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  1. wdariusw

    PWM led without timer

    I'm working with atmega32 , and AVR studio with avr-gcc compiler. Will try all of yours offered codes today after work and will report results here, thanks !
  2. wdariusw

    PWM led without timer

    This is what i want : 1. PA0 turn On LED; 2. PA0 LED light slowly goes out. 3. PA1 turn On LED; 4. PA1 LED light slowly goes out. 5. PA2 turn On LED; 6. PA2 LED light slowly goes out. .......................................................until PA7 is reached..
  3. wdariusw

    PWM led without timer

    Hi. How can i do smooth pwm using delay loops ? I tied like this: int period; int i=0; while { i++; Turn_LED_off(); _delay(i); Turn_LED_on(); _delay(period-i); if (i>=period) {...
  4. wdariusw

    Coil replacement

    I need to find where to buy NEW coil for that card.
  5. wdariusw

    Coil replacement

    Coil is damaged with soldering iron, can't fix it.
  6. wdariusw

    Coil replacement

    You do not understand. I want to solder other coil, but THERE ARE NO EXACT REPLACEMENT.
  7. wdariusw

    Coil replacement

    It is transponder coil. Without it car do not start.
  8. wdariusw

    Coil replacement

    I'm trying to fix my another renault laguna key card with broken coil.
  9. wdariusw

    Coil replacement

    Hello. Like simple coil - 2 pins. Other 2 pins are only for strenght.
  10. wdariusw

    Coil replacement

    Hi all. I have a headache.. o_O I need to find replacement for car transponder coil... Original coil have about 920uH inductance and about 30 Ohm resistance. There are "replacements" from aliexpress...
  11. wdariusw

    High frequency pcb footprints

    This is what i mean. This is board with trace-antenna (please see attached picture) . SMD parts, that are connected straight to the antenna have rounded footprints. This is because of high frequency radio waves reflections ?
  12. wdariusw

    High frequency pcb footprints

    Hi. I wonder, if PCB have trace-antenna , and pcb RF output is 433mhz, it is very important smd components footprint shape , if they are connected to antenna? Thanks !
  13. wdariusw

    Altium PCB image background

    I made PCB before 2 weeks, and there is problems with PCB-antenna.... It designed work at 433Mhz, and i made not exact trace. How precise should be trace copy to get working thing ?
  14. wdariusw

    Altium PCB image background

    Found "peek through", i think it will help me.
  15. wdariusw

    Altium PCB image background

    Converting simple pcb picture into DXF is a challenge. There are lot of colors, contours, maybe different lighting...I saw somewhere video where simple jpg was used as background in Altium instead on black color.
  16. wdariusw

    Altium PCB image background

    I have PCB that i want to copy in my hand. It is very difficult to measure everything by hand using electronic calliper.. It is important to make exact tracing..
  17. wdariusw

    Altium PCB image background

    Hi all. I need to copy exact PCB, and there is complicated trace-antenna. Is there possibility to add image in background of routing PCB ? Like in photoshop "transparent layer" . Thanks !
  18. wdariusw

    Small Inductance meter

    Bought this one http://www.ebay.com/itm/121441841127?_trksid=p2057872.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT :)
  19. wdariusw

    Small Inductance meter

    Found two more... http://www.aliexpress.com/item/LC301-0-1nH-50uH-SMD-nH-Inductance-Frequency-Meter-High-Precision-L-F-Test/738257897.html and...
  20. wdariusw

    Small Inductance meter

    Yes, sorry, capacitance :) Price is good i think, but or ESR meter is good...:rolleyes: Only video from youtube . Interresting or it would come disassembled, or assembled. And what it will show for nH values..
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