Post Created date
Variable Frequensy Osc.
mossige wrote:I may use the comparator int to: Togle a osc.output, use an output to discharge the cap, count up and down conters and other fun. Soft feed back works very vell....
Sunday, 7 April 2013 - 11:25
DIP usb to ftdi chip
wlinux wrote:I have designed a usb-ftdi chip in a dip28 package based off of the atmega48 core and a heavily modified avr-cdc implementation. Interesting - does this use bit-bash...
Sunday, 7 April 2013 - 00:55
Waveform generation with the help of external logic?
slow_rider wrote:I tried running the timer2 at about 1KHz because higher than that I could see timing problems in other parts of the code. 1KHz sounds quite low to be hitting any...
Friday, 5 April 2013 - 22:28
Waveform generation with the help of external logic?
slow_rider wrote:I don't have 256 steps in X while updating... Yes, that is standard NCO, but whilst a NCO output frequency may vary, (as the adder value changes), the steps per...
Friday, 5 April 2013 - 09:11
Waveform generation with the help of external logic?
Some numbers : If you want 256 steps in Y, and taking a triangle, that would need >= 512 in X to have equal quanta on each axis, and make full use of a 256 lookup. That alone...
Friday, 5 April 2013 - 05:38
Waveform generation with the help of external logic?
slow_rider wrote:I am using timer2's PWM mode and the two output compare registers to modulate the PWM freq. I have a 24-bit phase accumulator that I update on overflow and shift...
Friday, 5 April 2013 - 01:21
Waveform generation with the help of external logic?
slow_rider wrote: 5. Generate LFO on two pins (different freq. and different wave shapes). Until task #5 everything was OK since the timing is not very critical. exactly what...
Friday, 5 April 2013 - 00:57
How to know that an AVR is orginal and no feigned?
Rohalamin wrote: But some of my friends say that seen counterfeit AVR in spot market(Of course in Iran)! So you have not seen one yourself, or checked how much it 'worked' ?...
Thursday, 4 April 2013 - 11:24
Voltage regulator for variable input close to output
TheYeti wrote: I would like to run an AtTiny85 (with Arduino) off a 5v - 7.4v input range and wondering what is the best way to go about it? ... Would it be easier to restrict the...
Wednesday, 3 April 2013 - 07:10
6P/6C connector with oddball pin arrangement
thavinator wrote: If only I could put the connector on the bottom side of the board, this would be perfect, but that's not an option in this application, nor is a right angle...
Tuesday, 2 April 2013 - 07:13
need help [STK500 + nonAVR processor]
animia wrote:i'll have to check it with my mentor, my task says atmel microcontroler and stk500. If you have reference code for a 89S8253, and want to use a Atmel uC, but like...
Tuesday, 2 April 2013 - 02:40
Servo over serial port
unnamed wrote:Pi rx/tx pins are connected directly to xmega rx/tx pins.. When you have two blocks like this, and are unsure who causes the delay, an obvious test step is to...
Thursday, 26 July 2012 - 22:39

Pages