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update for tindie store update
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POWER.md

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### Critical Limitations of Power Option 1
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**If you sourced your ESP32 from AliExpress** (white backed PCB), I would not recommend this method unless you are confident your whole project will not exceed `5W`. I have tested these boards pulling `5W` for 30 minutes with no issues. But in another test, supplying `7W` melted the Micro-USB port's `5V` trace in less than 1 minute.
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**If you sourced your ESP32 from Amazon** (black backed PCB), I tested this method with `2A` flowing through to the panels for over 2 hours (`11W` total power over the Micro-USB port). Many components got quite hot, including: the LDO, Serial-to-USB chip, VIN pin, and Micro-USB port. I measured temperatures as high as 90°C. This heat is less than ideal, which is why I recommend using `Power Option 0` or `Power Option 1` instead.
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**If you sourced your ESP32 from Amazon** (black backed PCB), I tested this method with `2A` flowing through to the panels for over 2 hours (`11W` total power over the Micro-USB port). Many components got quite hot, including: the LDO, Serial-to-USB chip, VIN pin, and Micro-USB port. I measured temperatures as high as 90°C. This heat is less than ideal. In a later test with a different batch, I was not able to reach `2A` before having issues, which is why I recommend using `Power Option 0` or `Power Option 2` instead.
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## Power Option 2: Separate power for ESP32 and panels

README.md

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# Drive HUB75 LED panels using an ESP32-DEVKIT-V1 and SmartMatrix library
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[![Demo](https://github.com/rorosaurus/esp32-hub75-driver/raw/master/images/demo.gif)](https://www.youtube.com/watch?v=UengvMiGzF8)
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# [Buy this PCB on Tindie! ![I sell on Tindie](https://github.com/rorosaurus/esp32-hub75-driver/raw/master/images/tindie.png)](https://www.tindie.com/products/18357/)
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# Buy [as a DIY kit](https://www.tindie.com/products/18357/) or [pre-assembled](https://www.tindie.com/products/19114/) on Tindie! [![I sell on Tindie](https://github.com/rorosaurus/esp32-hub75-driver/raw/master/images/tindie.png)](https://www.tindie.com/stores/rorosaurus/)
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## Features
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* Compatible with [SmartMatrix](https://github.com/pixelmatix/SmartMatrix/tree/teensylc) and [FastLED](https://github.com/FastLED/FastLED) libraries!
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* Play animated .gifs on your LED panel using [Marc Merlin's AnimatedGIFs sketch](https://github.com/marcmerlin/AnimatedGIFs)!
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* Play animated .gifs (from SPIFFS) on your LED panel using [Marc Merlin's AnimatedGIFs sketch](https://github.com/marcmerlin/AnimatedGIFs)!
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* Animate scrolling text (and more!) using [SmartMatrix's FeatureDemo](https://github.com/pixelmatix/SmartMatrix/tree/teensylc/examples/FeatureDemo)!
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* ESP32 provides 2.4GHz Wifi/Bluetooth capability, and is Arduino compatible!
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* The PCB connects all 16 pins needed to drive HUB75 panels using [`ESP32_FORUM_PINOUT`](https://github.com/pixelmatix/SmartMatrix/blob/teensylc/src/MatrixHardware_ESP32_V0.h#L37) from SmartMatrix library.
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* 128x64px (8,192px total) is technically possible, but you'll be limited to a small .gif color pallete and < 20 frames of animation, otherwise you will experience lag/stutter artifacts in the output visuals. To get Wifi working with this size of panel, I [hacked SmartMatrix to remove the double buffer](https://github.com/rorosaurus/SmartMatrix/commit/c46fe8d7be686caaaa3b7198bc4b7b24c6114df8). This results in some screen tears, so I don't recommend this for everyone.
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## Example Projects
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* [FurretTotem](https://ravefurret.com/): HE WALK! This cute little guy just keeps on walking.
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* [Project Mc2 LED Purse](https://github.com/rorosaurus/project-mc2-led-purse): Cheap children's toy you can harvest a good beginner panel from!
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* [FurretTotem](https://ravefurret.com/): HE WALK! This cute little guy just keeps on walking. Large (128x64px) LED panel, battery powered, Wifi controlled.
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* [Project Mc2 LED Purse](https://github.com/rorosaurus/project-mc2-led-purse): Cheap children's toy you can harvest a good beginner panel from! I have several example sketches here for a variety of basic introductory projects!
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* For more example projects and code, check out [`SOFTWARE.md`](https://github.com/rorosaurus/esp32-hub75-driver/blob/master/SOFTWARE.md)!
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## Assembly Instructions
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Some assembly required! (Soldering ~46 pins.) Full assembly instructions and more detailed information can be found here: [`ASSEMBLY.md`](https://github.com/rorosaurus/esp32-hub75-driver/blob/master/ASSEMBLY.md)

images/assembled-kit/attach-esp32.png

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images/assembled-kit/back.png

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images/assembled-kit/front.png

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