| Search found 37 matches on edaboard.com: manchester decoder manchester decoder pic manchester decoder manchester encoder and decoder manchester |
nrzi and manchester
hi all,i need an nrzi and mancester encoder decoder documentation. please if anybody have docs on implementation of these module share it. ill be very thanks full.regards,master_picengineer...
ASIC Design Methodologies & Tools (Digital) :: 04 Sep 2009 20:14 :: nangsuep :: Replies: 1 :: Views: 237
manchester encoder decoder ic?
is there any site that have manchester encoder/decoder ic (online buy)?...
RF, Microwave, Antennas and Optics :: 04 Sep 2009 20:07 :: nangsuep :: Replies: 1 :: Views: 324
whats going wrong with the code?
i bought a rf kit, transmitter and receiver, and the website of a similar product is below. now, im trying to write code for it, just to make sure it is working. http://www.sparkfun.com/commerce/product_info.php?products_id=8950im using a pic 16f688 ...
Microcontrollers :: 25 Aug 2009 17:23 :: betwixt :: Replies: 19 :: Views: 767
problem with wireless serial transmisson
as i have bought two ask modules (tx and rx) operated at 434 mhz..http://thinklabs.in/shop/product_info.php?cpath=44&products_id=72http://thinklabs.in/shop/product_info.php?cpath=44&products_id=73and i want to make remote control robot for that i am ...
Hobby Circuits and Small Projects Problems :: 17 Jul 2009 20:56 :: betwixt :: Replies: 52 :: Views: 2375
manchester c code
i have installed mikroc and they say that there is an integrated manchester code in the libraries (or in the help) but its not that fast.does anybody have an optimised code example for a rf receiver (for tx its more simple, right?) paired with a pic ...
Microcontrollers :: 30 Jun 2009 10:15 :: Vandal S :: Replies: 2 :: Views: 333
pic rc5 code
ler? ive googled for days and all the code that i found used delays to sample the signal..which causes problem when rc5 signal timings are slightly different than standard. none of them actually uses manchester decoding.i am looking for a code like t...
Microcontrollers :: 19 Feb 2009 21:11 :: btbass :: Replies: 60 :: Views: 20260
read manchester code from u2270
hi, i tried to get help from many people on machester decoding. no one could help. so i started to read the manchester code. the idea is, if the width of the pulse is 90us, pic start to sample after 45us. so it would always stay in the middle of the ...
Microcontrollers :: 24 Jan 2009 20:07 :: viknes1985 :: Replies: 5 :: Views: 2295
need verilog code for manchester encoder/decoder
i need verilog code for manchester encoder/decoder.please help me....
PLD, SPLD, GAL, CPLD, FPGA Design :: 18 Jul 2008 20:15 :: 7rots51 :: Replies: 0 :: Views: 516
manchester encoder/decoder ic,hdlc controller ic
i want the part number of ics for hdlc controller(single channel for 100kbps speed) and manchester encoder/decoder ic,does anyone have it?---...
Professional Hardware and Electronics Design :: 07 Jul 2008 12:58 :: 7rots51 :: Replies: 0 :: Views: 255
manchester encoder /decoder
hi i am urgently in need of vhdl code for manchester encoder decoder can anybody help me in htis regards...
PLD, SPLD, GAL, CPLD, FPGA Design :: 21 May 2008 13:20 :: tooh83 :: Replies: 1 :: Views: 978
syncronisation problem
i modified the xilinx manchester decoder code (xapp339) in order to use command and data sync pulses in manchester enc/dec-oding. quick tutorial for manchester enc/dec.command sync pulse is 1.5 bit time high and 1.5 bit low pulsedata sync pulse is 1....
PLD, SPLD, GAL, CPLD, FPGA Design :: 27 Dec 2007 14:02 :: gloin :: Replies: 0 :: Views: 137
communication paper
hey... i need project papers about communication systems(like encoder and decoder) implementating in verilog r vhdl.. can any one pl help me.....
PLD, SPLD, GAL, CPLD, FPGA Design :: 07 Jun 2007 17:59 :: venkat3271 :: Replies: 5 :: Views: 390
fpga rfid reader!!@@
ce, my project is rfid reader i have almost done the hardware portion , but now i switched to fpga,what i have to done is that i have demodulated signal i just need to decode this demodulated signal, manchester coding is there.im using 134.2khz read ...
PLD, SPLD, GAL, CPLD, FPGA Design :: 17 May 2007 22:29 :: mmoctar :: Replies: 3 :: Views: 570
at89c52, 0-to-1 transition in t2ex
hi,at89c52 exen2 is set, a 0-to-1 transition in t2ex. is it posible? if not how can we do?i got incoming signal which is 10 and 01 for 10=zero and 01=one. how can i verify this to two signal in my code?please guide me in c program.thank you....
Microcontrollers :: 18 Jan 2007 2:31 :: Help :: Replies: 13 :: Views: 330
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rf receiver output connected to uc
hi,i bought one rf receiver.my question is is it possible we direct connect the receiver output to uc(at89c52) rather than we use the decoder to decode the receiver signal?as i know the manchester coding and decoding for use with rf modules...encodin...
Electronic Elementary Questions :: 14 Jan 2007 5:35 :: Help :: Replies: 4 :: Views: 198
vhdl explained with circuit
hello all.. can anyone suggest any book which explains vhdl code writing from given circuits, how does the code creat latch and flip flop and vice versa with lot of good examples with corresponding circuits(fir filter circuit and code ...
PLD, SPLD, GAL, CPLD, FPGA Design :: 12 Nov 2006 6:31 :: lawrence_idol :: Replies: 3 :: Views: 648
rf module question
can rf tx/rx module use computer serial communication encoding scheme to encode and decode?i want to connect the tx module to directly to my computer serial port and have it send out ascii data to the rx module....
Hobby Circuits and Small Projects Problems :: 27 Feb 2006 7:59 :: david90 :: Replies: 7 :: Views: 399
can anybody help me to make
can anybody help me to make the program of remote as well as push button operated led on /off controller using “c” language and at89c51 and any rc-5 coded remote controller. cause i’m a beginner in “uc” projects now i’m learn in 2nd year. 1) i don’t ...
Microcontrollers :: 12 Nov 2005 12:10 :: M!k :: Replies: 12 :: Views: 876
encoder/decoder
hi everyone !can someone tell how encoder/decoder work ?when they are in rf transmission...in the tx & rx.tq !...
Hobby Circuits and Small Projects Problems :: 15 Sep 2005 18:39 :: syed intisar haider :: Replies: 11 :: Views: 1053
rf modules with at89c51 and serial communication protocol
hii use serial communication to transmitt simple 8-bit data with start and stop bits. in the transmitter circuit, you see two buttons which allow you to press one of them. when one of them has been pressed, i was expecting to see one led to swtich ...
Microcontrollers :: 28 Aug 2005 14:07 :: Maverickmax :: Replies: 14 :: Views: 2004
code ?
hi all, therere a lot of code ( such as manchester, nrz, ... and rc5).please help me about tutorial of those code...
Microcontrollers :: 19 Aug 2005 16:06 :: komandara :: Replies: 3 :: Views: 375
manchester code
hiwhat is manchester code?...
Microcontrollers :: 20 Jul 2005 13:36 :: guttinasrinivas :: Replies: 6 :: Views: 675
manchester coding
can some body give me c code to manchester encode and decode a byte of data .i am using pic18f452 mcu and c18 compiler.i need a function like encode(byte in) { return (byte [2] manchester); } decode(byte [2] manchester) { return(byte out); }...
Microcontrollers :: 07 Apr 2005 14:41 :: Buriedcode :: Replies: 4 :: Views: 519
how to write this vhdl program to convert codes??? thanks !
hello, i want to use nrz(non return to zero) for input,then convert to manchester code, how can i write this program ???any reference ? thanks !...
PLD, SPLD, GAL, CPLD, FPGA Design :: 16 Jan 2005 11:01 :: arunragavan :: Replies: 3 :: Views: 795
differentiating between manchester and biphase
hi,i need to check a data stream to know if it is coded in manchester(biphase-l) or biphase-m, before decoding it on a microcontroller.manchester codes a 1 by a high to low transition, and a 0 by a low to high transition (transitions are in the midd...
Microcontrollers :: 30 Nov 2004 0:46 :: albert22 :: Replies: 4 :: Views: 519
wireless digital audio, the saga continues...
hi,i posted several questions in this forum about a project of mine that ive been working on, on and off for about 2 years. its a wireless digital audio system for musical instruments. heres the rough specs..resolution: 16 bit. cs5330a adc, stereo, ...
Hobby Circuits and Small Projects Problems :: 29 Oct 2004 1:34 :: Buriedcode :: Replies: 0 :: Views: 378
hardware design of 3mb/s point-to-point data link..
posted many questions in this board, and have received many useful replys. i thank you. heres my next problem.... :? basically ive designed a simple protocol on cplds for a 3mb/s data link using manchester encoding (1byte preamble, 2 bytes data,...
Professional Hardware and Electronics Design :: 31 Jul 2004 2:26 :: Buriedcode :: Replies: 3 :: Views: 471
cpld, wireless digital audio...
hi, i posted a similar question in the dsp forum, probably the wrong place to post it, no-one replied :oops: well, i have designed a system to convert an audio signal into digita, send this across some sort of wireless link (radio, ir etc..) and th...
PLD, SPLD, GAL, CPLD, FPGA Design :: 14 Jul 2004 18:31 :: Buriedcode :: Replies: 6 :: Views: 708
rf transceivers
hi.im not sure anyone here have used transceivers called addlink112 from rfsolutions (www.rfsolutions.co.uk). im kinda having trouble sending multiple data from 2 transceivers to 1 transceiver. the problem is only 1 transceivers data is received on t...
RF, Microwave, Antennas and Optics :: 27 Apr 2004 8:26 :: pva :: Replies: 3 :: Views: 363
1/3-2/3 pulse decoding library for pic ?
hidoes somebody have drag and drop asm library for decoding 1/3-2/3 pulses ?bit 0 is 1/3 x total period logic level 0 and 2/3 x total period 1bit 1 is 2/3 0 and 1/3 1this code can be inverted, no matterthx...
Microcontrollers :: 15 Jan 2004 13:20 :: tgq :: Replies: 3 :: Views: 588
clock recovery on ethernet
a ethernet interface chip, like 8139, 8019... when it receiving data, how does it recover the synchronous clock?is there a pll ?any idea ?...
Professional Hardware and Electronics Design :: 13 Jan 2004 9:00 :: abouras :: Replies: 1 :: Views: 336
manchester decoder for avr needed
dear fellows,anyone knows about a piece of code for avr which does decodingof manchester encoded data? bitrate is around 2 kbps.~flaxa...
Microcontrollers :: 28 Jun 2003 10:57 :: ME :: Replies: 1 :: Views: 1156
mix two data lines?!
helloif you have 2 serial data lines with manchester encoding at 28kbps,how can i mix them and send it by one serial data line at upper speed like as 56kbps ?(at receive end ,i want to seperate it again and have the original 2 data lines)please help ...
Professional Hardware and Electronics Design :: 14 May 2003 16:55 :: 7rots51 :: Replies: 17 :: Views: 596
rf encoder/decoder
hi,i need to replace a holtek ht12d and ht12e with a pic 16f676, do you know source code for this ?thankstotue...
Microcontrollers :: 28 Apr 2003 18:30 :: gorkin :: Replies: 1 :: Views: 901
manchester encoding?
helloi need some info on manchester encode and decode.it is useful that someone describe the benefits of this method for transmitting data and its applications.bye...
Professional Hardware and Electronics Design :: 24 Apr 2003 0:46 :: gorkin :: Replies: 3 :: Views: 448
wireless speech comunication
my 433mhz walkie-talkie project summary: re rf project thread: http://www.elektroda.pl/eboard/viewtopic.php?topic=12087&forum=1&start=25&33after reading/researching and your help i know the following.i need a anti-alising filter after the mic to prev...
Professional Hardware and Electronics Design :: 28 Feb 2002 15:35 :: Encrypted :: Replies: 3 :: Views: 898
rf project
for my 3rd year project at uni i have the task of designing and building 433mhz digital low power walkie-talkies. i am looking for circuit designs in this area.i will be using qfmt5/qfmr5 fm radio modules. these will be connected to coders/decoders ...
Professional Hardware and Electronics Design :: 26 Feb 2002 14:47 :: steviemidnight :: Replies: 33 :: Views: 6312
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