# Flora Brake Light Backpack ## Overview http://www.youtube.com/watch?v=KwNGdAZKIr8 My friend asked if I could help make him more visible on his motorcycle, so Tyler Cooper and I designed a brake light backpack that uses a Flora accelerometer to auto-detect braking behavior on a motorcycle or scooter. It also has turn signals triggered by a simple wireless module, and can still leaves plenty of room for your stuff in the pack! This is a complex project with many components! Here are some recommended prerequisite guides: - [Getting Started with FLORA](http://learn.adafruit.com/getting-started-with-flora "Link: http://learn.adafruit.com/getting-started-with-flora") - [Flora Accelerometer](http://learn.adafruit.com/flora-accelerometer) - [Next Page](https://learn.adafruit.com/flora-brakelight-backpack/tools-and-supplies.md) ## Featured Products ### FLORA - Wearable electronic platform: Arduino-compatible [FLORA - Wearable electronic platform: Arduino-compatible](https://www.adafruit.com/product/659) FLORA is Adafruit's fully-featured wearable electronics platform. It's a round, sewable, Arduino-compatible microcontroller designed to empower amazing wearables projects.FLORA comes with Adafruit's support, [tutorials and...](http://learn.adafruit.com/category/flora) In Stock [Buy Now](https://www.adafruit.com/product/659) [Related Guides to the Product](https://learn.adafruit.com/products/659/guides) ### FLORA Accelerometer/Compass Sensor - LSM303 [FLORA Accelerometer/Compass Sensor - LSM303](https://www.adafruit.com/product/1247) Add motion and direction sensing to your wearable FLORA project with this high precision 3-axis Accelerometer+Compass sensor. Inside are two sensors, one is a classic 3-axis accelerometer, which can tell you which direction is down towards the Earth (by measuring gravity) or how fast the board... No Longer Stocked [Buy Now](https://www.adafruit.com/product/1247) [Related Guides to the Product](https://learn.adafruit.com/products/1247/guides) ### 12mm Diffused Flat Digital RGB LED Pixels (Strand of 25) [12mm Diffused Flat Digital RGB LED Pixels (Strand of 25)](https://www.adafruit.com/product/738) RGB Pixels are digitally-controllable lights you can set to any color, or animate. Each RGB LED and controller chip is molded into a 'dot' of silicone. The dots are weatherproof and rugged. There are four flanges molded in so that you can 'push' them into a 12mm drill hole in... No Longer Stocked [Buy Now](https://www.adafruit.com/product/738) [Related Guides to the Product](https://learn.adafruit.com/products/738/guides) ### 4 x AA Battery Holder with On/Off Switch [4 x AA Battery Holder with On/Off Switch](https://www.adafruit.com/product/830) Make a nice portable power pack with this 4 x AA battery holder. It fits any alkaline or rechargeable AA batteries in series. There's a snap on cover and an on/off switch which can be handy when wiring to something without a switch. **New**! We now have 0.1" headers... In Stock [Buy Now](https://www.adafruit.com/product/830) [Related Guides to the Product](https://learn.adafruit.com/products/830/guides) ### Simple RF M4 Receiver - 315MHz Momentary Type [Simple RF M4 Receiver - 315MHz Momentary Type](https://www.adafruit.com/product/1096) These Simple RF receivers are the easiest way possible to add wireless control, painlessly! There's no programming, configuring or addressing - simply power the receiver with ~5 VDC and press the buttons on our matching RF keyfob remote. When the A button is pressed, it activates the first... In Stock [Buy Now](https://www.adafruit.com/product/1096) [Related Guides to the Product](https://learn.adafruit.com/products/1096/guides) ### Keyfob 4-Button RF Remote Control - 315MHz [Keyfob 4-Button RF Remote Control - 315MHz](https://www.adafruit.com/product/1095) This 4-button keyfob remote goes with [our three basic 315MHz RF receiver modules](http://adafruit.com/category/112). It will work with all of them, sending out one of four commands that match up with the four outputs. Its small and light weight and will work up to 25 feet away... Out of Stock [Buy Now](https://www.adafruit.com/product/1095) [Related Guides to the Product](https://learn.adafruit.com/products/1095/guides) ### Tactile On/Off Switch with Leads [Tactile On/Off Switch with Leads](https://www.adafruit.com/product/1092) Squeeze once to turn on, squeeze again to turn off! This clicky switch makes a great power switch or mode toggler. We like this switch because it's easy to embed in a seam for easily powering up/off wearable and fabric projects. Can handle up to 14V and 2 Amps! This is a really satisfying... In Stock [Buy Now](https://www.adafruit.com/product/1092) [Related Guides to the Product](https://learn.adafruit.com/products/1092/guides) ### Small Plastic Project Enclosure - Weatherproof with Clear Top [Small Plastic Project Enclosure - Weatherproof with Clear Top](https://www.adafruit.com/product/903) Store your project safe and sound in this nice weatherproof box with a clear top. We picked up this box because we like the machinable ABS plastic body and tough clear polycarbonate cover, the built in weatherproof gasket seal, and the easy-open screws that can be taken apart as many times as... In Stock [Buy Now](https://www.adafruit.com/product/903) [Related Guides to the Product](https://learn.adafruit.com/products/903/guides) ## Related Guides - [Firewalker LED Sneakers](https://learn.adafruit.com/firewalker-led-sneakers.md) - [Adding Third Party Boards to the Arduino v1.6.4+ IDE](https://learn.adafruit.com/add-boards-arduino-v164.md) - [Chameleon Scarf](https://learn.adafruit.com/chameleon-scarf.md) - [How to Find Hidden COM Ports](https://learn.adafruit.com/how-to-find-hidden-com-ports.md) - [Plush Game Controller](https://learn.adafruit.com/plush-game-controller.md) - [LED Ampli-Tie](https://learn.adafruit.com/led-ampli-tie.md) - [STEAM-Punk Goggles](https://learn.adafruit.com/steam-punk-goggles.md) - [LED Stego Flex Spike Hoodie](https://learn.adafruit.com/led-stego-flex-spike-hoodie.md) - [Wearable Piezo Tones with Flora](https://learn.adafruit.com/wearable-piezo-tones-with-flora.md) - [Experimenting with NeverWet + Electronics](https://learn.adafruit.com/neverwet-electronics.md) - [FLORA TV-B-Gone](https://learn.adafruit.com/flora-tv-b-gone.md) - [Flora TSL2561 Lux Sensor](https://learn.adafruit.com/flora-lux-sensor.md) - [Flora-Powered TARDIS Costume (for Dogs!)](https://learn.adafruit.com/wearable-flora-powered-tardis-costume-dogs.md) - [3D Printed Flora Band](https://learn.adafruit.com/3d-printed-flora-band.md) - [Datalogging Hat with FLORA BLE](https://learn.adafruit.com/datalogging-hat-with-flora-ble.md)