sábado, 13 de abril de 2013

Arduino by Davis: “Conversion d'une chaine de caractères Ascii en Integer” plus 19 more

Arduino by Davis: “Conversion d'une chaine de caractères Ascii en Integer” plus 19 more

Link to Arduino by Davis

Conversion d'une chaine de caractères Ascii en Integer

Posted: 13 Apr 2013 02:38 AM PDT

Bonjour tout le monde, je rencontre un leger problème, j'ai une balance éléctronique qui m'envoie la masse (1g à 6000g à 1g près) via une sortie RS232 sous forme de tableau ASCII.
J'ai déjà réussi à recuperer ces données et à les afficher via le code s...

Re: Nuovo Progetto programmatore di luce - tante domande, sperto tante risposte!!

Posted: 13 Apr 2013 02:37 AM PDT

Non si attacca evidentemente alla millefori perché.. la scheda è una cinesata  smiley-twist
Ad ogni modo io pulisco sempre con l'alcool la millefori prima di saldare, se le piazzole sono sporche lo stagno non fa presa.
Lo stagno buono dovrebbe avere un 2-3% di ...

Re: installed new chip atmega168-20pu

Posted: 13 Apr 2013 02:36 AM PDT

Does your new chip have a bootloader on it so that new sketches can be  loaded on to ...

ATmega 1284P upload errors via USBtinyISP

Posted: 13 Apr 2013 02:35 AM PDT

I am using an ATmega1284P, "Mighty1284P 8MHz board" and programmer "USBtinyISP. (AVR pocket programmer)

Question1)
 I get a lot of errors trying to upload and have to do it several times before the program is uploaded.
I have used the AVRISP mkii via A...

avrdude :stk500_getsync() error.duemilanove

Posted: 13 Apr 2013 02:34 AM PDT

Hello Friends,
I am new to arduino and using it for first time.i bought a duemilanove board.i gave supply to the board both from the usb and 5v power supply plug.the ic got hot and stopped working.then i took an atmega 328 chip from uno and inserted on...

Re: Arduino als Türöffner

Posted: 13 Apr 2013 02:13 AM PDT

Das Board ist im allgemeinen als solches mit Optokoppler identifizierbar, wenn es eine inverse Schal...

Re: Remotely Program Arduino Nano Using XBEE

Posted: 13 Apr 2013 02:11 AM PDT

Re: arduino ---> attiny(slave) can't have adresse > 63

Posted: 13 Apr 2013 02:09 AM PDT

Hello,

Following your advice, i have remade my topic for better understanding.

if it's not clear enought, i'll try to be more specific, but basicaly i got rid of everything exept the minimum to test my adress probleme, that why the sketches are quite e...

Re: Controlling Lutron Maestro dimmer only works 30% of the time

Posted: 13 Apr 2013 02:06 AM PDT

Would it be possible to use the folowing while the IR bits are being send ?.
To disable interrupts:     cli();                // disable global interrupts
and to enable them:       sei();                //  enable interrupts
Note that...

Re: Atmega328p Power Saving Techniques

Posted: 13 Apr 2013 02:02 AM PDT

Well, in my head, I always thought the receiver is the one that's always on listening for the transmitted signals. So it's consuming a lot of power when hooked it up to the th...

Re: Ho to clear the Mega 2560 Serial1 data

Posted: 13 Apr 2013 01:37 AM PDT

Quote
How do you clear the data from the UART in the Mega?
I can read bytes from the UART but I cannot figure out how to clear those bytes after I have read them.

The serial library handles that for you automatically. When you read the charact...

Thinkpad supervisor password read /clear

Posted: 13 Apr 2013 01:37 AM PDT

This script reads the supervisor password from the i2c eeprom (ATMEL 24RF08) in thinkpad laptops
in case of an encrypted password (passphrase set) the password can be cleared. (write to eeprom, last resort only!!)
There is tons of information about thi...

Re: Steuerung von Kamera und Ventilen zur Aufnahme von TaTs

Posted: 13 Apr 2013 01:36 AM PDT

Die Standardreferenz ist wohl http://www.cameraaxe.com/

Re: Problem with Power Mosfets and a potentially damaged chip.

Posted: 13 Apr 2013 01:36 AM PDT

The parts that I have available are small signal transistors.

And the 4066 IC.

Re: Controllo di un motore elettrico

Posted: 13 Apr 2013 01:35 AM PDT

nessuno ha consigli su una possibile scelta del ponte H?

Re: Why are real-time clocks always 32.768khz?

Posted: 13 Apr 2013 01:29 AM PDT

Thank you. I'm using a counter IC with a built in oscillator but the datasheet only showed RC methods. I did follow a circuit like the one you describe but it was unstable, so I tried using a gate and the clock was stable but the counter still acted we...

Re: Seeking step up -> 3.3V

Posted: 13 Apr 2013 01:29 AM PDT

@Magician : I didn't saw your second post magician, it looks pretty interesting, they're very cheap an common ! I'm diving into the datasheet.
It requires a lot of external components, I hope it will fit in my PCB.
Thank you !!

Re: Nuovo Progetto programmatore di luce - tante domande, sperto tante risposte!!

Posted: 13 Apr 2013 01:27 AM PDT

che sono le saldature a freddo!?!?!?!

in effetti qualche altro filo lo potevo passare dietro... piano piano si impara  smiley-grin

Re: The Ethernet Shield on Arduino Due hang up after parsing a string using sscanf

Posted: 13 Apr 2013 01:27 AM PDT

Thank you very much for your suggestions.

Quote
Does the same problem persist is you define the subnet mask correctly in the eth.ini file (255.255.255.0)?

PaulS, why does the (255.255.255.0) is more correct than (255.255.0.0)?

SurferTim, ok. ...

Re: Why are real-time clocks always 32.768khz?

Posted: 13 Apr 2013 01:24 AM PDT

For 8MHz crystals, you normally connect the crystal between the output and input of an un-buffered inverter, with a high-value resistor (1M or greater) in parallel with it, and capacitors between both ends of the crystal and ground.

For 32768Hz crystal...
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