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ow to calculate my prescaler.
Given the example.     //Configure timer    TCCR1B = (1<<CS12);    //1:256 prescaler      for(;;){   ...
Monday, 7 October 2019 - 02:17
Need to forceful sign my types all of a sudden?
Using avrstudio 6 and an atmega 32u4 chip   using a wire for debug. I see the 10ms and then the 13ms. //initialize the BB and controller connected. DDRD |= 0x80;PORTD...
Saturday, 21 September 2019 - 15:45
using 3-15v buckboost but requires 5volt to enable?
  Not really AVR related but using this with an AVR project.   I bought a DC-DC 3V-15V to 5V Fixed Output Automatic Buck Boost Step Up Step Down Power modal.   Is...
Saturday, 7 September 2019 - 17:16
powering avr with a range of 3.3 to 7 volts
I have an application where I need to run an atmega32u4 with a range from 3.3 to 7 volts (Allowing for at-least 200ma). Since I need the clock to be 16 I'm a bit concerned...
Sunday, 4 August 2019 - 23:05
SPI revieve flag check.
I'm unclear on something here. In the event the SPI does not receive data from its master, how does one know?   for example if I have this     unsigned char...
Sunday, 28 July 2019 - 21:04
help replacing line with NOP
I have some time sensitive code that I used some debug to make work.  Now I need to remove the debug but I can not find the right NOP substitutes   code DDRB=0xff; int...
Wednesday, 24 July 2019 - 21:56
Thought I knew how SPI worked till I worked on a slave...
I have been working with SPI for a while but honestly never had to write code for a slave. The prediction bytes are confusing me, how does this work? For example, I'm copping a...
Friday, 19 July 2019 - 01:28
spi 5v to v3 logic.
  I'm trying to find a way to use a SPI slave (5v) with a SPI master(3v)   I'm able to read all data from the master with my atmega32u4 but sending is random.  I...
Thursday, 18 July 2019 - 16:57
spi ss line / pin issue
  I have an interface where it communicate in the same fashion as an SPI. Only issue is the normal SS lines is an ack. Is blips just before data is transmitted to the master...
Tuesday, 16 July 2019 - 18:09
atmega32u4 pre assigned pins
Need some help in an area I'm struggling with.     I'm going to be using the atmega32u4 for my next project and I need to make sure I map out all the pins I will need...
Monday, 8 July 2019 - 17:14
atmegs32u4 bootloader confusion.
I have a atmega32u2 that came with a HID based driver that shows up at atmega32u2 and I use dfu-programmer to program it. I just bought a atmega32u4 and it came with a AVR CDC...
Friday, 5 July 2019 - 20:49
Looking for a simple voltage devider to make this work.
      I'm wondering if this can be done without a mosfet?     I have the following set up and working, the 3v TTUL works because the z-doids  but...
Thursday, 4 July 2019 - 12:34

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