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Found 14 results

  1. If you have one of those 5050/WS2811 aka WS2812 strips and you want to "wear" it, I have a board for you. Here are the specs: 20pin MSP430G2xx3 5V power supply 0.05" programming header UART input (allows pixel or sequence control) 11mm wide (0.45") 25mm long (1") 32mm long (1.25") - version with memory optional SOIC SRAM or EEPROM 1mm thick There are 4 boards on the panel, 2 with memory option. Assembled boards Board in the sleeve Board attached to 30 LED strip (0.5m)
  2. As an electrical engineering student at John Brown University, we were tasked with creating a useful product or service using the combined skills gained through our embedded systems class. As someone who likes interior decorating and hates mismatched paint, I came up with the idea to make an RGB color sensor attachment for a camera. Of course converting RGB data to paint colors is not conventional, it is something that could potentially be viable. To make things interesting and for the experience of working with a Raspberry Pi, I used a raspberry Pi camera to act as the base for the project. A
  3. Hi Everyone, I have made available binaries and source code for an RGB lighting project called LightServer that I thought some of you would be interested in. The best way to see what you can do with LightServer is to view the videos on Vimeo here - https://vimeo.com/album/3015956 No coding experience required to set this up and use. Technical Details LightServer uses the Tiva C LaunchPad and the CC3100 Wi-Fi BoosterPack and a custom BoosterPack (Eagle files included
  4. 3 channel, high power LED driver, built to fit 10W RGB LEDs (those things are blindingly bright!) Now on Tindie.
  5. About a year ago, in an effort to reduce cost of my DMX decoders, I have started to look for an alternative to MSP430. One chip that really fit the bill was STM8S003K3. It has 1K RAM, it's fairly cheap, comes in package that is easier to solder than TSSOP, has 5V operating voltage (less parts and cheaper parts,) HF crystal oscillator, UART, and 4 channel timer. In addition, STM has few nice low cost DISCOVERY eval boards, some of them cost only $7. My initial work was halted for various reasons, but last week I have decided to resume and the software is almost done. However, not eve
  6. I have started to develop a slot machine based an 8x8 RGB matrix. I intend this to be a learning experience, and I am going to focus on the logic and control of the game. Hardware: Tiva C Launchpad TLC5947 breakout from Adafruit 8 PNP transistors 8 1k resistors As of right now, I have 2x2 sprites in 6 colors representing the symbols on the reels. Each 'spin', I populate an array representing the matrix with randomly chosen colors of sprites and place them in the matrix. Then I set a random number of rotations where the symbols spin and then slow down and come a stop. As of right now,
  7. This project is an update to the binary clock that I used on my desk. The new version has a lot of new features including RGB leds(WS2812), a bigger microcontroller(The Olimexino-5510 board), capacitive touch and light sensor. My first idea was to have something based on the MSP430G2553, a couple of WS2812 leds and capacitive touch. But after comparing the work i would have to do, and very few rewards to the Olimexino-5510 functionality I quickly reconsidered. The Olimexino-5510 provides quite a few things I wanted: MSP430F5510 Battery Charger USB capabilities Arduino Form Factor So all I ha
  8. Created as part of GB#11, this booster pack uses 5050 RGB LEDs with integrated WS2811. Will post code examples later on. BTW, I cannot get a preview of this YouTube video to show up, can you check it out B#?
  9. Hi Gents, I've modified the SpaceLen driver to receive commands from '433mhz remotes' to drive ledStrips. These controllers + remote cost a whoping 5$, and drive upto 2A a led (so 6A in total, so rather cheap for the capabilities. Using this library, you mimic the remote. Unfortunately sending custom commands, other than replayed remote commands seems impossible, without flashing the original uC in the receiver. edit: both sending and receiving works. The code can be found on: https://github.com/vinietje/LedProtocol the controllers look like: https://github.com/vinietje/
  10. Hello everyone! I'm continuing my project of creating an RGB LED matrix capable of displaying live images being transmitted from a laptop via a serial cable to the MSP430G2553. At the moment, I'm coding four 8x8 Common Anode RGB LED matrices joined together to create a 16x16 display. Hardware I'm using: - 3 * TLC5940s (one for each colour) - 2 * 74HC595 shift registers (drives the columns/anodes) I'm using code provided by RobG from this link <http://forum.43oh.com/topic/2315-tlc5940-examples/> and this one <http://forum.43oh.com/topic/3328-rgb-to-hsv-conversion-with
  11. MSP430g2553 ALL DOCUMENTATION BELOW Playing with IR receiver (IR Library from Energia) and RGB led. I cant write analog values to my RGB led without breaking the program. I connected the three outputs to analogWrite capable pins. All works great when writing 0 or 255 but the library stop working well when i try to write other value to make the color less bright. Then i read about timers and PWM. I notice my library use Timer1_A so i need to connect leds to pins capable of analog writing but using Timer0_A. These pins were three, but one is RXD of Serial and messed things up. So I changed
  12. I bought some addressable RGB Leds from Dealextreme and instead of the expected WS2801 chip, they came with TLS3008 drivers (8bit control for each colour, single wire, different protocol from WS2811 too). It took some time with the osciloscope to get the timing right but this now works perfect. This is in C rahter than assembly but I can get a decent update rate. I do not work with the full 50 Leds as there is not enough RAM in the chip I use (2231) but I tried looping the code to work with the full length, that worked ok except on one set of Leds which was sometimes lagging, I think that thi
  13. Hi all! I was wondering if anyone has used this algorithm with the G2231 before? I'm trying to use it but I keep getting an error message saying: "program will not fit into available memory. placement with alignment fails for section ".text" size 0x142e ." The reason I am trying to implement this is so I can represent exact colours for RGB LEDS in a large-ish matrix. Does anyone know a method to decrease the amount of memory being consumed by this algorithm, or increase the amount of memory allocated to ".text"? Any advice would be greatly appreciated. Here is the code I
  14. I have several of these case fans installed on my PC. Each fan uses four standard 5mm LEDs like the one pictured here. I'd like to replace each LED with an RGB LED controlled by a ws2801 ic. I plan to design a small PCB which would include the ws2801 controller along with a 5mm RGB LED. I would probably just control the whole thing with a Launchpad and use the USB to UART connect for communication with a visual basic or python app on the PC side. The board I'm planning would almost identical the Sparkfun ws2801 breakout, the only differences being the dimensions and LED type. This will
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