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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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[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 |
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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 |
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[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 |
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[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 |
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[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 |