- Electronic Schematic Diagrams for Experimenters and Technicians by David Herres
Read about some of the options you have to create your own professional looking diagrams.
N&V May 2012
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Description
Features
Projects
- Build the Poor Man’s Seismograph by Ron Newton
A PIC-based, DIY seismograph that uses old school pendulum technology.
- Build a Sound-Activated Laser Parking System by Paulo Oliveira
If you’d like to break free from your “hanging tennis ball” method of parking, check out this approach which utilizes two ordinary low power laser pointers.
Column
- Techknowledgey by Jeff Eckert
TechKnowledgey 2012
This month, read about really twisted radio, no-compromise sound from your PC, a sonic screwdriver, plus some other interesting stuff.
- The Spin Zone by Jon Williams
The Spin Zone
Back to the Beginning.
- Q&A by Russell Kincaid
Reader Questions Answered Here
AC ammeters, battery internal resistance, and transformerless power supplies are discussed this time.
- The Design Cycle by Fred Eady
The Design Cycle
Control Gadgets With Your Smart Phone.
- Near Space by L. Paul Verhage
Near Space
Making One Camera Do the Work of Three.
- Smiley’s Workshop by Joe Pardue
Smileys Workshop: An AVR C Programming Series (Part 46)
Chaser Light Marquee — Part 2.
- Fundamentals For Beginners
Build a Nose Beeper
With this circuit, when you touch your friend’s nose you can make the speaker sound.
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