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ATmega 128 development board Issue
Hi, I have designed a mega128 development board. I tried to toggle LEDs but its not working. The schematic files (.jpg) are attached for reference. Some board related info Vcc...
Sunday, 21 March 2010 - 09:25
atmega164P : Sleep mode power consumption
Hello friends, I have programmed the atmega164P to operate in 1. power down sleep mode 2. power save sleep mode The INT2 (falling edge)interrupt is used to wake up the...
Wednesday, 22 April 2009 - 13:18
Atmega32 - Internal EEPROM read and write problem
Hello friends, I am trying to store variables in internal eeprom of atmega32. I have written program to write and read the internal memory. I have attached the source code for...
Monday, 6 April 2009 - 07:02
PCF 8563 RTC Interfacing problem
Hi friends, I have interfaced pcf8563 chip with atmega32. When the board is powered up, I am getting correct date, time information. I am using code vision avr cross compiler. 1....
Monday, 16 March 2009 - 07:49
Running UART on Internal RC osc. Frequency
Hello friends, I am planning to use ATMEGA324P in my application. I need to use UART(9600 baud rate) for communication with PC. 1. Is it possible to run UART(baud rate 9600) on...
Monday, 2 March 2009 - 06:03
Atmega324P: Sleep modes
Hello friends, I am planning to use atmega324P device in my application. Requirement: I need an edge trigger interrupt to wake up this device from the sleep mode & perform...
Monday, 2 March 2009 - 05:18
PCF8563 RTC: Reading Date problem
Hello Friends, I have interfaced pcf8563 chip with my atmega8( 8Mhz freq). I would like to transmit date and time on hyperterminal using UART. I am using code vision avr cross...
Saturday, 21 February 2009 - 06:46
Using Timer instead of RTC chip
Hello friends, I have started work on pulse detector. The idea is very simple. I need to detect pulse (whenever it occurs) from hall effect sensor and count it. Then transmit the...
Wednesday, 11 June 2008 - 08:14
PT100 conditioning circuit
Hello friends, During my search for pt100 conditioning circuit. I came across the circuit. Pls find it in the attachment. I have build this circuit using lm358 on a general...
Monday, 19 May 2008 - 12:09
pt100 and meshnetic zigbit board interfacing
Hello friends, I have started work on a new project " wireless temperature logger". I am using pt100( has 3 wires) as temperature sensor. my requirements are as follows -------...
Wednesday, 14 May 2008 - 11:46
pt100 interfacing with meshnetics zibbit board
Hello friends, I have started work on a new project " wireless temperature logger". I am using pt100( has 3 wires) as temperature sensor. my requirements are as follows -------...
Wednesday, 14 May 2008 - 11:43
ATmega128 SPI - Interrupt based problem
Hi, Hardware details :Atmega128, 8MHz, 3.3v operation) I am using spi to interface memory. I am using spi interrupt with following settings. SPCR=0xD0; SPSR=0x00; I am using portb...
Thursday, 31 January 2008 - 11:46

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