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Internal Eeprom reads 0xFF at Startup
Hello Everyone, Here is a problem I have been trying to figure out for years. Every thread I have seen over several years regarding this exact same problem leads nowhere, and...
Thursday, 18 March 2021 - 20:31
avr programmer to detect burned pin?
Hi Guys, I have an expensive Labtool 48 XP universal programmer. (very nice programmer) Suddenly one day a year after I purchased it, the company decided to just stop supporting...
Saturday, 30 January 2021 - 23:55
Assembler only Forum
To Mods:   I am seeing a lot of assembler programming questions/posts/problems. It would be wonderful if you could start a forum specifically for assembler programming...
Sunday, 1 November 2020 - 14:31
simple PWM avr assembler atmega328pb not working
Hi Everyone, I am trying to send an Infrared signal from PB1 on an arduino UNO board. I have changed the crystal on the board to 3.6864 MHz and adjusted the fuses. Just to verify...
Monday, 13 July 2020 - 00:03
atmega328pb problems
Hi Guys, I am hoping someone can help me. I am programming a very small file into an atmega328pb. The program is only to test each pin to ensure the board connections are good...
Friday, 1 May 2020 - 20:10
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

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