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An 8-bit, low power AVR microcontroller from Atmel.

2 votes
1 answer
983 views

Interrupt every second on ATTiny84 (and sleep the rest)

I'm building a digital watch just like in this post, except I'm using an ATTiny84. However, the ATTiny84 doesn't have an asynchronous Timer2 like the ATMega328 and does not have a power save mode, so …
Anubhav's user avatar
  • 137
1 vote
2 answers
102 views

Weird assembly output

I was taking a look at the disassembly for a loop of mine that seemed to be taking too long and I found these assembly instructions that I don't understand. Why does it load 0 into r25 and then do two …
Anubhav's user avatar
  • 137
0 votes
1 answer
158 views

ATTiny84 fuses reading as 0

I was programming my ATTiny84 when it randomly stopped being able to be programmed. I have an external 32768 Hz crystal connected to it, and I have been using my Arduino UNO with the ArduinoISP sketch …
Anubhav's user avatar
  • 137