![]() With all LEDs ON and WHITE (the most current-hungry RGB color selection) the total current draw was around 340mA. The idle current draw with all LEDs OFF, but powered up via the 5V connection, was around 68mA. I ran some initial experiments to test the panel's current consumption. Each LED (ignoring PWM dimming) can either be set OFF, RED, GREEN, BLUE, or any combination of the 3. Keeping it brief, the panel is powered through a 5VDC connection. The tutorials above go into much greater detail about the LED Panel's operation. Here are some other tutorial links I also found useful: another Adafruit tutorial, BigjBehr's tutorial, and Ramin Sangesari's tutorial. Big shout out to their team, they have great content. I think many companies make this product and they all more or less follow the same hardware and interface protocols.Īfter a little Googling, I found Adafruit's tutorial on controlling LED panels with a Raspberry Pi to be extremely helpful (okay, crucial). My 32圆4 Pixel RGB LED Panel was purchased off Amazon, iSparkLED brand, but who really knows. ![]() ![]() It was a fun simple project that I use (look at) every single day and it's still running perfectly fine today (December 2020). I didn't even know what type of weather information I wanted or could display at this point, it was more of an exploratory project that I ended up being very happy with. Instead of looking on my phone or a website for basic weather information of the day, I would have it hanging on my wall always updated with current information just waiting to be looked at. I chose to use the display for a simple weather app I could mount in my apartment. Then in the summer of 2019 I decided to put it to use and make a personal project out of it. I think I might have powered it up with some Arduino code I found online just to make sure all the LEDs worked, but it really just sat in a drawer collecting dust for a year. I tend to go on buying binges for electronics periodically. I bought a 32圆4 RGB LED Panel in May of 2018 just for the hell of it.
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