Electronic Nerd Mind

Projects, inspirations, fun.

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The final video of my LED Matrix project ! Works great :)

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My last project :). A red LED matrix display, controlled by Bluetooth ! Just turn it on, download a Bluetooth terminal on your Android Smartphone, connect to it and there you go ! Send any message you want (250 char. max) ! Controled by an Arduino Nano. It uses the HC-06 Bluetooth module and two Red LED matrix with 74hc595 chip !

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To avoid draining the battery, I clear the neopixel strip after displaying the color ! The reset button of the arduino is use to read another color by restarting the program.

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Today I played with my new XBEEs, some Neopixels and the TCS34725 color sensor from Adafruit ! One XBEE is configured as an End Point (the one with Neopixels), the other as Coordinator (color sensor) ! After each reset, the arduino Coordinator reads the value from the color sensor and send 3 bytes to the Arduino End Point (byte 1: red, byte 2: green, byte 3: blue). Then, those 3 bytes are send to the Neopixel strip to be displayed as mixed colors !

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I also buyed storage boxes for my electronic components and modules.. I’ll try to keep everything in order ... at least for two days.

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Right now I’m just tryin to communicate between two Arduinos on my local network.. The code works O.K ! Now I need to learned a bit about HTML and CSS for my web server page.. *roll my sleeves up*

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Yay ! I buyed myself some Arduino-compatible communication devices ! :) I’m currently working on a domotic system based on the Arduino Ethernet Shields, relays and sensors ! I’ll show you more later ;)

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Done ! My “Trust Your Technolust” Bluetooth LE controled sign is finally done :D I made an Android application to control the light’s colors and animations. It is controled by an Arduino compatible board, and uses Neopixel strips and the Bluetooth EZ-LINK ! It runs on battery, up to 8 hours depending on the animation and light displayed ;)

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O-oh ! My first project is on its way ! It’s going to be shiny and colorfull ! Well ok, for now it’s pretty much dark. Stay tuned for more coming soon ;)