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Need some help with ADC on mega644
Hmmm its a uint8_t bytereceived Initially I ran tests sending from my C# program a byte and transmitting the byte back at 250400 baud and it had no errors. Perhaps I am missing...
Thursday, 10 October 2019 - 16:28
Need some help with ADC on mega644
I did use Code Vision , that code I posted is directly from codevisions auto generated code with no changes. When I get home I will go over the whole thing again.   I forgot...
Thursday, 10 October 2019 - 16:05
Need some help with ADC on mega644
  Yes just tested single conversion and it is working on that, just testing now with overflow   Not working with overflow   Output on scope using this code while...
Thursday, 10 October 2019 - 06:24
Cleaning Signals from 300 ma sensor
Wow do I feel silly nut learned a lot in the process I'm reading an EPM-4001 sensor using two led's ELM=4002 Using a 14.7XX external crystal oscillator on the board I had led...
Sunday, 6 October 2019 - 02:57
acc dec stepper, why it is so difficult ?
trixo wrote: but what is the best way to create a delay, on that place ?   Timer that triggers an interrupt or just returns from a call after time expired. If you use a...
Friday, 4 October 2019 - 20:13
acc dec stepper, why it is so difficult ?
Dont you need to set up the interrupt registers once and then use SEI; You are writing the TCCR0 and TIMSK inside the while loop.
Friday, 4 October 2019 - 18:45
acc dec stepper, why it is so difficult ?
Stepper Motors have micro stepping 200 steps per revolution in full steps  is typical To ramp up the speed from zero you combine micro stepping with your ramp up logic...
Friday, 4 October 2019 - 17:56
spo2 Pulse Oximeter (Mega48) Serial to PC connection
I need to interface with my c# program anyway and I am going to change to full JTAG programming with the chips that support JTAG   Pretty cool project though, I noticed one...
Wednesday, 2 October 2019 - 19:31
Atmel Studio 7.0.1931 fails to communicate with Atmel ICE
I had this problem with that message a few days ago after installing code vision licence version (where the demo was already installed) Did it a few times but then it's...
Wednesday, 2 October 2019 - 19:21
spo2 Pulse Oximeter (Mega48) Serial to PC connection
Most people use USB-Serial adapters with the CH340G IC instead of the PL2303.  It can be hard to get a PC driver to work with the PL2303, and the CH340G is much cheaper. Good...
Wednesday, 2 October 2019 - 02:57
Atmel Studio 7 after installing code vision debug shows assembler
Thank's now if I can get rid of the kink in my neck from reading them sideways.....  
Tuesday, 1 October 2019 - 20:55
Atmel Studio 7 after installing code vision debug shows assembler
 Ordering these chips, Are there any others with JTAG I should try?    ATMEGA164PV-10PQ      $1.90  ATMEGA644PV-10PQ      $2.76...
Tuesday, 1 October 2019 - 18:30

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