Category "avr"

ATMEGA328P SPI freezes after unspecified period

I am working on a project where I read out an MCP3008 ADC and an MCP4901 DAC. Both use SPI to communicate with the arduino. For a few seconds everything is fine

External interrupt for AVR is not working

I would like to learn how interrupt works with AVR. I have built up a simple button and LED circuit. It works with the interrupt Arduino library, but does not w

Fatal error in avr-gcc, specifies incorrect MCU

I am learning to program my ATtiny85 without a bootloader using a MiniPro, and I want to generate a hex file. First I try to compile my file using the avr-gcc c

Assembly 2 digit 7 segment display

I have got a little problem of understanding how is suppose to work. Basically all what I need is to light up a led on each side of 7 segment display. They over

receiving char * from UART of AVR

I want to receive a string(pointer to characters) by UART using ATMEGA16. I burned this code on the kit then I used hyperterminal (realterm) and made a test to

AVR ATMEGA328 is Resetting when (TIMER1_CAP_VECT)Interrupt Occurs and sometime with the UART interrupt

I configure the ICP1 to get the pulses but when it happens, the avr is resetting, sometimes when the uart iterrput occurs it also reset. I don't know where I'm