Help with hardware choice game design early stages

Hardware
1

I've only brief experience with Ardunio products and projects but I have made some with nanos etc. I will eventually work with someone qualified on this design but for now I'd just like a rough guide so I can actually talk to a designer and sound somewhat knowledgeable.

What it is and what it needs to do.

  1. A 28 LED array across a 300mm x 300mm expanse (laid out in a pattern ((not a grid))
  2. Light up 1 single LED chosen at random from 28.
  3. Light up predetermined pattern of those LEDs, ‘maybe’ animation (see 6 for trigger)
  4. Button to press to start random LED choose or various functions
  5. A passive buzzer with different tones that go with the different sequences of lights or functions
  6. A camera that can scan QR codes. These codes can be scanned one after another and the QRs make a modifier figure. Multiple QRs can be added then you press the button and all numbers get added to a random number. The result is displayed as one of the patterns in the LED array.
  7. Power via USB if possible.

Finally I will be looking to get the finished electronics manufactured so end price will very important so this prototyping stage should hopefully look to use cost effective components for the final design.

Also any recommendations for individuals or small companies who might be good to work with?

2

Similar request was made recently.

Modified the sketch from the earlier request. All it does is step 1, 2.

3

probably any arduino would be fine for this.

if you want the QR Code to work reliably (ie reading an UART with most scanners) you can't block the MCU because of LED animations as you risk loosing bytes.

➜ Depending on your exact requirements you might need to switch to APA102 or equivalent LEDs instead of the cheaper "Neopixels".

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