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Designed the my first PCB boards. What next?
Hi I have designed my first PCB boards in Eagle and even though i think they are correct, as i am working alone and doing boards for the first time, i would like to ask for some...
Thursday, 23 August 2012 - 23:55
Using the same port for ADC input and PCINT interrupts
Hi Before i start designing my layout i would like to know if there is any problem in using 2 pins of (atmega328 PORTC) for ADC measuring and the rest of the pins (of the same...
Wednesday, 25 July 2012 - 11:59
HOA0901 Wheel Encoder Circuit
Hi I am trying to use the wheel encoder mentioned in the circuit but somehow i can't manage to understand why there is a full voltage drop in the IR led and why the resistors are...
Tuesday, 24 July 2012 - 13:57
Finding out which of the enabled pins triggered PCI interrup
Hi I am aware that a pin change interrupt (PCI) will be triggered if some of the pins toggled are enabled in the PCMSKn. So imagining that one pin of a group of enabled pins...
Sunday, 22 July 2012 - 16:46
Open Collector Warning Flag from an LM18200 to atmega328
Hi . I am trying to get a PCINT interrupt on the atmega328 triggered by a transition to low by an open collector transistor (LM18200) but i am not sure if i should put a pull up...
Sunday, 22 July 2012 - 16:14
TIMER1_CAPT_vect only gets triggered sometimes
Hi. I am experimenting with capacitance sensors in the atmega328P. For that i have set the analog comparator to trigger the TIMER1_CAPT interrupt on the trailing edge of the...
Wednesday, 7 March 2012 - 21:23
Debuging an atmega328 which is connected to an SPI device
Hi I have an atmega328 chip which connects to the ethernet "shield" through the SPI bus. The SPI bus is required to be On for the debugging to be meaningful. How can i do it? I...
Sunday, 2 October 2011 - 00:30
Controling and comunicating internal data from atmega328
Hi This is my first post so bear with me please :D Right now i a bunch of data structures some of which are bit field structures. I need to communicate that data to a control...
Saturday, 1 October 2011 - 10:03