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LEDBOARD

Any size 32x32 RGB Led panels based Screen controlled by Windows application/Android app through WiFi/Network

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The goal of this project is to build a custom size RGB Led screen based on 32x32 RGB Led panels. This project screen size/resolution is 96x64 (ie, using six -6- 32x32 RGB Led panels). This screen will be used for show information about weightlifting athletes attempts from a C# .NET application which manipulates an Excel file with these athletes information. This application was be programmed using Free Sharpdevelop IDE and .NET Framework 3.5

PARTS FOR THIS PROJECT

The parts needed are available from any supplier, but I prefer Sparkfun and Futurlec electronic supplier. The list is as follow:

  1. Six (6 units:3 columns,2 rows for 96x64 resolution) RGB LED Panel - 32x32
  2. One Teensy 3.1/3.2 (the computer)
  3. One WiFi Module ESP8266
  4. One Power Supply (30A). You can recycle any PC Power Supply. I used one from an old IBM Netvista Desktop
  5. Screen Frame made of aluminium profiles. This can be obtained locally easily.
  6. One PCB/stripboard with LED BOARD design
  7. LM1117T-3.3 - LM1117T 3.3V 0.8A Low-Dropout Positive Regulator
  8. HEADS20 - 20 Pin .100" Straight Male Single Headers
  9. Two 1/4 W 4.7 K resistors
  10. One 10 uF Capacitor
  11. One 1000 uF Capacitor
  12. Soldering Iron and
  13. Solder Leaded - 100-gram Spool
Teensy 3.1ESP826632x32 RGB LED Panel
ATX Power SupplyStripboardLM1117T-3.3 - LM1117T 3.3V 0.8A Low-Dropout Positive Regulator
7805T - 7805 5V 1A Positive RegulatorHEADS20 - 20 Pin .100" Straight Male Single HeadersC1000U16E - 1,000uF 16V Radial Electrolytic Capacitor
C010U16E - 10uF 16V Radial Electrolytic CapacitorR0047K14W - 4.7kohm 1/4W 5% Carbon Film ResistorSoldering Iron - 30W (EU, 230VAC)
Solder Leaded

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  • 1 × Teensy 3.1 The Teensy is a breadboard-friendly development board with loads of features in a, well, teensy package. Each Teensy 3.2 comes pre-flashed with a bootloader so you can program it using the on-board USB connection: No external programmer needed! You can program for the Teensy in your favorite program editor using C or you can install the Teensyduino add-on for the Arduino IDE and write Arduino sketches for Teensy!
  • 6 × 32x32 RGB LED Panel These massive 32x32 RGB LED panels are an awesome place to start. You can create animations, games, or all sorts of other fun displays with them. Yes, you read that right: a 32x32 LED matrix, that’s 1024 LEDs on a 7.5" x 7.5" board. On top of all that, thanks to two IDC connectors, and a seamless frame, these panels can be daisy chained together to form even bigger LED displays.
  • 1 × WiFi Module - ESP8266 (Blue) The ESP8266 WiFi Module is a self contained SOC with integrated TCP/IP protocol stack that can give any microcontroller access to your WiFi network. The ESP8266 is capable of either hosting an application or offloading all Wi-Fi networking functions from another application processor. Each ESP8266 module comes pre-programmed with an AT command set firmware, meaning, you can simply hook this up to your Arduino device and get about as much WiFi-ability as a WiFi Shield offers (and that’s just out of the box)! The ESP8266 module is an extremely cost effective board with a huge, and ever growing, community.

  • 1
    Step 1

    Step 1: How to connect 32x32 RGB Led Panels

    This is the most important step. We need to test our six (06) panels with our 5VDC power supply; this is a very usable link to help us up in that goal: RGB Panel Hookup Guide from Sparkfun

    RGB LED Panel Back View

    Each RGB LED panel comes with two data cables, and one power cable. One of the data cables will be the INPUT from the computer (teensy 3.1/3.2) as show in figure above. The other data cable will be connected to the NEXT RGB LED panel and go on until reach the sixth panel.

    2 Data (left) & 1 power cables

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