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1  Using Arduino / Displays / Color Oled Display animation files on: April 08, 2014, 07:37:07 am
Freetronics sells a nice 128x128 color oled display with a fire animation:
The animation is on the microSD card in a directory as a series of .bmp files. I believe the Arduino just quickly dumps each .bmp file onto the screen. Does anyone know of software that creates the animation files? I'd like to create my own simple animation.
2  Using Arduino / Networking, Protocols, and Devices / NRF24L01 vs NRF24L01+ current draw on: March 12, 2014, 11:39:22 am
Does anyone know what the difference in current draw is of the NRF24L01 vs the NRF24L01+ RF modules? I'm pretty sure I have the non '+' version because i'm getting 14mA on a transmission and 0.8mA when sleeping. Hopefully I can drop in a '+" and see it drop a bit more.
3  Using Arduino / Microcontrollers / Re: Struggling with bootloader onto TQFP atmegas on: February 28, 2014, 03:37:55 pm
You are correct. No cap to ground on the reset line. I have no idea where I got that from. I'll check the original rev 1 design. Sorry about causing any confusion.
4  Using Arduino / Microcontrollers / Re: Struggling with bootloader onto TQFP atmegas on: February 28, 2014, 10:22:40 am
You should see it on every Arduino using the 328P. Check out a schematic for the UNO or nano. Pretty much every Arduino except for the Leonardo.  I design custom arduino derivatives all the time and had the exact same problem.
5  Using Arduino / Microcontrollers / Re: Struggling with bootloader onto TQFP atmegas on: February 28, 2014, 08:23:36 am
For the 328P you need a 0.1uF capacitor going from the reset line to ground along with your 10K from reset to vcc. The 32u4 only requires the 10K from reset to vcc. No capacitor.
6  Using Arduino / Displays / Re: Color 128x128 BMP to array converter? on: February 17, 2014, 03:03:40 pm
BuyDisplay is where I grabbed my glass. Then I made my own pcb with all the parts they suggest. On the next rev I'll add an sd card. Schematic attached.

Thanks,
Mike
7  Using Arduino / Displays / Color 128x128 BMP to array converter? on: February 17, 2014, 08:17:31 am

I have one of these http://www.buydisplay.com/default/color-oled-display-module.html color 128x128 oled displays. The adafruit site the demo uses a micro SD card to store the bmp image. If there is enough room on the micro to store a color image instead of using sd card then a BMP to array converter would be great. LCDassistant http://en.radzio.dxp.pl/bitmap_converter/ works great for the smaller mono displays that I use.
8  Products / Arduino Yún / Re: OLED and Bridge lib conflict? on: February 06, 2014, 02:29:00 pm
Strange. I'm using an i2c oled on the Yun with no issues

My setup looks like...
Code:
void setup()
{
  //initialize the digital pin as an output.
  pinMode(led, OUTPUT); 
 
  // Initialize I2C and OLED Display
  Wire.begin();
  init_OLED();
  reset_display();             // Clear logo
 
  Bridge.begin();              // initialize Bridge
  Serial.begin(9600);    // initialize serial 
 
  clear_display();

9  Using Arduino / Displays / Re: Strange OLED display problem on: January 10, 2014, 03:54:44 pm
Excellent. That's exactly what I needed to know.

Thanks,
Mike
10  Using Arduino / Displays / Strange OLED display problem on: January 10, 2014, 12:51:25 pm
I have a new color SSD1351 OLED display from Buy-Display working with the Adafruit library that works fine except for a strange background white color thats visible whenever something is on the screen. It can be text or graphics but its only there in back of an object. Oled displays have no backlight so the whole thing should be black except for the text or graphics. In the picture the area above and below the circle is back. If I drew a really tiny circle then the band of background color would be thinner. When I draw nothing then the whole thing is dead back.

I'm not sure what to do? Has anyone ever seen something like this?

11  Using Arduino / Displays / Re: Navigation Keypad on: January 09, 2014, 12:48:27 pm
I make these ones.
https://www.tindie.com/products/miker/navigation-switch-breakout-board/
They are pretty tiny though.

Mike
12  Using Arduino / Displays / Re: Crius OLED display on: January 04, 2014, 08:24:17 am
The library has been used for a while so it should be fine. Did you close the IDE, install the library and then open up the IDE again? Is it installed in the correct location?
13  Using Arduino / Displays / Re: Crius OLED display on: January 04, 2014, 07:11:53 am
Try 4.7k or 10K pull-up resistors from the SDA & SCL lines to +5v, verify your display address is 0x3C and the new code with different sized text should work.
14  Using Arduino / Displays / Re: Crius OLED display on: January 04, 2014, 06:40:18 am
Strange. For my design I set the i2c display address to 0x3C and have the SDA and SCL pins connected to the micro pins with 4.7K pull-ups to 5v so it should be the same as yours. Are you using two resistor pull-ups on yours?
15  Using Arduino / Displays / Re: Crius OLED display on: January 03, 2014, 12:22:12 pm
This attached code may be of help. Just install the Adafruit SSD1306 library and you should be good to go.




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