Post Created date
Please help me with stepper motor
If you are seriously putting AC (Alternating Current?!) into the center taps of your stepper motor windings, it's a miracle you haven't had a cheerful 'boom!' yet.   COM on...
Friday, 15 May 2020 - 12:29
ejecting Atmel ICE
Dunno if it's related, but my USB-ICE has a nasty habit of losing its mind under certain circumstances - namely, losing USB power (PC shutting down) before losing power on the...
Thursday, 14 May 2020 - 06:29
Internal Oscillator calibration
clawson wrote: Not that I've ever had a massage in any form but I can't help thinking that the last thing you might be doing during such a thing was running a stopwatch to ensure...
Thursday, 14 May 2020 - 01:45
Internal Oscillator calibration
bspembed wrote:As the request from the customers, Requiring compact design.   For that, go to a 4-layer board (move all those ground planes out of the way) and surface-mount...
Wednesday, 13 May 2020 - 06:48
Internal Oscillator calibration
More usefully:   bspembed wrote: But How do i connect to uC, (Bluetooth Tx is connected to Rx of uC) Only left with single GPIO i.e RST/UPDI Pin.   Put a bootloader in...
Wednesday, 13 May 2020 - 06:29
Internal Oscillator calibration
david.prentice wrote: i2C based 4 Digit 7 segment multiplexed display: 2 GPIO Pins.   multiplex needs 20% timing Buzzer: 1 GPIO    timing is not important...
Wednesday, 13 May 2020 - 06:24
Optimal width for long signal traces?
sparrow2 wrote:  is an antenna has to be a stub   What else would you call a trace with nothing on the other end?  S.
Sunday, 10 May 2020 - 08:29
Optimal width for long signal traces?
A 12" trace with nothing on the other end is an antenna.  You should expect it to radiate (poorly) and resonate (likewise).  S.
Sunday, 10 May 2020 - 03:07
bizzaro interrupt behavior
What baud rate are you using for the UART?  See if blinking an LED will do instead - I'm thinking what takes 45ms is your UART notice.  Just an idea - oh, and I'm sure...
Monday, 4 May 2020 - 00:03
Identify Autotune PID algorithm
DocJC wrote:  it looks more like some form of bang-bang control & may not even be PID. Agreed. Especially as the dTemp/dTime as the temperature approaches the...
Thursday, 30 April 2020 - 22:37
Identify Autotune PID algorithm
Kartman wrote: What's to say it's not using fuzzy logic?    The Artificial Intelligence that's in the secret spy satellite with the aliens told me over the 5G network...
Thursday, 30 April 2020 - 01:06
Identify Autotune PID algorithm
I'm with ki0bk / Jim on this.  I think you have over-thought this.    I think it's merely a simple adjustable thermostat -  If too cold, turn on heater; If hot...
Thursday, 30 April 2020 - 00:26