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Atmega128A Get the response string from sim900
I'm going to interface a SIM900 module to atmega 128a mcu via a UART0 port. I was successfully able to communicate with sim900 module using putty serial interface and got the...
Wednesday, 12 July 2017 - 08:07
FM demodulation
I want to demodulate the FM intermediate frequency (IF)signal using zero crossing detection. After several trials I was able to detect all the zero crossings. Now I need to...
Monday, 24 June 2013 - 15:47
interface ad7478 ADC to atmega128
I need to interface ad7478 ADC to atmega128. I am going to filter a 500kHz signal.So I need atleast 1MSPS adc. I go through the data sheet, but didn't got an idea how to interface...
Saturday, 8 June 2013 - 19:01
Mp3 Player
Is it possible to decode mp3 on atmega128 with 16M crystal? Or can it be done in Xmega128a3U with 32M crystal,in real time(without a decoding IC)?
Saturday, 2 February 2013 - 05:39
voice recorder
After building a simple wav player i would like to build a voice recorder.Get ADC samples and save it in wav format...first of all I attempt to create a simple wave file with 2...
Thursday, 24 January 2013 - 15:51
Analog to digital convertion
What is the mean of this"ADC Speed (ksps):15 "? I am using atmega 128.I want to record 16kHz and 44.1kHz audio with this. Can I use atmega 128 for this purpose?
Sunday, 20 January 2013 - 15:37
generate 44.1kHz pwm
How to generate 44.1kHz pwm?
Thursday, 17 January 2013 - 12:05
pwm audio generation
How to generate pwm audio accurately? I see that there are two parameters in audio files 1. sample rate 2. bit rate What are those things? How do they relate with pwm rate?
Thursday, 17 January 2013 - 10:44
FatFS is not working in ISR
Hi.. I finally run Fatfs code in actual hardware successfully. But I got another problem.I am going to build a simple wav player.When I try to read wav data and write to ocr1a...
Wednesday, 16 January 2013 - 07:02
configuring petit fatfs diskio.c
Hi all.... I am doing a project on wave player.I am using atmega128 as the MCU. I don't know how to edit petit fatfs diskio.c to configure to run in the SPI mode. Can anybody help...
Monday, 14 January 2013 - 10:57
My atmega 128 is not responding
This is the error message I am getting..... :cry: Somebody plz help me........ C:\WinAVR-20100110\bin>avrdude -p m128 -c usbasp -v avrdude: Version 5.10, compiled on Jan 19 2010...
Wednesday, 21 November 2012 - 03:40