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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
I can't seem to calculate or the Prescale is not working
I don't think the prescale is working , Tiny 45 at 8mh   So the loop should only be 30 in the delay using an 8 bit timer 8,000,000 / 1024 = 7812.5 7812.5 / 256 = 30.51...
Thursday, 22 October 2020 - 08:56
Very old AVR Dragon found while cleaning up my old box of microcontroller stuff
I finally got my cataracts fixed and I can actually see 20-15 now so i thought I might get back to some microcontroller programming.  I did buy a new ICE and use the JTAG...
Wednesday, 21 October 2020 - 03:51
Reading small sensors
I have finished part one of my pulse oximeter reading the pulse step two is implementing the infrared readings for SPO2 calculations I am using OpenTk and a serial data link to my...
Wednesday, 16 October 2019 - 05:39
Need some help with ADC on mega644
Mega644 14.75456 Oscillator Serial Baud 230,400 Communication flawless I wrote a c# program using OpenTK to receive and chart the data   I am now testing the input but not...
Thursday, 10 October 2019 - 05:48

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