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frequency meter pic led display
this is a good lc-meter not only for hobby electronics.the link is:http://www.aade.com/lcmeter.htmi didnt have pic16c622 and i changed the code to use pic16f877.the pins must stay the same.here is my ...
Hobby Circuits and Small Projects Problems :: 05 Nov 2009 15:22 :: antonx91 :: Replies: 84 :: Views: 53755
diy moving message display
hi alli want to have moving message display program for atmel at89c251. may some one help me?...
Microcontrollers :: 29 Oct 2009 11:11 :: madicalphy :: Replies: 565 :: Views: 212641
programming at89s51 in rs232
i am needing a programmer to atmel at89s51 in serial rs232, i made the avr910 but in avrprog doesn“t have suport to at89s51, any idea?regards aldevan...
Microcontrollers :: 28 Oct 2009 14:07 :: vbalaganesh :: Replies: 18 :: Views: 1335
help required in building microcontroller based project
i am starting making project on 89c2051 micro controller. i am so confused that where to start making project. i have a complete ckt diagram. is any software available on which i can simulate my ck...
Hobby Circuits and Small Projects Problems :: 24 Sep 2009 12:09 :: aandavan :: Replies: 2 :: Views: 207
how to interface rtc ds12887 to at89s51..??
i want to make simple digital clock using rtc and uc, but i dont know how to start?if there anyone know how to interface at89s51 with rtc ds12887 please help me? if there a schematic and *.asm its bet...
Microcontrollers :: 21 Sep 2009 22:34 :: ctownsend :: Replies: 9 :: Views: 1617
try my standalone at89s isp programmer
vices provided you follow the pinout in the schematic. the code is under 2k so it will even work in 89c2051/89s2051. (it wouldnt hurt to use two pullup 4.7k resistors on p1.0 and p1.1 if you use an 89...
Microcontrollers :: 05 Sep 2009 12:44 :: nikunjgopi :: Replies: 38 :: Views: 6204
tachometer with optical sensor
i have to use 89c2051 micro-controller.pls help with this. we have to measure speed of rotating shaft and measure it using uc.display it on lcd...pls reply people as early as poss......
Hobby Circuits and Small Projects Problems :: 04 Sep 2009 7:38 :: pranam77 :: Replies: 3 :: Views: 327
cheapest microcontroller
hai, which one is cheap 8 bit mcu8051 motorolaor atmelavrpic...
Microcontrollers :: 02 Sep 2009 12:46 :: harii74 :: Replies: 28 :: Views: 5170
tachometer
im planning to build a digital tachometer using ir sensor and counters that can be displayed on 4-seven segment display that counts from 0-9999. does anybody has an idea on how to make the counter cou...
Hobby Circuits and Small Projects Problems :: 02 Aug 2009 12:36 :: Prototyp_V1.0 :: Replies: 22 :: Views: 2922
led rpm meter
i have i schematics bat i dont have a software. can anyone help me? here are the schematics....
Microcontrollers :: 01 Jun 2009 10:57 :: srkyboykg :: Replies: 4 :: Views: 1080
vibrating motor with circuit design
hi everyone, i am require to come out with vibrating motor which is able to be control via a rf wireless remote control and able to control the speed of the vibrating motor. im new into this field. i ...
Other Design :: 25 May 2009 6:48 :: oTaRu :: Replies: 2 :: Views: 763
controlling the motor speed!!!!
...
Industrial, Robotics and Automatics Forum :: 22 May 2009 5:57 :: pranam77 :: Replies: 3 :: Views: 963
need design of ac voltage measurement circuit and c code
need design of ac voltage measurement circuit and c code for 89c2051?any link ?any help...
Microcontrollers :: 18 May 2009 14:11 :: engr_najam :: Replies: 3 :: Views: 483
interfacing rsw-434 tsw-434 with 8051
i m having problem in interfacing rf transmitter tsw and receiver rsw 434 with microcontroller 8051.is it necessary to connect encoder decoder between controller and tsw/rsw-434 ?which serial mode sho...
Microcontrollers :: 02 May 2009 1:34 :: Vandal S :: Replies: 19 :: Views: 2571
need code to run the attached rlp-tlp circuit using 89c2051
the idea is to run the motor and in case of any obstacle detected by the ir sensor it has to stop the motor and signal through the transmitter to the reciever station at a certain distance, which can ...
Microcontrollers :: 28 Apr 2009 3:29 :: ctownsend :: Replies: 1 :: Views: 234
microcontrollers keilc - starting address and range problem
hiim using atmel 89c2051 and i donot know what should be the starting address and range for the <tools><options>since the mem range is limited and the keilc is eval version i use(downloade...
Microcontrollers :: 17 Apr 2009 4:19 :: bobsanjose :: Replies: 2 :: Views: 357
500watt dc-ac power inverter using 89c2051
hi, iwant to build a dc- ac power inverter using 89c2051. i want circuit and related software. please...
Microcontrollers :: 11 Apr 2009 22:24 :: Farazz :: Replies: 2 :: Views: 807
anyone built the elektor usb programmer?
anyone who has succesfully built the usb programmer published in elektor? it looks promising if the pc software could be updated, maybe already is?mred...
Microcontrollers :: 04 Apr 2009 11:48 :: sajidmuhaimin :: Replies: 23 :: Views: 4905
pic based rpm meter
hi friends,this is my new project called digital rpm meterenjoy it...
Hobby Circuits and Small Projects Problems :: 23 Mar 2009 13:42 :: pranam77 :: Replies: 19 :: Views: 5571
pic rc5 code
can anyone share c code for decoding rc5 signals using pic microcontoller? ive googled for days and all the code that i found used delays to sample the signal..which causes problem when rc5 signal tim...
Microcontrollers :: 19 Feb 2009 21:11 :: btbass :: Replies: 60 :: Views: 19870
simple radio control?
i want to control a device by radio, three states: equivalent to left (01), right (10) and do nothing (00). range about 3 metres in air but through a 10mm solid, so cant use ir. security is not an iss...
Digital communication :: 25 Jan 2009 20:40 :: probert :: Replies: 3 :: Views: 462
how to controle some relays through rf.
hi,dear i want to make a telemetry project. i want some ideas that how to make a relay on off which is connected to a 89c51 controller with a receiver. i want to sent some sort of signal through my tr...
Microcontrollers :: 07 Jan 2009 16:45 :: ctownsend :: Replies: 6 :: Views: 375
which microcontroller do you use or prefer and why?
with so many types available in the market today and with so many benefits it is not easy to focus in one single type, mainly the type of project that this being developed.the question is: which micro...
Microcontrollers :: 23 Dec 2008 16:45 :: erio :: Replies: 64 :: Views: 3804
ac voltage measurement
hi guysim doing project on ac line voltage measurement by mcp3201 and 89c2051.im facing problem in ac to dc conversion by rectifier and filter response.so can anybody tell me any other direct measurem...
Microcontrollers :: 25 Nov 2008 12:23 :: anupteke :: Replies: 9 :: Views: 2370
i need a project having new idea
hi every1.... i have to make a project in university using microcontroller 89c2051....if any one of u having a new idea than plz help me..like controling home devices using microcontroller.and i m int...
Microcontrollers :: 21 Nov 2008 4:39 :: fireball003 :: Replies: 4 :: Views: 414
89c2051 serial data transmitting and reciving
hi allı wanted to send serial data and reciving it but ı couldnt doım using keil and c language please help http://img299.imageshack.us/img299/2135/adszjx7ie3.jpgi could find no imforma...
Microcontrollers :: 19 Nov 2008 8:16 :: senthilkumar :: Replies: 2 :: Views: 336
89c2051 and vb6
hallo! i want to conect 89c2051 and computer on com port. i want to read and sent data to microcontroler. reading temperature and ... how can i do this in visual basic? i need sample please. thanks...
PC Programming and Interfacing :: 06 Nov 2008 12:15 :: ctownsend :: Replies: 1 :: Views: 255
tachometer
good evening!actually i am doing a tachometer as my college project using 89c2051 .but i dont know how to use moc7811 sensor can anybody help me ?pls its urgent!...
Microcontrollers :: 24 Oct 2008 15:30 :: pranitamm :: Replies: 2 :: Views: 360
i need at 89c51 based moving message display with software
i am trying to make a moving message display just for learning purpose if any one know about it or about any related site please do tell me i have a craz to make it plz help....
Microcontrollers :: 15 Oct 2008 6:25 :: besthabit :: Replies: 11 :: Views: 1569
ask for help: about er400trs
ransmitter & reciver ics.about er400trs, i want to know if it can work with a microcontroller, like 89c2051. also, how does a microcontroller control it? where can i find the timing for er400trs? need...
Hobby Circuits and Small Projects Problems :: 08 Oct 2008 8:21 :: mvs sarma :: Replies: 1 :: Views: 129
looking people from india to write source codes.
we design light chaser working on 220v using 89c2051/89c51/89c52/89s52. we also design led matrix which are non cascading type (30 channels of chaser will require 30 output pins) and to work with vari...
EDA Jobs, Promotions, Advertising :: 01 Sep 2008 9:04 :: pranam77 :: Replies: 0 :: Views: 366
interfacing lm35 to 89c51 microcontroller.
hi..im rafihow to interfaced lm35dz with adc.i have no idea to do it...the adc that i use is adc0804...and what amplifier that i want 2 use?please help me sir.....
Microcontrollers :: 07 Aug 2008 13:16 :: Abhishekabs :: Replies: 5 :: Views: 603
need help on at89c2051
i am trying to programme hex file into the at89c2051. needa hand in the project soon so i don really hav time to change it. can anyone pls tell me wad software i should use to download the programme i...
Microcontrollers :: 05 Aug 2008 5:18 :: jl_21 :: Replies: 4 :: Views: 333
asm to bin conversion
hi for all,i attach two *.asm files for atmel 89s52,please, can somebody create for me two *.bin files,50 points gift,regards...
Microcontrollers :: 10 Jul 2008 10:54 :: pasicr :: Replies: 7 :: Views: 720
car window lift dc motor
i am making gsm car alarm system, one of the features is controlling power window of the car from the microcontroller, how this can be done ? the microcontroller should control the switch panel of the...
Microcontrollers :: 06 Jul 2008 20:41 :: fratello :: Replies: 12 :: Views: 615
8051
hi every oneplease any one give me a sort discription or abstract of any project based on8051....
Microcontrollers :: 24 Jun 2008 18:57 :: amol_shah :: Replies: 18 :: Views: 654
microcontroller simulator
need microcontroller simulator....
Software Requests :: 21 Jun 2008 4:43 :: mzahidraja :: Replies: 6 :: Views: 180
rf transmitter & reciver for remote control
i want a design for remote control using rf transmitter & reciver with 8051 microcontroller for home appliances...
Hobby Circuits and Small Projects Problems :: 19 Jun 2008 4:44 :: seesy123 :: Replies: 14 :: Views: 5086
led moving message display
i wanna software led moving message display in 89c2051 of 5*7 block having eeprom(2404)and ps2 keys....
Software Requests :: 15 Jun 2008 18:54 :: sajal1975 :: Replies: 0 :: Views: 165
problem with 89c2051 driven walking message display
hi to allcan some one help me in completing this project? i tried this dontronics project. i program this with both metalink and jsm51 but it is not working. i m not getting any running effect. i am...
Microcontrollers :: 06 Jun 2008 13:30 :: prasadr6 :: Replies: 0 :: Views: 120
problem interfacing 89c2051
ere i am converting to digital,this digital value i am taking at one of the port of microcontroller(89c2051).i want to get this value using serial communication.for that i have connected the microcont...
PC Programming and Interfacing :: 03 Jun 2008 0:07 :: DrBob13 :: Replies: 14 :: Views: 1185
[ask] making ir sensor as a closed loop in line follower
hello guys...i want to ask , is there anyone that has a tutorial how to make ir sensor as a closed loop for line follower to steer the robot using pd control??? i read a lil bit that the ir needs to ...
Microcontrollers :: 22 May 2008 5:02 :: ckshivaram :: Replies: 5 :: Views: 327
100 points for good idea
hi for all,anybody has idea for this,one relay is activated with some signal for electronic door,i need hardware + software for counting (in real time) any click on rele, with report like date and tim...
Microcontrollers :: 16 May 2008 13:13 :: pouchito :: Replies: 62 :: Views: 8329
problem in interfacing 89c2051?
ere i am converting to digital,this digital value i am taking at one of the port of microcontroller(89c2051).i want to get this value using serial communication.for that i have connected the microcont...
Microcontrollers :: 22 Apr 2008 4:12 :: yviswanathbe :: Replies: 0 :: Views: 126
89c2051 interfacing
hi,can any one send me circuits and programmiing samples for intefacing of 1)atmel 89c2051 with max 2332)atmel 89c2051 with adc 0804thanks in advance....
Microcontrollers :: 09 Apr 2008 11:27 :: H_D_R :: Replies: 3 :: Views: 294
advanatages of at89c2051
whats with 89c2051 that other microcontroller do not have?...is it good enough to use this kind of microcontroller?......
Microcontrollers :: 01 Apr 2008 4:51 :: H_D_R :: Replies: 16 :: Views: 581
digital tachometer from 1 to 2500 rpm with speed alarm help!
hello everyoneim going to build a digital tachometer capable to measure revolutions from 1 to 2500 rpm with resolution of 1 rpm and speed alarm on low and high speed.the shaft generate 3 pulses per re...
Microcontrollers :: 31 Mar 2008 19:08 :: rockstar_212 :: Replies: 8 :: Views: 522
89c2051
dear friendswhat will happen if we do not connect the capacitor from reset pin to +vcc?is there any documents related to power down mode of 8051 is available?i would like to know more about the cold b...
Microcontrollers :: 04 Mar 2008 14:26 :: mkiani :: Replies: 7 :: Views: 339
master slave configuration for at89c2051
can we configure one at89c2051 as master and then controlseveral at89c2051 ucs as slaves??please provide the simplest possible solution .....
Microcontrollers :: 20 Feb 2008 14:33 :: salmansalman :: Replies: 5 :: Views: 456
analog to digital conversion on 8051
hi all,i am using the adc0820 on an 8051 for temperature sensing on an 8051 microcontroller (the atmel 89c51rb2 to be exact). i only require 5-bit resolution though, but the adc0820 is an 8-bit conver...
Microcontrollers :: 18 Feb 2008 19:14 :: mongoose :: Replies: 6 :: Views: 264
how to start study microcotroller because i want to study it
i realy want to study microcontroller but i dont know how to start study it and i dont have book to help me study microcontroller. please help me i want to study it. ...
Microcontrollers :: 12 Feb 2008 12:07 :: DE2IS :: Replies: 34 :: Views: 1662
reseting code
hai everybody,i want to write code for reseting a relay at every 6 hour once please help me....
Electronic Elementary Questions :: 06 Feb 2008 6:15 :: muralicrl :: Replies: 4 :: Views: 105
help me in code.
hai everybody, i want to write code in 89c2051 controller for reseting a relay at every 6 hour once please help me.....
Hobby Circuits and Small Projects Problems :: 02 Feb 2008 6:11 :: Livingston :: Replies: 0 :: Views: 108
problem in interfacing cc2500 to at 89c2051
hello,i am using the following : processor: at89c2051 crystal : 11.0592 mhz rf ic :cc2500 pull up resistor : 4.k i am unable to write and read from the configurable registers, can anyone give a clu...
Microcontrollers :: 28 Jan 2008 19:39 :: FvM :: Replies: 2 :: Views: 294
problem with keil software
hai i am using 89c2051 for a project.i started writing codes in c but when i checked the hex file i found the first instruction is to jump location 800h.as this ic having only 2k my program will not...
Microcontrollers :: 23 Dec 2007 14:49 :: Roma_te :: Replies: 13 :: Views: 450
rs232 control led without mcu
hi,is it possible without mcu directly using rs232 to control some output device? at this moment i just only need to control one led and one buzzer.thank you....
Microcontrollers :: 15 Dec 2007 8:43 :: IanP :: Replies: 4 :: Views: 284
interfacing 89c2051
lay some character in the p.c.that circuit contains one max232 circuit and basic working circuit fo 89c2051(contains 11.0592 crystal with two 33pf and 8,3k ohms and 10µf for reset pin). the program is...
Professional Hardware and Electronics Design :: 04 Dec 2007 5:29 :: Livingston :: Replies: 7 :: Views: 828
atmel 89c52 serial communication
hi everybody!im working on a project title intelligent entrance system for condominiums and im using atmel 89c52 for serial communication partbut, im not clear about the circuitry and how does this mi...
PC Programming and Interfacing :: 30 Nov 2007 12:26 :: rajkumarrajan :: Replies: 8 :: Views: 5802
regarding 89c2051:
1. please can any one give a circuit for 89c2051 controller to display message in the p.c. using uart. please:cry:2. is there is any way to check 89c2051 ic wheather it is working or not, before loadi...
Electronic Elementary Questions :: 29 Nov 2007 10:55 :: zohaib :: Replies: 1 :: Views: 111
regarding 89c2051
i have programmed 89c2051 controller to keep on displaying a name.for that i am using max232 circuit. all the hardware design are correct the voltage level at all pins also correct, the code is also e...
Hobby Circuits and Small Projects Problems :: 28 Nov 2007 7:49 :: Livingston :: Replies: 4 :: Views: 207
regarding 89c2051
what is the voltage level for reset pin in 89c2051 controller....
Electronic Elementary Questions :: 26 Nov 2007 13:08 :: M!k :: Replies: 1 :: Views: 63
89c2051 help frequency divider
i must make a frequency divider i meen if the in frequency is 3hz the out frequency must be 2 hz the amplitude of in frequency is 8 hz - 130 hzcan some implement in c thanks...
Microcontrollers :: 23 Oct 2007 13:01 :: syrax :: Replies: 2 :: Views: 120
replace an at89c2051 with at89s2051
hi!if anyone could help, i would like to know if i could replace an at89c2051 with at89s2051 without any modification in hardware and software. let me explain, i have an project of elektor (ir light d...
Microcontrollers :: 07 Oct 2007 21:26 :: sn_burki :: Replies: 12 :: Views: 1854
pulse width modulation
please help...can i use pulse width modulation with 89c2051 microcontroller?...and if, how can it be?...:cry:...
Microcontrollers :: 02 Oct 2007 3:51 :: Darth Maul :: Replies: 4 :: Views: 447
remote controlled light dimmer
eed the microcontroler program for this. id prefer it if the prog was for a atmel 89c51 or an atmel 89c2051 but any other program is fine too.thnx in advance...
Hobby Circuits and Small Projects Problems :: 11 Sep 2007 17:38 :: pilchard :: Replies: 12 :: Views: 5061
microcontroller-based motor control
ion motor control. but im confused what shall i do first?...could you help me?...ill be using the at89c2051 microcontroller, supposing this is the only microcontroller available.......
Microcontrollers :: 07 Sep 2007 6:07 :: vijaya_narayana :: Replies: 14 :: Views: 627
line follower robot
tand about tha function maybe its pwm ?.can anybody explain me how to control speed the motor using 89c2051 in sdcc ?sorry about my english :d...
Microcontrollers :: 01 Sep 2007 18:11 :: xmfa32 :: Replies: 0 :: Views: 288
at89c2051
what if i want to control three phase induction motor, will it still be the same the other motor, say for example its speed, using this microcontroller?......
Microcontrollers :: 05 Aug 2007 11:01 :: silic :: Replies: 2 :: Views: 222
tafe programmer an at89c2051-help!!!
.com/2051pv2.gif) and ic-prog.exe and it doesnt work to me..:(1) these connections must be done;--->89c2051 pin20(+5v), pin10(gnd), 74hc174 pin16(+5v) pin8(gnd)because they dont exist in the 2051pv2.g...
Microcontrollers :: 04 Aug 2007 0:12 :: silic :: Replies: 3 :: Views: 549
create hex file...
hi,can someone create hex file from this source code in basic language,for atmel 89c2051 at 6 mhz,best regards...
Microcontrollers :: 21 Jul 2007 3:01 :: pasicr :: Replies: 0 :: Views: 144
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