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Build a Hackable Bytebeat Player at the RI Mini Maker Faire

The Rhode Island Mini Maker Faire is this Saturday, featuring dozens of makers alongside the usual music and shenanigans of AS220’s annual Foo Fest. Each year we run a soldering workshop as part of the Faire; this year we’ll be making a hackable bytebeat player from Modern Device, the Byteseeker …

$10 Robot Challenge: Can you do It?

<i>The Lollybot, last year’s challenge winner. Via Thomas Tilley.</i><p>The Ultra Affordable Educational Robot race is on! Well, the contest – otherwise known as the $10 Robot Design Challenge – is running, anyway. A run through last year’s entrants will give you a good idea of just how much is possible.<p>I …

Building Memory Registers With Transistors

Instructables user Teslaling built 3 bits of RAM because he didn’t have enough transistors, resistors, and breadboards for 8! His proof-of-concept uses 8 NPN transistors and 8 resistors for each bit.<p>The basis of the circuit is the SR Flip Flop. This flip flop circuit uses 2 inputs, Set and Reset, …

Using NeverWet to Protect Electronics

Last month we covered NeverWet, a chemical sold by Rust-Oleum that you can apply to stuff to make it resist water. Now, Adafruit has taken it to the next level by coating various electronics including one of MAKE alumna Becky Stern’s projects, the Flora bike helmet. It sounds like a fun tool to …

Component of the Month: The Transistor

<i>Each month this year, we’re exploring a different electronic component, delving into what it is, how it works, and how you use it in projects. Last month we covered capacitors, and before that we looked at LEDs and diodes. This month we examine tranistors! As always, we’ll start things off with an</i> …

Arduino

How to Make a Homebrew NMOS Transistor

Jeri Ellsworth shows how to build your own NMOS transistor out of a kiln, vinyl cutter, Emulsitone, stain remover, and a silicon wafer she found on Ebay. Be sure to check out Jeri’s YouTube videos, which feature a glorious array of nerdy projects. Some of her other videos include other experiments …

Visiting the Leatherman Tool Factory

Core77’s Kat Bauman visited the Leatherman Tool plant and interviewed product manager Blair Barnes, who offers a lot of cool insights on building multitools. One of the funniest things he mentioned is that when building a tool for the military, it had to be “Batman” so teenage soldiers would want …