ABW Metronome & Low-pass Filter Kits

Two fun audio projects for learning to solder

Available for pre-order

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Project Backers

Thank you for your support!


Eric J
Grafton, WI

Duane K
WARRENTON, VA

Chris W
New Mexico

Charles O
Mesa, AZ

Warren G
AUSTIN, TX

Andrei V
Bucharest, Romania

Ed R
Amesbury, MA

Owen C
Lexington, MA

Vincent C
Toronto, Canada

Bradford S
Brooklyn, NY

Kirk H
Nashville, TN

Israel S
Shrewsbury, MA

Bruce B
Burnaby, Canada

Peter W
Brooklyn, NY

David R
Bochum, Germany

Kevin C
NEW ORLEANS, LA

Aidan M
El Cajon, CA

Daniel F
Northridge, CA

Janz C
Buffalo, NY

Duane B
Denver, CO

Dorant S
Greensboro, NC

Erich W
Hechingen, Germany

Brett S
Springfield, IL

IVAN M
SEATTLE, WA

Shane D
East Pittsburgh, PA

Christina M
Calgary, Canada

Timur I
Moscow, Russian Federation

Winslow W
Derry, NH

Zane R
State College, PA

David B
Winter Garden, FL

James C
Broomfield, CO

Tokala F
Asheville, NC

Dustin A
Austin, TX

Sophia B
MIAMI, FL

Karl K
Columbia, MO

James P
Pittsburgh, PA

Nicholas K
Redwood City, CA

Joseph H
Lexington, KY

James G
Boston, MA


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