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Bike helmet larson scanner! #WearableWednesday

Neat bike helmet larson scanner project from Brentmore Labs!

Now that I’m biking more, I’ve begun outfitting my helmet with lots of useless practical tech in the name of safety. Not long ago, I found the helmet-mounted flashlight that I used during my deployments. With a little finagling, it fit nicely on my bike helmet as well. To complement that front-facing flashlight, I finished this project featured here: rear safety lights. These lights are just like cylon scanners, or KITT’s strobe in Knight Rider. It’s basically a strip of LEDs that bounces back and forth from edge to edge.

The brains behind the light show is a Trinket, Adafruit’s mini Arduino-compatible micro controller based on the Atmel ATtiny85 chip. It’s extremely lightweight and fairly easy to configure. Here’s a photo of the Trinket connected to the NeoPixel strip via a protoboard.

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Featured Adafruit Product!

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Adafruit Trinket – Mini Microcontroller – 5V Logic: Trinket may be small, but do not be fooled by its size! It’s a tiny microcontroller board, built around the Atmel ATtiny85, a little chip with a lot of power. We wanted to design a microcontroller board that was small enough to fit into any project, and low cost enough to use without hesitation. Perfect for when you don’t want to give up your expensive dev-board and you aren’t willing to take apart the project you worked so hard to design. It’s our lowest-cost arduino-IDE programmable board! Read more.


Flora breadboard is Every Wednesday is Wearable Wednesday here at Adafruit! We’re bringing you the blinkiest, most fashionable, innovative, and useful wearables from around the web and in our own original projects featuring our wearable Arduino-compatible platform, FLORA. Be sure to post up your wearables projects in the forums or send us a link and you might be featured here on Wearable Wednesday!


Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.

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