How-To: Brake Light Backpack for Cyclists
Check out what MAKE alum Becky Stern has been up to over at adafruit, lately.
leds
How Shift Registers Work
Kevin Darrah explains how those clever shift registers can trigger 8 LEDs with just two pins. [via Anton Olsen]
RasPi Controlled LED String
Alex Weber designed a web interface between his phone and a Raspberry Pi, which controls a string of addressable LEDs.
Flatsun Simulates Burning Solar Activity
It’s about a bilion times smaller than our actual closest star (140 cm, the artist made sure to make this exact), but Rafael Lozano-Hemmer has managed to recreate its glowing visuals in his art piece, Flatsun.
Sensing Hot and Cold with Weekend Projects
Combine an Arduino, an ultransonic distance sensor, and some common components to build a classic “hot/cold” project. Once assembled, we’ll walk through the software “sketch” loaded onto our Arduino, and experiment with three variations of the “hot/cold” theme, all the while using the same circuit.
Disco Jacket Responds to Guitar Licks
The “Super Guitar Licks Rock Star Jacket” responds to the frequencies being played on a guitar, and lights itself up with LEDs in real time.
Pumpktris, Tetris-in-a-Pumpkin
Pumpktris is a Tetris game enclosed in October’s most celebrated squash, the pumpkin. My favorite part? The stem is the game’s joystick.
