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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
sbis PIND, 2
Hi Guys, I have been looking around for a simple translation from  this:   sbis   PIND, 2   or   sbic   PIND, 2       ...
Friday, 9 February 2018 - 21:00
assembly, easy way to check the value of two bytes
Hi Guys, I haven't worked with assembly in a long time.   I am trying to determine the value of two bytes in assembly without long tedious compare routines. Each byte is...
Saturday, 28 January 2017 - 22:37
compare two registers in assembly
Hi guys, I am using assembly. I want to compare two registers, one being twice the value it is currently (multiplied by two) without changing any of the values of either register...
Thursday, 12 April 2012 - 14:47
infrared transmitter using avr
Hi Guys, I have an broken infrared remote control from a Digital Video Recorder I purchased from China. Long story short, the remote is not repairable. I do however know the...
Friday, 5 August 2011 - 17:00
DHT-11 Temperature & Humidity sensor
Anyone have experience with this unit? I successfully got it working with an attiny2313, however the humidity readings are way off what my home weather station shows. The DHT-11...
Tuesday, 15 February 2011 - 21:10

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