[AVR club] help: photometer and ADC

Started by "hpo...@yahoo.com [avrclub]" in AVRclub8 months ago 4 replies

Hi All, I have used a photo-resistor and ADC (analogue to digital converter) of atmega16a to measure intensity of light. the photo-resistor is...

Hi All, I have used a photo-resistor and ADC (analogue to digital converter) of atmega16a to measure intensity of light. the photo-resistor is connected to the PINA.0, a capacitor is used too. It works well but at the same light intensity, the measurements (that are read from a LCD) are not the same, even a few second after the first measurement. I guess the photo-resistor has a kind of tol...


[AVR club] Atmega16A is programmed but does not work

Started by "hpo...@yahoo.com [avrclub]" in AVRclub8 months ago 4 replies

Just sharing an experience I had a problem designing a simple blinking LED. I checked fuse bit, VCC and GND. I programmed ATmega16A using Code...

Just sharing an experience I had a problem designing a simple blinking LED. I checked fuse bit, VCC and GND. I programmed ATmega16A using Code Vision and in Proteus the code worked well. However, on the bread board, it did not work. I found that for programming the chip, first we should Erase the chip in code vision (Program > Erase chip) and then we have to follow Program > Blank check ,


[AVR club] kindly help in burning hex file to atmega attiny861v by arduino Duemilanove board

Started by "'sh...@gmail.com [avrclub]" in AVRclub2 years ago 3 replies

hi , i have a hex file of a program which i would like to burn in atmel attiny861v microcontroller, i have a arduino uno/Duemilanove board...

hi , i have a hex file of a program which i would like to burn in atmel attiny861v microcontroller, i have a arduino uno/Duemilanove board with me, can anyone please help me out that how can i burn this hex file in my microcontroller through arduino board,,, kindly help.. many thanks shubham, email - v...@gmail.com


[AVR club] want to hire a programmer for a small arduino program,

Started by shubham tiwari VU3SXN in AVRclub3 years ago 7 replies

Hi, want to hire a programmer for a small micro controller program, i prefer arduino but any other micro controller will also work, kindly...

Hi, want to hire a programmer for a small micro controller program, i prefer arduino but any other micro controller will also work, kindly contact me if any one is interested email v...@gmail.com thanks


[AVR club] Problem in Pointer

Started by rahmatoolah abedini in AVRclub3 years ago 8 replies

Hi everybody. I face with a problem with pointer that I cannot solve it. I write my project in codevision ver 2.05.3. Could you help me? Best...

Hi everybody. I face with a problem with pointer that I cannot solve it. I write my project in codevision ver 2.05.3. Could you help me? Best regards Ali. My code: #include char ?var1; char *poin1; main() {? DDRD=0xff; ?? var1=0Xee; ?? poin1=@var1;??? ---> Error: Invalid expression ?? PORTD=*poin1; while (1); }


[AVR club] HTRC110-rfid reader

Started by shabvaslma in AVRclub3 years ago 3 replies

hi I'm working on the "HTRC11001T" and communicate with it for transferring commands,but i can't read tag card. I don't find any document about...

hi I'm working on the "HTRC11001T" and communicate with it for transferring commands,but i can't read tag card. I don't find any document about this and any C source code. Can any one please help me... ------------------------------------


[AVR club] What is 8Kb flash memory of Atmega8

Started by SHAFEEQUL ISLAM in AVRclub3 years ago 3 replies

Can any one please help me regarding Atmega8 Flash size.I dont know that th= e size of flash 8Kb is the amount we can burn the =A0*.hex file or...

Can any one please help me regarding Atmega8 Flash size.I dont know that th= e size of flash 8Kb is the amount we can burn the =A0*.hex file or it is me= mory size of variables that we have used in our code?For e.g if i burned a = hex file of size 1 Kb,then it will occupy space of 1 Kb in flash?Secondly m= y code of 1 Kb have varibles of total size 100 bytes,then flash will be out= with 100b...


Unable to write to the atmega16A

Started by Shehzad Rasheed in AVRclub3 years ago 3 replies

Can anybody tells my atmega16A is not working ater writing it first time it was working properly but now i am unable to write it again bt i m able...

Can anybody tells my atmega16A is not working ater writing it first time it was working properly but now i am unable to write it again bt i m able to read it please help me...


Problem in using timers of AT32UC3C0512C

Started by simp...@hotmail.com in AVRclub3 years ago

I have been trying for days now to configure the timers of AT32UC3C0512C to generate a simple square wave. I am sure that the clock is reaching...

I have been trying for days now to configure the timers of AT32UC3C0512C to generate a simple square wave. I am sure that the clock is reaching the timer module, but there is no output. I am posting my code here. Can someone please help me on this? Its been a long while since I am doing this and continuously being unsuccessful. I am trying to generate a left aligned pulse with a considerable ...


Problems Timers of AT32UC3C0512C

Started by "daniyal.parvez" in AVRclub3 years ago

I have been trying for days now to configure the timers of AT32UC3C0512C to generate a simple square wave. I am sure that the clock is reaching...

I have been trying for days now to configure the timers of AT32UC3C0512C to generate a simple square wave. I am sure that the clock is reaching the timer module, but there is no output. I am posting my code here. Can someone please help me on this? Its been a long while since I am doing this and continuously being unsuccessful. I am trying to generate a left aligned pulse with a considerable duty ...


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