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Posted by ka7ehk on Mon. Dec 22, 2014 - 12:22 AM
Please tell me how to detect human presence!   There is (now) a start/stop switch. User pushes switch to start recording. Pushes again to stop (bicolor...
Posted by baranikumarhtsl on Thu. Nov 22, 2007 - 08:04 AM
1. If reti() is explicitly mentioned in the code at the end of the isr block, even though the ISSR macro includes the reti() as discussed, will it cause any...
Posted by vj_25 on Sun. Dec 21, 2014 - 07:14 PM
loop: sbis pina,1 ;skip bit if pina 1 is set rjmp loop ;jump to loop if pina1=0 in r25,pina ;read input and...
Posted by rajesh279 on Thu. Dec 18, 2014 - 01:34 PM
Yes,   that sounds fine. OTOH,  you could just use a single 10ms 'system' timer.   e.g. multiplex every tick,   read RTC on...
Posted by awneil on Tue. Nov 4, 2014 - 09:43 AM
Hi awneil and ramlco.   I think that people from atmel and etc answer only the easy questions.   The "ASF" is like religion. You can not say anything...
Posted by MichaSv on Sun. Dec 21, 2014 - 06:47 PM
The official Arduino Uno schematic is here and it shows a crystal, not a ceramic resonator. I would favour a HW PWM design, as you want to remove SW...

Buzzing Topics (Last 6 Months)

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Posted by Michael@Atmel on Tue. Aug 26, 2014 - 12:04 AM
clawson wrote: Maybe its just me, but clicking on any links that I've found using google to "old" forum content just end up going to the home page of the new...
Posted by Hugh Aguilar on Fri. Oct 24, 2014 - 02:10 AM
Moderators - stop this train wreck now - please!
Posted by mado88 on Mon. Nov 10, 2014 - 03:38 PM
Clawson has true,   I was designed some peripheral boards for lifts - and it is not so simply. There are a lot of standards, norms and regulations. Lift...
Posted by ka7ehk on Fri. Jul 11, 2014 - 08:29 PM
Often a decaying average is enough. But if you do not want to have any historical data after a given number of sampls, the simple moving average is better...
Posted by dominicmluciano on Tue. Nov 11, 2014 - 05:42 PM
valusoft wrote:   microcarl wrote:    Two amplifiers, each with a total gain of approximately 27 would be nearly perfect: G = 5V / 185mV...
Posted by asking on Fri. Aug 15, 2014 - 08:35 PM
About a dozen messages ago, Lee askd you if the a/d reading was Nice and Smooth 0x000 to 0x7ff with a pot or something besides the current sensor. If it is,...