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You said: "I first attempted to power my display from my arduinos 5v. This worked, but only halfway – the display fired up, and started cycling the demos in the sketch we will see later on, and then froze after a few seconds. I then powered my display from my external 5v supply (with common ground to the arduino), which did the trick – the display is now working properly".This is somewhat strange ... some of the replyers have no problem with powering from the arduinos 5V?
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