - Real simple.
Add MAKE on FriendFeed

Why advertise on MAKE?
Read what folks are saying about us!

Click here to advertise on MAKE!

Make: Online authors!

Gareth Branwyn
Senior Editor

Phillip Torrone
Senior Editor
| AIM | Twitter

Becky Stern
Associate Editor
| AIM | Twitter

Marc de Vinck
Contributing Writer
| AIM | Twitter

John Park
Contributing Writer
| Twitter

Sean Ragan
Contributing Writer
| Twitter

Matt Mets
Contributing Writer
| AIM | Twitter

Dale Dougherty
Editor & Publisher
| Twitter

Shawn Connally
Managing Editor
| Twitter

Goli Mohammadi
Associate Managing Editor

Kip Kay Kip Kay
Weekend Projects
| AIM | Twitter

Collin Cunningham
Contributing Writer
| AIM | Twitter

Adam Flaherty
Contributing Writer
| AIM | Twitter

More contributors: Mark Frauenfelder (Editor-in-Chief, MAKE magazine), Kipp Bradford (Technical Consultant/Writer), Chris Connors (Education), Diana Eng (Guest Author), Peter Horvath (Intern), Brian Jepson (O'Reilly Media), Robert Bruce Thompson (Science Room)

Suggest a Site!

Current Podcast

Weekend Project: Making Char Cloth Learn how to make a cheap and effective fire starter made from an old t-shirt. To download The Char Cloth video click here and subscribe in iTunes. See Char Cloth in action with the Fire Piston from William Gurstelle.... More...