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Dr. Honeydew and Beaker Hal...View Instructable »
It would work physically, but you would have no control over what was displayed. If you wanted to set the default mode to just display a game of "pong" or something, that would be an small change in the code, which you could implement. To your point, the joystick is not absolutely not necessary for the display to function.
Real-Time IoT Poll Tracking...View Instructable »
Very nice project! I wrote up a similar project with a handbag instead of a messenger bag: http://www.geekmomprojects.com/led-matrix-handbag-2-0-how-to/I used Node-RED and a mosquito MQTT server to parse the Twitter feed, which cut out the work of connecting to the Twitter API. Also, the network connection runs over BLE to an Adafruit app called Bluefruit, which is capable of subscribing to an MQTT feed. BLE will last longer running off of a battery. Of course your project can run independently of a smartphone, which is nice. Great job on this!
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