LED Matrix Handbag 2.0 – How To

Bag PicturesMy previous post describes a handbag containing a Twitter-connected LED matrix.  The project was somewhat complicated to assemble – particularly the handbag sewing and construction.  This post describes a simpler and more practical way to incorporate an LED matrix into a handbag.  I’ve made several different versions of this project now, involving different styles of handbag.  The version described here produces a vinyl tote bag with contrasting accent fabric as seen above.

Video demonstration of the handbag below:

Read more

Tweet My Purse! (LED Matrix Handbag)

Handbag displaying "hi"
Handbag displaying “hi”

My goal with this project was to create a wearable electronics project that incorporated the electronics in an organic and subtle way.  The end result is a handbag containing a programmable 10×6 LED matrix hidden inside the lining, with the LEDs visible from behind metal eyelets.  The LED matrix is controlled by a Teensy 3.2,which connects to an iPhone via an Adafruit BlueFruit BLE UART Friend.  The Adafruit Bluefruit App on the iPhone subscribes to a MQTT feed (from Adafruit.io in this case), which streams data culled from Twitter via IFTTT.  Any tweets with the hashtag “#wearables” have their Twitter handle displayed on the handbag’s LED  matrix.  Video demonstration below:

Read more