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Found 24 results

  1. This is a project I completed for my Embedded Systems final at John Brown University. For this project, I wired and programmed an Arduino Uno using other parts ordered off of Adafruit to design LED lights that respond to sound. In this post, I will include my final report which documents the methods and results to this project. Final_Project_Report.docx
  2. I know that Stellaris is dead already. The only reason I still own an Stellaris EK because my friend gave it to me......for free and brand new! I just want to fade an LED, that's all ! And btw, are there any good tutorials for Stellaris MCUs? Thanks alot, to anybody that is willing to help me.
  3. A small project. G2211 PIR Sensor 5630 LED strips On/Off button Button Doubles as Test Mode Board half way done. Using a Reg104 DPAK (I'll stick to a TO-220 next time) as the regulator, and MMBT3904 sot-23 transistors on a board of my own design. The base resistors should be on the back, but I didn't have the right value 0805/1206 resistors at the time. Quite proud of my clean, flush mount, perfect fit for the button, led, and sensor. Two tricks. One, I used two pins to provide high to low, and low to high interrupts, instead of swapping the interrupt in code, since I won't
  4. Hey Guys, Exam times again, so I feel like I have a tonne of time for my projects. This is a project I started in February 2014. I found a very nice 8x8 dual colour LED display. I designed a PCB for them when I ordered them, instead of when I actually had them. I had built a PCB up with a G2542 8kb / 512b (Mem/RAM) but didn't manage to get it working. Over the last few weeks I got back into this project, and low and behold it did actually work!! I built up a new PCB because it was designed as a common cathode driver, but the displays were common anode.... (on the first board
  5. Hello everyone! I have just bought a C2000 Piccolo LaunchPad Evaluation Kit, de LAUNCHXL - F28027F. I have also just started learning to program in Energia, and I am following the tutorials in the guide section (they are very useful if someone is a beginer). While I was doing the first tutorial (Blinking LED), it appeared this error: "Put C2000 LaunchPad switches (S1) ON-OFF-OFF (UP-DOWN-DOWN), ensure the back channel serial connection is enabled, and press the reset button. If the download fails try a baud rate below 38400." I put the switches as it says, and I also decreased t
  6. 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
  7. 3 channel, high power LED driver, built to fit 10W RGB LEDs (those things are blindingly bright!) Now on Tindie.
  8. I'm very interested in this Dancing traffic light, can msp430 do this? https://www.youtube.com/watch?v=SB_0vRnkeOk
  9. Hello, I needed a large 3 digit display with remote control. All available didn't fit my needs, were quite expensive or not flexible enough. So I decided to create my own inspired by products I found. IR remote control looked simple and cheap enough, Seeedstudio sells some nice large 7 segment LED displays and prototype PCB manufacture in China doesn't cost much. First I LaunchPad prototyped the design with 8 channel serial LED driver, like SCT2168, and generic 3 pin IR receiver. I implemented NEC IR protocol with TimerA and bit banged serial display data output. All worked nicely
  10. Okay... yet another project from me. But this one is close to being real. Basically, it's a toothbrush timer for my nephew. The intent is that he can press a button when he's getting ready to brush his teeth, and the unit will do some LED dances that eventually turn into an LED blinking seconds, and 3 LED's light up based on how far along he is into the brushing ritual Blue LED is the 'second' indicator. Red LED indicates he's in the first minute of brushing. Yellow LED indicates he's in the second minute of brushing. Green LED indicates he's in the third, and final, minute of
  11. Hi, people I need some help,I do this code: #include <msp430g2553.h>/*MCU */ #define LED_VERMELHA BIT0 int SS = 0; int main(void){ WDTCTL = WDTPW + WDTHOLD; P1DIR |= (LED_VERMELHA); P1OUT &= ~(LED_VERMELHA); if (CALBC1_1MHZ ==0xFF || CALDCO_1MHZ == 0xFF) BCSCTL1 = CALBC1_1MHZ; DCOCTL = CALDCO_1MHZ; TA0CCR0 = 65500; TA0CCTL0 = CCIE; TA0CTL = TASSEL_2 + MC_1 + ID_3; _BIC_SR(GIE); /*ENABLE INTERRUPT*/ while(1){ } } #pragma vector=TIMER0_A0_VECTOR __interrupt void Timer_A(void) { /*TIMER0_A0 INTERRUPT SERVICE ROUTINE*/ SS++; P1OUT ^= LED_VE
  12. I've just started playing around with my msp430 ez-2013 that my uncle gave me a while back (I've been too busy with school and whatnot until now ) and am trying to use the ez-2013 to control a transistor that will flash an externally powered LED. So far I've had no luck with it. I'm using a 2n222 transistor with a 10k ohm resistor from P1.0 on the ez-2013 to the base and a 10k ohm resistor on the emitter, with the anode of the LED attatched to the collector and the cathode attached to +6V. The resistor on the emitter is attached to ground. The led is powered seperately from the microcontrol
  13. 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#?
  14. 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/
  15. This is an 8x8x8 LED cube, designed by me, i think its the most compact circuit i have ever seen on the internet regarding a cube of this size...
  16. new project - LED propeller, its pixels are fixed, the speed of the motar have no effect on that.... http://www.youtube.com/watch?v=4jmODg4TcKE
  17. 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
  18. Hello, I've just started learning the basics of launchpad programming thru the samples in energia. As an exercise, I'm trying to control the green LED intensity from the PC keyboard using code from the PhysicalPixel and Fade samples. I'm sending keyboard input via the Serial Monitor window of energia. The code successfully uploads to the msp430g2231 but I'm not getting the result I'm expecting. That is press 'H' and 'L' to increase and decrease the LED intensity. Here's the code: int brightness = 128; int incomingByte; // a variable to read incoming serial data into
  19. In the past few month our older daughter woke up in the middle of the night once in a while. She didn't know whether it was late enough to get up and ready for Kindergarten. So she woke my wife and myself up and asked. Bad idea... I needed a solution for her without the need to read the clock. So I decided to build the "Sundial" clock for her 4th birthday. Well this idea came up maybe 2 month before her birthday. This brought me under pressure to complete it, but I had a good plan and it was ready the day before her birthday. It's driven by a MSP430G2553. It has one LED for the moon a
  20. I wanted to add a small fireplace to our christmas crib and thought it needs a 430 ;-) It was a pretty small project, but fun though. The LEDs are driven by a pseudo random generator. I think it looks kind of OK, the color could be more improved with the yellow to red ratio (I'll keep it on the backlog for next xmass ;-) ) I made a pretty simple one sided "Dremel" board to hold the MSP430G2230 and the LEDs.The 1.27mm pitch enables the pretty fast way to get a useable PCB and the four port pins are just enough for this.
  21. Is it possible to port this code from MSP430 to Stellaris? http://osx-launchpad.blogspot.cz/2010/11/breathing-led-effect-with-launchpad.html
  22. Hi, I've done a little searching and will continue to search more but here is what I posted on TI's website E2E. I have three LED projects in mind (at least 3). Project one. Drive multiple led arrays in alternating flashing and possibly solid burn patterns (3-4 hi powered 1 watt led per array ) Solid colors (basic end result amber warning strobes for plowing vehicle) Possibly higher wattage or more led for a flood light head. Would like dimming possible Project two similar concept but high powered rgb led's going to be used for party lights Project three similar to this product http:
  23. Hi all, I am working on a project which uses 2 x (6 LEDs charlieplexed on 3 I/O lines). I chose for this setup instead of 12 LEDs on 4 I/O lines to up the dutycycle from 1/12th to 1/6th, hoping to increase the brightness. My timer ticks at 512Hz, so in 6/512 seconds all LEDs are cycled and the sequence starts over. The software is working fine, the LEDs are lit.... that is, when I turn off all the lights in the room I can berely discriminate lit from unlit. The LEDs shine so dim it's almost not noticable. I chose red LEDs, because they need the least voltage of all (only 1.8V).
  24. Hey, just saw this on H'a'D: Nothing new there, basically only 8 leds, an msp430, a battery and some pcb, but i really like his design More Details
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