John Baichtal Author Profile | Make: DIY Projects and Ideas for Makers

What’s Inside an Array of Transistors?

08/15/2013

ZeptoBars recently broke down a 7-transistor ULN2003 Darlington driver chip and analyzed what each component does, identifying the resistors, diodes,...

Building Memory Registers With Transistors

08/14/2013

Teslaling's DIY RAM uses 24 NPN transistors and 24 resistors to create three bits of memory.

RobotGrrl Offering Tentacle Bot Kits

08/14/2013

Maker Faire staple Erin "RobotGrrl" Kennedy has a sweet new kit, called Botbait. It's a servo-controlled tentacle equipped with RGB...

Makers Steer Project Aura Toward the Marketplace

08/13/2013

Project Aura is a smart bike safety lighting system that creates POV light stripes on the wheels that change color...

Cyber City, a Modular Lego Cyberpunk Diorama

08/13/2013

BroLUG, a group of over a dozen Lego builders, collaborated to build this fantastic cyberpunk model. Each BroLUG member, who...

How did They Make That Huge Comic-Con Robot?

08/13/2013

How did they build that cool cosplay robot that looks like a RoboCop robot villain?

3D-Printed SkySweeper Robot Inspects Power Lines

08/12/2013

The SkySweeper, constructed with 3D-printed elements, is able to inch along power lines to inspect them. Built by UC San...

BPOW Festival Celebrates the Art of Salvaged Sound

08/09/2013

The BPOW festival in Portland, organized by Molecule Synth's Travis Feldman, celebrates circuit bending and electronic music.

12 Surprising Details About Lego Mindstorms EV3

08/09/2013

Yesterday I unboxed the new Lego Mindstorms EV3 set, and even before powering on the microcontroller brick, I'd noticed a...

Making Transistors out of Iron Pyrite

08/08/2013

Ryan Jordan's Derelict Electronics workshop helps participants create crude amplifiers out of chunks of iron pyrite.

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