You can use this for float to char: (didn't test for int) voidaff_float(float number) //afficher float avec 1 decimal { ...
1821
Muhammad Sadiq Asgher
ms_asgher
Aug 18, 2009 5:29 am
Hi Sunil       Just drive the IR transmitter using general purpose npn transistor. That will reduce your triggering current to the IR from 555 timer. ...
1822
akash deep
akashdeep007us
Aug 18, 2009 5:29 am
the answer is INTERFERENCE!!!... use a single 555...amplify the current using a transistor...connect the IRLED with the transistors.... hope u can design the...
1823
maqsood ali
mokal70
Aug 19, 2009 10:52 am
dear, check the baud rate of the communication ... From: Ben <shio68@...> Subject: [booksbybibin,www.booksbybibin.tk] Serial communication AT89c2051 To:...
1824
Pranjal Kalkhanda
pranjalinspace
Aug 20, 2009 8:18 am
if i suppose that u r using 16x2 lcd JHD162A. add 48 to every digit you want to display and send it to data pins of lcd. this is because lcd accepts ASCII. ......
1825
samic45mit
Aug 24, 2009 1:44 pm
Hello everybody, I am new in field of rtos,I have experience of 1 year in embedded system and I want to start on RTOS so please help me.I am presently working...
1826
mihaigalos
Aug 26, 2009 9:00 am
RTOSes have a lot of paradigms to consider. Start by analysing my kernel, perhaps it will shed some light into multitasking before you tackle the intricacies...
1827
at91r40008
Aug 26, 2009 9:00 am
FreeRTOS is free :) and has been ported to several processors. It is not the easiest to start with but can be compiled with the free gcc-avr compiler. All...
1828
s.holder123@...
s.holder123...
Aug 28, 2009 2:40 pm
Mihai has a good suggestion there, Real time systems can be a real nightmare for beginners especially debugging (Re-entrancy for example), look at something...
hi, i having a problem to display adc reading on the lcd display .i m using atmega32 and connected an analog voltage to ch0 of it.i m using avcc as a refrence...
1831
Muhammad Sadiq Asgher
ms_asgher
Sep 3, 2009 6:23 pm
Dear All,  I am having problems to interface a triac with avr. Actually I want to drive the 100 watts bulb.I have also used triac drive MOC3041 but no...
1832
nitin chaudhary
nitin2162000
Sep 5, 2009 3:53 am
for reading values <1, multioly them by 10 or 100 or 1000 to make it large.... To display them in to lcd, convert these numbers into character.. Say you want...
1833
mihaigalos
Sep 5, 2009 3:53 am
display a 0 and then a point and then the rest of the data :) Please add a better description of your problem. Mihai G....
1834
mihaigalos
Sep 5, 2009 3:53 am
... Use an optocpoupler as a intermediate stage between the triac and the AVR. The command current shouldn't exceed 20mA, if it does, use a transistor or a...
1835
sameer khanna
samic45mit
Sep 5, 2009 3:54 am
thank you, I start working on it ________________________________ From: at91r40008 <nu6i@...> To: booksbybibin@yahoogroups.com Sent: Tuesday, 25 August,...
1836
shamsher_saleem
Sep 8, 2009 10:22 am
I will suggest you to upload the detailed program you are using and also the header file of the lcd which you are using. So that it can be observed for the...
1837
Muhammad Sadiq Asgher
ms_asgher
Sep 8, 2009 10:22 am
Dear Mihai,  Hey Mihai using transistor to drive the gate o fthe triac is also not working. I am attaching the circuit so tell me if there is any problem...
1838
Muhammad Sadiq Asgher
ms_asgher
Sep 8, 2009 10:23 am
Thanks Mihai i will try it.  Regards Muhammad Sadiq Asgher  ... From: mihaigalos <mihaigalos@...> Subject: [booksbybibin,www.booksbybibin.tk] Re:...
1839
sunilkumarsistla
sunilkumarsi...
Sep 8, 2009 10:23 am
yah exactly that thing i had done but its not necessary to use any transistor there for high voltage to IR led it gives a range of about 40+ cms but the thing...
1840
Amar Nandan
nandan.amar
Sep 8, 2009 10:23 am
Dear one, u can also use sm buffer chip like L293 or ULN2009 along with relay.connect ur high voltage load with relay and output of ur controller to buffer...
1841
Wolfgang Günther
wolltronic
Sep 8, 2009 10:23 am
... The MOC3041 _is_ such an optocoupler (LED Trigger Current: 15 mA). See http://www.fairchildsemi.com/ds/MO/MOC3041-M.pdf Do you want to switch the bulb...
1842
Ever Cifuentes
ever_cifuentes
Sep 8, 2009 10:23 am
I send you a diagram Ever ________________________________ De: Muhammad Sadiq Asgher <ms_asgher@...> Para: booksbybibin@yahoogroups.com Enviado: jueves,...
1843
ae6zm
Sep 8, 2009 6:33 pm
From the diagram you uploaded I see you are having difficulty designing the circuit. There are a couple things you might try. First, do an internet search for...
1844
ae6zm
Sep 8, 2009 6:33 pm
Ever, looks like a good circuit. Will the 3031 handle the 220VAC? The data sheet says max 250V peak, and 220VAC has a peak of ^300. Perhaps the 3041 would be a...
1845
alexandru sorin
alexandru_sorin
Sep 8, 2009 6:33 pm
If you use 10 bits them use this formula: 5*N/65535. The value from ADc is in 16 bits, but you use only 10 MSB. The uC have register in 8 bits, so for 10 bits...
1846
Ever Cifuentes
ever_cifuentes
Sep 11, 2009 9:06 am
Hi Exactly, I use the moc3041 (with zero crossing), another is the MOC3022 (without zero crossing). See the data sheets. Ever ...
1847
mazhar malik
mazhar_80us
Sep 11, 2009 9:06 am
hi everyone i am using programmers Notepad for building my project. but during compilation i got errors like "multiple definition of ___ file", the error looks...
1848
razak abdul
rzk_na
Sep 11, 2009 9:07 am
you can use TIC206 or BT136 , find the datasheet in attachment  Rgds  Razak ... From: ae6zm <WESBFLYER@...> Subject: Re:...
1849
Saeed Ahmed
danial_1000
Sep 13, 2009 4:06 am
HI SADIQ, Â HERE I M ATTACHING THE PROTEOUS MODEL AND JPEG IMAGE FOR UR CONCERN TO INTERFACE A TRIAC WITH MICROCONTROLLER.THE CIRCUIT IS TESTED AND WORKING...
