sábado, 5 de enero de 2013

Arduino by Davis: “Re: Hardware circuit to Trigger Board Reset through software” plus 19 more

Arduino by Davis: “Re: Hardware circuit to Trigger Board Reset through software” plus 19 more

Link to Arduino by Davis

Re: Hardware circuit to Trigger Board Reset through software

Posted: 05 Jan 2013 01:54 AM PST

Regarding Osgeld's sketch ( which is sufficient for that task ) :
There's already a built in pullup resistor between RESET and +5V.
As this is pretty high ( 10k ? ), the other resistor is not critical. Anything  (or rather  470 ... 47k ) would do, wit...

Re: Timer Interrupts on Due

Posted: 05 Jan 2013 01:53 AM PST

@Jim; fantastic. Thanks. The code is a copy of some other code posted in this forum and - frankly - we didn't quite understand it all, but it's much clearer now (relatively old hands at Arduino, but new to the Due)...

So to make sure we understand it ...

Re: Arduino per gestire una pompa di calore autocostruita

Posted: 05 Jan 2013 01:50 AM PST

Dopo un'analisi delle vostre risposte e dopo alcune riflessioni mie , sono quasi convinto di prendere per il momento un'altra direzione... Premesso che la macchina ( con la logica della pompa originaria e con alcuni accrocchi  smiley-grin ) funziona già , penso...

Re: Atmega1284P @ 16MHz with 3.3V?

Posted: 05 Jan 2013 01:49 AM PST

Going outside published parameters is only what idiots do.

wimp smiley-wink

Re: Sensore di temperatura collegato con 10m di filo

Posted: 05 Jan 2013 01:46 AM PST

Ho usato LM36 per monitorare la temperatura di un termosifone, massimo 50 - 60 gradi e dopo un po' di tempo il sensore non ha funzionato piu'. A qusto punto ho il dubbio che esistano in giro chip con specifiche fuori dei datasheet.

Re: Timer Interrupts on Due

Posted: 05 Jan 2013 01:13 AM PST

@WomensFashionArt

Just tried your sketch here unmodified and I get a nice 10 KHz (100 us cycle) output on pin 13, as measured on our Rigol.

HTH
Jim

Control 8 x 7 Segment display.

Posted: 05 Jan 2013 01:06 AM PST

Hi Guys,

i want to control my  8x 7 Segment display
The display has 5 input pins VCC, GND, DIO, SCK, RCK.
What is the meaning of Pin SCK, RCK?
My Problem is I don't know how to control the 7 Segment Display.

For example:
I want to count the First Segme...

Re: Hardware circuit to Trigger Board Reset through software

Posted: 05 Jan 2013 01:03 AM PST

transistors are backwards to start with

Re: Wifi Enable an Exisiting project.

Posted: 05 Jan 2013 01:01 AM PST

I just finished replying to a very similar thread in this same forum.  I'll let you find that and read it if you like... but I don't recommend using wireless for any sort of security system.  Keep the cable!  RFID isn't great for security, either.  Tha...

Re: Project 08 - Digital Hourglass tilt switch issue

Posted: 05 Jan 2013 01:00 AM PST

solder them to longer wires or header pins

Re: DC Fan Help

Posted: 05 Jan 2013 12:57 AM PST

sorry about everyones else suggestions didnt really help :/

np, wont bother again

next time google + motors, good luck

Re: Newbie question on designing your own 'board' instead of using wires

Posted: 05 Jan 2013 12:56 AM PST


Bear in mind that DipTrace modifies the security settings of the Documents folder.  In my opinion, the behaviour borders on that of a virus.

Re: triangulating signals to navigate a robot

Posted: 05 Jan 2013 12:04 AM PST

My objective is to build a robot that will mow the lawn on its own, and not miss a spot. The first thing I need to figure out is how to make the robot aware of its location. ...

Re: noob: Shield w/ spfd5408 controller 240x320 - I don't know which library

Posted: 05 Jan 2013 12:03 AM PST

Hi,
I uploaded the library and works fine with the changes (size_t  void etc).
I can't work the SD card . The library uses the HARDWARE SPI but in the board the SD card pins are in other  pins of arduino.
I try to use a SOFTWARE SPI but i failed.
Have ...

Re: Bitlash Commander: Web UI toolkit for Arduino

Posted: 04 Jan 2013 11:55 PM PST


Nice work!

Seeing the thread above, I recalled a problem with node and serial port communication I ran into a couple of weeks ago.

It seems like node-serialport has some kind of issue on Mac OSX.
Reported here https://github.com/voodootikigod/node-ser...

Re: Not getting enough power out of 2N3904 transistor to motors

Posted: 04 Jan 2013 11:49 PM PST

Im using an Uno board mounted to an RC car and using its 9v rechargeable batteries as power.

Picture or such of the car please. Is this a 9.6V NiMH bat...

Re: Need just a bit of clarification !

Posted: 04 Jan 2013 11:40 PM PST

Thanks a ton ! im not sure how i ended up geting so confused and i spent more than a day downloading cygwin and other stuff to support it. i've altered a few sketches to change options or features for my aero board but i really didnt think i could just...

Re: voice controlled robot. sos

Posted: 04 Jan 2013 11:40 PM PST

First off - stop cross-posting - it won't help you get your answer any faster, and it doesn't make you look good to others on the forum, either. That said...

Your statement of "we are familiar with neural networks but have no clue on how to implement i...

Re: BlinkIT

Posted: 04 Jan 2013 11:36 PM PST

Nice!
please post the code and some more detail if you can. I am interested to have a look. Are you using any kind if encoding? Looking at the video, it seems like a long pulse high marks the beginning of transfer. Have you considered the issue of ambi...

Hardware circuit to Trigger Board Reset through software

Posted: 04 Jan 2013 11:15 PM PST

Hardware circuit to Trigger Board Reset through software - In essence, push the reset button through a software trigger

Ok, I don't know if this is the right section to post this in but I thought I would share this since I couldn't find an answer when ...
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