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'''RGB LED banner''' Portable rechargable and (rain) waterproof For all your local NYAN needs! == Current status == [http://defeestboek.nl/n/res/24.html build log] v 0.4 * 12x8 LEDs * Plexiglas housing by [[User:Vermin|Vermin]] * STM32F4 * SD card slot module * ENC28J60 Ethernet module * MAX485 based RS-485 module v 0.3 * 12x8 LEDs * Plexiglas housing by [[User:Vermin|Vermin]] * STM32F4 different revision ;) * micro SD card slot * [http://techref.massmind.org/techref/io/lcd/panel1.htm Hitachi HD44780 16 x 2 char LCD] * Some buttons v 0.2 * 13x9 grid (12x8 LEDs atm) * Plexiglas housing by [[User:Vermin|Vermin]] * stm32f4 BOOM gone, two new ones ordered * SD card slot (played mp3 via helixplayer) v 0.1 * 7x7 grid * Cardboard * stm32f4 Runs plasma effects, rgba overlay + additive blending/alpha fading and text rendering [http://www.youtube.com/watch?v=sLp6q4v5aIE YouTube video of 0.1 prototype] == Ingredients == [[File:WS2801-50.jpg|200px|thumb|right|50 RGB LEDs]] '''Many many LEDs''' * 24bit color * WS2801 based * 5V power, max. 60mA * View angle: 60 degree * IP67 (protected against dust and immersion up to 1 m) [[File:STM32F4 discovery.jpg|200px|thumb|right|STM32F4 Discovery]] '''STM32F4 Discovery''' * 32-bit ARM Cortex-M4F core @168MHz * 1 MB Flash, 192 KB RAM * Over 60 (GP)IO Ports * External application power supply: 3 V and 5 V * CS43L22 audio DAC * Integrated class D speaker driver '''Banner cloth''' * '''TBA''' * Needs to house the LEDs and power wires * Sturdy material (vinyl) * Weather resistant * Eyes to hang up * Holes (+eyes?) for the LEDs [[File:Nyanbanner.png]] '''Housing and misc''' * '''TBA''' * Weather resistant * PSU Charger + LTC2941? + buck regulator ** LIPO * AMP ** + 2 waterproof speakers * SD card slot * Wirless?? * LCD screen and buttons * Cable to banner (3m?) + weatherproof connector at-least 2 wires for 6A? power + 2 data wires == Working on == This is a place where I would love to receive some input from the community ;) '''Software''' * [http://www.chibios.org/ ChibiOS/RT] / [http://www.keil.com/ RTX] / [http://nuttx.org/ NuttX] ? * Display driver / HAL * Battery / power state handling * USB / SD (have SD FATfs ect working) * Loadable system like [https://github.com/r0ket/r0ket r0ket] or something ;) ** apps to handle background tasks ** demo's animations and effects ** Audio player(s) (+mp3 decoding (worked) +SIDplay2 (planned but should be easy)) [http://git.etv.cx/?a=tree&p=nyan NYANcode in git] '''Hardware''' Stuff not yet (fully) functional or in planning stage * Power system ** Just 5V or different voltages needed? ** LIPO *** "Smart" charger system * Audio AMP ** 1W isn't enough! * DMX512-A both as receiver and transmitter via some RS-485 transceiver chip * Networking, preferably wireless {{OnFire |IsOnFire=Definitely }}
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