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Old and Dusty chips
kds12345 wrote:Well Thought I had it for a bit But: AT90s2313 (For Example) will show in "Disconnected Mode" But not in "Connected Mode" for the AVRISP mkii So the AVRISP mkii...
Friday, 31 May 2013 - 01:11
Migrating away from Arduino
Korstiaan wrote: I avoid going in so deep and the problem is gone. Most common cause is logical flaws in the programmer :) ie too many if's are too error prone. It is quite...
Thursday, 30 May 2013 - 23:55
Migrating away from Arduino
Korstiaan wrote:Hi, Yes I know what Arduino does. Code worked fine with an 328p (> 2weeks) and it runs fine for x-time (1/2 hour, 2 hours, ...) on the 1284p and then suddenly I...
Thursday, 30 May 2013 - 23:48
Generating audio frequencies using Timers of Microcontroller
SRL wrote:Ok I agree about its stability, but will I be able to generate three conditions at same time? You are not answering the questions. You can generate 3 conditions at...
Thursday, 30 May 2013 - 20:33
Generating audio frequencies using Timers of Microcontroller
SRL wrote:Actually there are around 9 operations to be initiated and detected. We are planning to keep one dedicated frequency for each operation and there are also scenarios...
Wednesday, 29 May 2013 - 22:15
Generating audio frequencies using Timers of Microcontroller
Note the OP has stated non-standard three tones : Actually we want to generate three frequencies using combinations of following DTMF frequencies So an off the shelf part is...
Tuesday, 28 May 2013 - 22:41
Generating audio frequencies using Timers of Microcontroller
Simonetta wrote: The first question that a programmer should ask in regards to implementing any software routine is: "Can I do this cheaper and easier with a IC that already...
Tuesday, 28 May 2013 - 01:12
transistor logic
Two output signals can cover at most 4 possible states. With a multiplexer, you can map those 4 states, to any logic level you want, and that includes a latch. (using some special...
Monday, 27 May 2013 - 10:38
Is there any possibilities ? [Speed Sensing with ultrasound]
bianchi77 wrote:For ultrasonic sensor, something like this one ? Check the data. The Parallax Ping))) one says 18.5ms + some waits, per reading, so call that ~ 25ms, and 50km/h...
Monday, 27 May 2013 - 07:34
Is there any possibilities ? [Speed Sensing with ultrasound]
bianchi77 wrote: So I will put PIR 1 and PIR 2 in a distance, If an object is passing, I'll calculate the time needed from PIR 1 to PIR 2, from there I can determine the speed...
Sunday, 26 May 2013 - 23:39
Compatibility between chip families (LS, HC, HCT, etc.)
skeezix wrote: I scored a pile of about 50 ICs in LS family dirt cheap, so be nice ot use them (I have all the part#'s I need there!), but if I should just go to HCT I've got most...
Friday, 24 May 2013 - 22:52
Detecting a 104us start bit with a 52us interrupt?
bobgardner wrote:I'm trying to get a sw uart working at 9600bps (104us per bit)... using just a x2 sample on a uart is asking for trouble. Add in the jitter and aperture effects,...
Thursday, 23 May 2013 - 06:05

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