How-To: Brake Light Backpack for Cyclists

Sean Michael Ragan

I am descended from 5,000 generations of tool-using primates. Also, I went to college and stuff. I am a long-time contributor to MAKE magazine and makezine.com. My work has also appeared in ReadyMade, c't – Magazin für Computertechnik, and The Wall Street Journal.

2399 Articles

By Sean Michael Ragan

I am descended from 5,000 generations of tool-using primates. Also, I went to college and stuff. I am a long-time contributor to MAKE magazine and makezine.com. My work has also appeared in ReadyMade, c't – Magazin für Computertechnik, and The Wall Street Journal.

2399 Articles

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Brake Light Backpack

MAKE alum Becky Stern is doing great work in wearable electronics over at Adafruit these days. Her latest project? A backpack, fit with waterproof LEDs and Adafruit’s FLORA sew-on microcontroller, that provides high-sight-line brake- and turn-signals for motorcyclists and bicyclists. A FLORA add-on accelerometer automatically detects braking, and the turn signals arrows can be manually activated with a wireless keyfob. Becky makes better video tutorials than anyone I know of. Check it out.

Flora Brake Light Backpack

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