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1  Using Arduino / Installation & Troubleshooting / Re: Serial Port Already In Use on: January 10, 2014, 07:53:27 pm
not sure if it might have any relation to your problem,but try connected reset to ground with a 100uF capacitor, sometimes it's timing related issues with reset,worth a try?
2  Using Arduino / Installation & Troubleshooting / Re: Sketch that prevents me from uploading, Arduino micro. on: January 10, 2014, 07:04:45 pm
Nothing else was connected to the pins, but I solved it, i had to force the reset quickly right after uploading. The verbose message said to do so. So this is resolved =) 
3  Using Arduino / Installation & Troubleshooting / Re: [RESOLVED] Power Jack for power and USB for communication on: January 10, 2014, 06:48:40 pm
The DC jack input goes to a 5volt level converter. so basically the arduino gets 5 volt from the barrel.

The arduino ALSO gets 5 volt from the USB, if these voltages were different,the there would be potential difference and power would run from pc to battery or battery to pc, but since the levels should be it shouldn't be a problem.

(You'd even have more power available because USB ports can supply less than batteries I believe?)
4  Using Arduino / Installation & Troubleshooting / Re: Serial Port Already In Use on: January 10, 2014, 06:40:15 pm
Usuall i unplug my arduino, shut off the software arduino, the start the software up again and plug the arduino back in.
5  Using Arduino / Installation & Troubleshooting / [Solved] Sketch that prevents me from uploading, Arduino micro. on: January 10, 2014, 06:32:23 pm
I wanted to check which onboard leds were connected to the digital I/O pins so i made a simple quick script that put all the I/O's as outputs and would just go back and forth between the values.(I should have added a pushbutton that activated the script)

The script does that, but it also makes pin 0 and 1 blink,which are needed for serial communication?

If I try to upload code ,it just hangs on trying to upload code,with verbose output:
PORTS {COM10, } / {COM10, } => {}


I tried programming with an external FTDI programmer and connected the DTR to reset, 5v to 5v, gnd to gnd, rx to tx and tx to rx. the arduino resets, then,while trying to upload,just goes on running the old code.

Any ideas on how to resolve my issue?
6  Using Arduino / Microcontrollers / Re: Question: What is a bootloader? on: December 13, 2012, 09:57:33 am
If i recall correctly, one of the fuses(or type of fuses.) is an internal oscilator, which eliminates the need to solder/attach a 16 mhz crystal oscilator to your circuit if you were to use an atmega chip out of your arduino board(like,in a breadboard) you could use the fuse for the internal oscilator to further minimize your circuit.

This information is not relevant if you use your atmega chip inside your arduino itself i believe,since this board has an oscilator on it, it's just for when you want to make multiple copies of your arduino,minimize the space it uses and while doing this,eliminate the need for the oscilator which saves on money.
7  Using Arduino / Microcontrollers / Re: Bootload atmega8-pu16 with Arduino Uno on: December 13, 2012, 09:50:46 am
Yeah i followed sir nickity's instructions and it worked out, the STK not in sync is something with usb, sometime you just have to plug the arduino out and back in to solve that. if i ever run into this again i'll come back to this post and try your method,fateth, thank you for your response! (even though it was a bit late, but still,thanks!)
8  Using Arduino / Microcontrollers / Re: Bootload atmega8-pu16 with Arduino Uno on: March 27, 2012, 04:36:13 pm
Last thing i did was change the board to atmega8 and tried bootloading with arduinoa s isp, so i got the arduinoisp on my arduino, now i get this error

avrdude: stk500_getsync(): not in sync: resp=0x00

I'm taking a break. tomorrow another day.
9  Using Arduino / Microcontrollers / Re: Bootload atmega8-pu16 with Arduino Uno on: March 27, 2012, 03:49:07 pm
I decided to just "do it", i get this error:

avrdude: Expected signature for ATMEGA328P is 1E 95 0F
         Double check chip, or use -F to override this check.

Can i change the program to work with atmega8-pu16 by changing settings in rpeferences like some other people said? how do i do this? No clue.
10  Using Arduino / Microcontrollers / Bootload atmega8-pu16 with Arduino Uno on: March 27, 2012, 02:36:23 pm
A friend of mine had bought several atmega8-16PU's , I myself have an arduino uno, with atmega328PU on it, I've been looking at the tutorial "arduinotobreadboard" http://arduino.cc/en/Tutorial/ArduinoToBreadboard

Now here's my question. if i want to boatload this atmega8-pu16, do i leave my original atmega328 in the arduino? the tutorial says i have to remove it when i upload a program to the atmega8 on the breadboard.But i'm not sure if i have to remove the atmega from my arduino when i'm bootloading.

I'm just a bit confused on how exactly to use the arduino as bootloader, do i put the arduinoisp software on the original arduino, and let it be powered by usb,which in turn will boatload the other atmega?
Or do i remove the original atmega328 alltogether and bootload the atmega8 on the breadboard using the arduino board itself without it's microprocessor?

Thanks in advance,
Romninja
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