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Discussion Title Created date
How to update Codevisionavr
I have a License for Codevisionavr 3.37 Advanced I see a new version 3.43 that includes support for the AVR-DA chips   Can I update for no cost How do I update, download...
Sunday, 7 February 2021 - 18:35
Passing PORT addresses
I am playing with some Macros and inline stuff. I have two inline functions, The reading READPIN(port,pin) works but the one that writes to the port is not compiling the...
Tuesday, 2 February 2021 - 23:21
Macro trouble for AVR128da code
I am reading an input pin. Tried to make a macro like this #define IRSensorBlocked PORTD.IN & PIN5_bmThe code works without a macro like this in main ... if (...
Monday, 1 February 2021 - 07:44
AVR128DA28 How to set clock frequency
This datasheet is quite different from the AVR's I am use to seeing.  Have not been at the bench for a while as I had my L5 S1 fused, finally feel like doing something to...
Sunday, 31 January 2021 - 00:23
SparkFun Tiny Programmer
Just bought one, works with AtmelStudio7 using information from here http://www.crash-bang.com/using-...   Using the AVRdudeGUI when I flash it keeps opening a new instance...
Thursday, 17 December 2020 - 07:34
Diode and Mosfet size for 24 volt DC Siren
  I almost done with my alarm system. I am using a 24volt Siren. I will be pulsing the siren for 80ms about 16 times in a minute before turning it on for a longer period. I...
Wednesday, 16 December 2020 - 08:42
Suggestions for components reading speed of quad copter roters.
I bought my granddaughter one of those 14 dollar quad copters. It’s pretty fun to fly . I had a brain fart about connecting the small drone to a larger drone and read the speed of...
Friday, 4 December 2020 - 00:58
Tiny15 is not a Tiny45 pinout
Well almost. I was laying out a board using fusion360 and their atmel library did not have the tiny45 so I used the tiny 15, Just happens I was using pin3 as my input (...
Sunday, 22 November 2020 - 09:29
Protecting components when AVR malfunctions
I'm using a 6ms pulse to power two IR LED's using  1 ohm resistors at 5VDC. The circuit is drawing about 140 ma average based on my power supply current reading.  ...
Friday, 13 November 2020 - 06:52
Photo Transistor Operating Modes
  Hi, I am working on a project that uses a wheel with holes to sense the movement and length of an object.   I am using an OP593 NPN 890 NM Photo Transistor and an...
Friday, 6 November 2020 - 04:06
avr-gcc Code Syntax/Libraries vs CodeVision Code Syntax/Libraries
  EDIT: I just found the answer to my interrupt question in the code posted by mani, #include <avr/interrupt.h> My VAassistX still shows a red squiggly under the sei()...
Friday, 23 October 2020 - 15:42
How do I fix the unrecognized symbol when using CodeVision
    I installed AVR studio7 at my office and the free Codevision version so I could do a little learning at work when i was not busy so that perhaps i won't have to stay...
Thursday, 22 October 2020 - 21:15

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