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UART and sleep mode not working well
Hello everyone,   I tried a lot, did some search ont he internet,... but I can't solve my problem and I'm curious what's the problem.   Okay, I've started with Fleury's...
Sunday, 22 March 2015 - 08:40
atmega328p INT0 seems to work asynchronously with rising edge and power down ???
Hi,   The datasheet says: Pin change interrupts on PCINT23..0 are detected asynchronously. This implies that these interrupts can be used for waking the part also from sleep...
Sunday, 23 November 2014 - 21:28
Best way to count pulses 225 per second without missing one pulse.
Hello,   I want to count pulses, about 225 pulses per second, and process them at x second interval. My first try was with a pin change interrupt, but comparing pin change,...
Monday, 17 November 2014 - 21:15
Logic operations on bits in byte
Hello,   Just a stupid beginners question, but I don't know how to search it on Google or other places. I can't find the right result.   It's quite simple, I have a...
Sunday, 9 November 2014 - 10:01
ADC wrong near 0 volt (attiny)
Hello everyone, I'm playing around with PWM, prescaler (sink) and ADC. Select prescaler based on inputs, copy ADC to PWM. Near 0 volt, my output isn't completely off (a slight...
Tuesday, 22 May 2012 - 18:08
Temperature measurement range 150-250 °C
Hello, I want to do a temperature measurement in the range about 150 to 250 °C. Most temperature IC's are not useable above 150°C. So who can provide some useful information...
Friday, 18 May 2012 - 18:29
Smallest STK500 Bootloader
Hello, Found some spare time to play with my atmega16. I was searching for the smallest STK500 bootloader, or good alternatives for "RS232-programming". I found this one: https://...
Tuesday, 24 August 2010 - 21:01
[SD] Ronald Riegel's Raw Write problem
Hello everyone, I'm trying to use raw write from Ronald Riegel on a sd card to save programming space I want to get rid of the FAT filesystem en start to write in an existing...
Sunday, 22 November 2009 - 20:58
Working MMC snippet, don't understand CMD1 response
This is from CMD0: CMD0 is correctly send over SPI (incl CRC7), next the program sends dummy bytes 0xff until response is different from 0xff, the first response different from...
Friday, 26 June 2009 - 07:07
[ATMEGA16] USB bootloader
Hello everyone, I don't want to use my old desktop computer anymore The only purpose is to program the AVR and receive the UART data, leaving this noisy pc for couple of hours...
Saturday, 20 June 2009 - 08:14
[atmega16] captain.at's MMC card problems
Hello everyone, I'm trying to write data to MMC card with my atmega16. I prefer text files, but that isn't possible i think because of the flash size. I came across this site:...
Tuesday, 16 June 2009 - 19:31
[PWM] Change prescaler noob question
I'm very new with AVR, I'm trying to change PWM prescaler with USART command 0 = change prescaler (0 > 8 > 64 > 256 > 1024 > 0 ...) 1-254 > PWM So far so good, i get in the right...
Tuesday, 5 May 2009 - 19:00

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