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help me find the problem with wiznet w5500 ethernet
Hi all,   I have a w5500 connected with stm32F4. I understand these are avrforums but the problem i am facing is actually with IC itself not the MCU. I am not pro at...
Mon. Sep 29, 2014 - 07:13 AM
need help making a database
hello freaks! I am interfacing an RFID module with ATmega164P, and i use Atmel studio 6.0 sp2. The module simply returns 4-byte UID over uart. I have hardcoded some UIDs and i...
Mon. Oct 21, 2013 - 12:34 PM
uart_puts does not print anything after a 00 in an array
Hi, i am using some standard uart functions: void uart_putc(char c) { /* Wait for empty transmit buffer */ while ( !( UCSR0A & (1<<UDRE0)) ); UDR0 = c; } void...
Wed. Oct 9, 2013 - 12:45 PM
Keypad works only in active low
Hello, i am sure i am doing something wrong here and its most probably my coding. I have a ATmega164P and i am interfacing a 4x4 keypad with it. I know the working of keypad so...
Mon. Oct 7, 2013 - 05:47 AM
Atmega2560 and FatFs(avr foolproof)
Hi, i am going to use FatFs in mega2560 and since space is no more an issue i was wondering if i can use AVRfoolproof version of the library? its inside the Samples
Fri. Sep 27, 2013 - 11:20 AM
[Solved] Unable to program code in ATmega2560 using MKII
Hello, i am having a strange problem and need some help on solving it. I am using AVRISP MKII to program my ATmega2560, however the MKII cannot even get Device signature. I am...
Wed. Sep 25, 2013 - 10:00 AM
Calculating checksum
hello, i have a fingerprint module and i am interfacing it with ATmega32 and i use Atmel studio 6.1. The module requires certain hexa values to be sent in sequence and these...
Sat. Sep 7, 2013 - 07:40 AM
UDR always writes a 0x00 once
Hello, usually i am working with ASCII so it slipped through my eyes. Today i was working on USART of ATmega32 in hexadecimals and i found that before the actual data, the UDR...
Thu. Aug 22, 2013 - 07:24 AM
Weird problem with AT24C1024B
Hello, i am having strange problems interfacing EEPROM with ATmega32. I have tested the code on Proteus simulation and it works. I have checked the connections and everything...
Tue. Aug 6, 2013 - 07:23 AM
Problem interfacing SD card with ATmega32
Hello guys, until now this forum has helped me a lot in learning avr programming but i am stuck at interfacing SD card with ATmega32. here is my code which is very simple. I have...
Thu. Aug 1, 2013 - 06:16 AM