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Atmega32 with LCD using the asynchronous timer feature
Hello again. I have been facing some problems lately with a code i'm writing for a real time clock + lcd on an atmega32 with 8mhz crystal and an external crystal with the 32.etc...
Wednesday, 27 April 2011 - 18:43
Atmega32 Shortcircuiting or something else?
Hello, i started a new project recently and i have had a weird occurence. I power up an atmega32 at a breadboard without an external oscilator crystal, connecting +5.1 volt at VCC...
Saturday, 2 April 2011 - 15:36
HD44780 Character LCD external disable.
I have been pondering for a while, how can one disable an HD44780 Character LCD externally so it doesn't show any data, but not disable it completely so you have to enable it...
Tuesday, 1 September 2009 - 11:07
Internal pull-up
I had read something about using the internal pull-up mechanism of the avr instead of using the resistor+capacitor when connecting a button. You connect it one leg on the GND the...
Friday, 14 August 2009 - 00:52
String manipulations
I finally found a good way to get data from a uart RX, but i'm having trouble showing them on the lcd. The code that follows is one that uses the interrupt RXCIE to capture data...
Sunday, 12 July 2009 - 09:19
USART-> RXC and UCSRA
Supposing i have to send 8-bit data and receive 8-bit data with an ATMEGA32 with 8Mhz Osc, setting the USART like this: void USART_Init( unsigned int baud ) { /* Set baud rate...
Sunday, 5 July 2009 - 12:01
Help with serial communication
Problem solved.
Saturday, 4 July 2009 - 13:21
Connectivity question:
I am trying to connect an ELM320 chip (datasheet here: http://www.elmelectronics.com/DSheets/ELM320DS.pdf) with an atmel ATMEGA32. But i have some questions whether to use an...
Friday, 3 July 2009 - 17:37
Problem with sending string commands.
I am trying to send some commands to an ELM family chip for OBD2 but i seem to be getting 0 results. the function i use is: void uart0_send_byte_array(unsigned char *data,...
Friday, 3 July 2009 - 12:17
Errors and conversions.
Yet again i pester the people of this forum with my questions but this time they are a bit easy to answer. Apologies for being a nuisance. Question 1: unsigned char Reset[4...
Wednesday, 1 July 2009 - 10:42
sprintf and LCD
I have a question concerning sprintf and how you can display what's inside it on the LCD using the lcd.h from codevisionAVR. For example using a different library: sprintf(...
Saturday, 13 June 2009 - 10:10
LCD driving with a codevision avr generated program
Hello, i have been having a problem driving an lcd 2x16 using PORTC of an atmega32, checked the cables if they are ok with my multimeter and they were, my connections with VSS VDD...
Wednesday, 27 May 2009 - 12:20

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