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Solved: simple bit shifting problem
Hello Everyone, I have 8 bytes of data I need to condense into one byte. Each byte is either an 0xFF or a 0x00. If the byte is 0, then the bit in temp1 would be 0, if the byte is...
Tuesday, 21 January 2020 - 21:27
attiny2313A power down mode
Hi Guys, I am trying to put an attiny2313A into power down mode. The datasheet gives me two options (they are both the same) Must be a mistake in the datasheet OR am I missing...
Thursday, 12 December 2019 - 13:02
attiny261 PWM
Hi Everyone,  I am trying to create a 38KHz freq on PB3. I have used similar code before on other avr's using timer0 and it is working. I want to use PB3 on an attiny261. The...
Monday, 9 December 2019 - 14:26
Solved: atmega328p Pro mini strange behaviour
I screwed up, and in error, I connected my usbasp programmer to a circuit containing an atmega328p Pro mini board that was running on two AA batteries. The usbasp supplies...
Monday, 11 November 2019 - 22:50
Pin Change Interrupts, Again
Hi Guys, Not  much information about Pin Change Interrupts out there! I have read lots of threads here about this. Certainly there must be a good tutorial somewhere. Just...
Friday, 1 November 2019 - 21:40
3 external interrupts needed for older avr
Hello everyone,   I have an older board with a 90s1200 on it. It operates as an infrared repeater in my entire house. Runs on 5 volts. It is wired through my unused...
Wednesday, 31 July 2019 - 12:32
USBasp and avrdude
Just a quick question for anyone that has this experience. When programming with usbasp and avrdude6.3, every single time I have to unplug the usbasp and re-insert it or avrdude...
Monday, 17 June 2019 - 19:18
arduino hex file EOF string and record types
Hello everyone, I was programming an arduino hex file and I noticed a really weird EOF line.   :007E000181I see the record type is 01. But I do not understand why the...
Tuesday, 4 June 2019 - 13:00
sending hex file to atmega using Hardware flow control
Hi Guys, I am sending a hex file through a real serial port (not usb adapter) to my atmega8515. The data gets stored in a very slow I2C eeprom.   I have connected the...
Wednesday, 1 May 2019 - 22:31
simulating memory outside the 64K range
Hi Guys, Just trying to test a program for an atmega128 in avrstudio4.   Avrstudio4 does not display the upper 64K program memory.   (at least I can't find out how to do...
Tuesday, 15 January 2019 - 00:53
atmega2560 usart test in assembly
Hi Guys,   Just trying out a new atmega2560 board I recently got from ebay. (I think its an arduino R3) It is wired to use USART0.   I didn't post in the arduino...
Friday, 11 January 2019 - 15:06
adiw in assembly
Hi Guys,   Just wondering an easier way to do this: adiw XL,63 ;most we can do here is 63 adiw XL,1 ;so do it twice Assembly only please. (NO C.)   I am trying...
Saturday, 22 December 2018 - 15:21

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