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temprature measurement with sht11 sensor
8) sht11 ile sicaklik+nem olcumuhttp://www.turkengineers.com/img/metinimg/51.jpgcircuit:http://www.turkengineers.com/img/metinimg/51_2.gifsite:http://www.turkengineers.com/metin.php?metin=51&phpsessid=a118786eec4c411fec316c49e5372798#hn...
Robotics and Automatics Forum :: 24 Nov 2009 14:35 :: vinnzy :: Replies: 65 :: Views: 42455
proteus and ccs help!!
i guys im new to it , and i cant figure out how to use proteus with ccs c for pic !!! i want to run a c program for picdem 2 plus !!any tutorial somewhere??thanksp.s. yes i did search before asking , if it exist, i missed it !! :-)...
Microcontrollers :: 19 Nov 2009 23:11 :: Kaleborg :: Replies: 8 :: Views: 723
best pic compiler
which one is the best pic compiler?...
Microcontrollers :: 19 Nov 2009 9:53 :: sudipmuk :: Replies: 76 :: Views: 13332
pic 16f876a pure sinewave inverter
dose any one help me to find a project diy about 12vdc/220vac pwm inverter based on pic...
Other Design :: 15 Nov 2009 19:05 :: doc007 :: Replies: 151 :: Views: 36545
pid autotuning algorithm and code
hii need pid autotuning code and algorithm(theory).please give some helps on this.bye...
Microcontrollers :: 15 Nov 2009 15:05 :: sree2728 :: Replies: 41 :: Views: 17386
pic18f2550, c18 - what setting to choose for cpudiv?
pll // prescaler selection bits:plldiv = 1 // no prescale (4 mhz oscillator input drives pll directly)plldiv = 2 // divide by 2 (8 mhz oscillator input)plldiv = 3 // divide by 3 (12 mhz oscillator input)plldiv = 4 // divid...
Microcontrollers :: 14 Nov 2009 22:19 :: hkBattousai :: Replies: 20 :: Views: 678
at89s8253 - eeprom - string initialization
put it inside hex file to send to a t51prog2 - elnec programmer::1030000001060203010101010001000000010101aci tried use xdata commands and _at_ keyword but doesn´t work.is there a command ( like ccs - pic compiler= #rom 0x2110 = {127,0,0,0} ) to do it...
Microcontrollers :: 09 Nov 2009 0:53 :: raymann_2 :: Replies: 0 :: Views: 45
pic+lcd problem with displaying
hello, i wrote a codeto display some data on lcd display. but, i am not getting anything on the display :( :( :(#include<p18f4520.h>#pragma config wdt = offvoid delay( void );void getlcdcommand(void);void getlcddata(void)...
Microcontrollers :: 28 Oct 2009 22:49 :: codewiz :: Replies: 5 :: Views: 234
project to replace cy7c64613 in the icd2
i am evaluating the posibitity to replace the cypress usb on the icd2 with a pic18f2550 or similarreasons for this are:-cy7c64613 seems to be dificult to obtain. -lower price ($20 vs $10). -smd package requires a pcb and more or less skilled solderin...
Microcontrollers :: 23 Oct 2009 17:33 :: SG61-addict :: Replies: 1847 :: Views: 374492
easy pic usb cdc
forget all usb-modx and ftdi chips ! this is an easy-to-use usb cdc solution with pic 18f2550 (samples available :d ) - blink led 20 times on porta.0 (pin2) if b character sent to pic- echo other character sent to picmodified ccs c source files, hex ...
Microcontrollers :: 22 Oct 2009 9:47 :: robinvdb :: Replies: 14 :: Views: 9141
pic advanced tutorials in ccs with examples
hi,i am looking for documents with advanced programming, in ccs, of pics and with examples.im interested in moving up for the 18 series.i am looking for tutorials that are more advanced and do not cover the trivial applications of pics.thanks,bruno...
Microcontrollers :: 20 Oct 2009 23:19 :: Slorn :: Replies: 3 :: Views: 282
how to use 16f877a instade of 18f452 in ledmatrix
this is the oreginal project with 18f452http://img230.imageshack.us/img230/4271/452alv.jpgafter modefing it to use 16f877a it became http://img230.imageshack.us/img230/8172/877a.jpgbut this error appears http://img230.imageshack.us/img230/3223/173815...
Microcontrollers :: 20 Oct 2009 9:25 :: vaniajennifer :: Replies: 53 :: Views: 4496
stopwatch between two pins
hey, i am trying to determine the time difference between two pins going high. more specifically, im using a pic 16f690, and the two pins in question are pinc1 and pinc5.basically, pinc1 goes high, and a very short time later, pinc5 goes high. the ti...
Microcontrollers :: 14 Oct 2009 14:50 :: hobby_85 :: Replies: 0 :: Views: 129
[50 pts for real help]pc interfacing using usb
im familiar with pc to pic interfacing using the serial port. now im learning how to do the same thing but with the usb port. i build a usb to serial converter for this purpose. before i used to use vb/delphi for designing my guis. with delphi i use ...
Microcontrollers :: 10 Oct 2009 9:05 :: bobcat1 :: Replies: 8 :: Views: 453
interfacing graphic lcd
i am trying to procure a graphic lcd and interface it with pic18f452 or pic16f877a . can some one please guide me which lcd should i procure and the way of programming it. i am using mikroc . i think it supports only 128x64 glcd. please send in help ...
Microcontrollers :: 08 Oct 2009 5:44 :: tekorei :: Replies: 34 :: Views: 15603
external memory for data storage
hi all,i need to connect some external memory to the pic in order to store data from adc.i am completely new to it, so i wanted to clarify a couple of things:1. what type of memory would be suitable for this purpouse?2.how can it be connected to uc a...
Microcontrollers :: 07 Oct 2009 1:11 :: x3.exe :: Replies: 8 :: Views: 366
communication problem between two pic mcs using rf modules
i am trying to communicate two pic mcs using rf modules.....i were connected module direcly to pic to tx and rx pins of mc with baud of 500bps.but it doest works properly can any one help me...rx mc received signals but not correctly.its urgent becau...
Microcontrollers :: 01 Oct 2009 15:31 :: thand-s :: Replies: 6 :: Views: 276
i'm at a critical part to completion.
as the matter stated, i did my part of the programming... im using jhd 162a lcd, pic 16f877a, and an unknown wiegand rfid reader and am using ccs. the following codes written is running fairly well and might need some optimization. but thats not the...
Microcontrollers :: 13 Sep 2009 22:56 :: Ave_Rapina :: Replies: 1 :: Views: 198
speed control of dc motor using pic16f877?
hey all i am new to this but i would like to know if anyone has some guidelines or code on how to program a pic16f877 to have speed control of a dc motor....
Microcontrollers :: 10 Sep 2009 7:16 :: semut :: Replies: 16 :: Views: 4245
16x1 lcd only shows 8 leftmost characters
hello,i have written asm program for 16 x 1 lcd (with no auxiliary driver) means one ic (or epoxy blob) on back.but i have seen only 8 leftmost characters.;lcd inti routine mov a,#38h ; 16 x 1 lcd acall command mov a,#0eh ...
Microcontrollers :: 09 Sep 2009 5:36 :: freedomtruth :: Replies: 3 :: Views: 549
hex code, ccs compiler
dear all,i just changed from pic16f690 to pic16f876a. the pic is used for motor driver application and it sends signals to the h-bridge vnh2sp30. the code written for pic16f690 worked well with no errors. but now, i am getting some errors, mainly unk...
Microcontrollers :: 08 Sep 2009 17:30 :: FvM :: Replies: 1 :: Views: 408
how the send "atd0498xxxxxxx" code from pic to gsm
hi;i want to send at command my gsm mobile with pic 16f628. for example;i maked test below code with hyper terminal. everything ok.------------------at<press enter>okatd0498xxxxxxx<press enter>------------------ it is ok who maked with t...
Microcontrollers :: 07 Sep 2009 9:19 :: angel_n_daemon :: Replies: 10 :: Views: 1059
quadrature encoder programming
iv made a motor controller circuit for 2 motors & each has a quadrature encoder. the pic im using is pic16f877a. i got no idea regrading how im going to programme the pic to accommodate the encoders. herewith i have attached the motor controller prog...
Microcontrollers :: 07 Sep 2009 5:24 :: vibz86 :: Replies: 0 :: Views: 267
embedded compilers vs other compilers
hi allcan anyone tell me what are the differences between embedded compilers(keil, pic c compiler) and other c,c++ compilers....
Embedded Systems and Real-Time OS :: 31 Aug 2009 14:47 :: elrayes :: Replies: 3 :: Views: 468
help with c program, 16f877a
hello!i am new at this forum,i am starting in pic programming, i have bought a pic16f877a, and i am having problems with my first attempt to program this pic, now i really dont know what else to do, i hope someone can guide me through this.what i am ...
Microcontrollers :: 27 Aug 2009 0:02 :: daviddlc :: Replies: 5 :: Views: 474
pic16f877 adc oscillation in 4 channels
hi!i have problems with my project, i try to read four analog inputs of a pic16f877 with this code in ccs: setup_adc(adc_clock_internal); setup_adc_ports(all_analog); while(inttela == 1){ if(l == ...
Microcontrollers :: 25 Aug 2009 13:22 :: Doglao :: Replies: 2 :: Views: 403
pic18f4550 interface with pc through usb
hi all,i am new in mcu pic18f4550, i am trying to program the mcu to communicate with pc through usb.i bought the ccs compiler pcwh and microchips demo board.the terrible thing is that their resources are belong to different coding,i am frustrated in...
Microcontrollers :: 23 Aug 2009 9:06 :: nyanphyoaung :: Replies: 7 :: Views: 2018
good pic simulator?
i have a program in which i have two isrs servicing a timer set to interrupt.these isrs handle signalling that is time sensetive and hence i need to be able to know how many clock cycles my code (the isrs) takes to execute.once i know that, i believe...
Microcontrollers :: 21 Aug 2009 3:25 :: blueroomelectronics :: Replies: 5 :: Views: 453
interfacing pic18f2550 to labview 7.1 or later
hi im new to microcontroller but im expert in labviewso is there anyone help me in finding out how to interface pic18f2550 to labview using usb.thanksbye[/b]...
Microcontrollers :: 21 Aug 2009 1:53 :: Osolong :: Replies: 18 :: Views: 7892
pwm problem
i use an analog input to pic and i generate a pwm.when i change the amplitute of the input i want to change the duty cycle of the pwm.this is not happen.is anyone know why.i use pic16f777 and pcm ccs compiler. my code is : #include <16f777.h> #...
Microcontrollers :: 21 Aug 2009 1:53 :: manpriya :: Replies: 4 :: Views: 426
calculate the amplitude of sin signal ??
hi how to calculate the amplitude of sin signal using microcontroller?what i need is the algorithm which will be implemented in the microcontroller to compute the amplitude (or the rms value) of the input signal... thanx......
Microcontrollers :: 19 Aug 2009 16:02 :: Prabakaran :: Replies: 22 :: Views: 3243
distance measurement using pic & ultrasonic sensors
hello!i just want to share my bsee graduation project here with you guys.hope it helps someone...your questions & comments are highly welcomed.for completeness sake, i uploaded appendix c, which contains selected some useful data sheets related direc...
Microcontrollers :: 12 Aug 2009 14:46 :: TerenceHui :: Replies: 18 :: Views: 3212
need help to make usb icd2clone work ( 4550 & 877a versi
i built the icd according to the info posted by pics there: http://www.edaboard.com/viewtopic.php?t=161641&start=420&sid=1b18e31069a55140f08abe1a5d20b037( top of page 16)i didnt want to pollute the other thread with my struggling so i created another...
Microcontrollers :: 10 Aug 2009 12:19 :: mz_fadhli :: Replies: 70 :: Views: 13629
best micros
what is the best microcontroller for industrial purposes?/...
Electronic Elementary Questions :: 03 Aug 2009 7:23 :: Infinytus :: Replies: 20 :: Views: 883
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 count for every 3 sensed ir.?...
Hobby Circuits and Small Projects Problems :: 02 Aug 2009 12:36 :: Prototyp_V1.0 :: Replies: 22 :: Views: 3036
few nice projects in website
few nice projects including: ultraviolet light source uv-80 for pcb exposure, pcb etcher,z axis accelerometer mma1220d from freescale,arm7-base development board for lpc2148 you can find here: http://www.scienceprog.com...
Hobby Circuits and Small Projects Problems :: 01 Aug 2009 6:13 :: bhas_r :: Replies: 5 :: Views: 1023
need help for seven segment display in ccs
hi,i am using pic 16f873a controller. i that project i want to display float value in 4 digit seven segment led display. the data lines(a to g) of the seven segment display is port b1 to b7, and dot point (dp) at c0. can anybody help for me?thanks i...
Microcontrollers :: 29 Jul 2009 4:07 :: aanand_44 :: Replies: 0 :: Views: 216
advice for beginners with pic uc
dear all,i am intending to begin program with pic microcontrollers (8 to 12 bits, like in e.g. pic16f84) to be used to control pll applications (i2c, spi interfaces) among other small application involving collect signals.as i will begin from the scr...
Microcontrollers :: 29 Jul 2009 1:01 :: millwood :: Replies: 4 :: Views: 804
quadrature encoder pic programs
hi, can anyone pls post a simple lcd code for me? i just need to know how to show a word in a 2x16 lcd. btw, im using microchip pic16f877!...
Microcontrollers :: 24 Jul 2009 21:50 :: Jorge Jair :: Replies: 13 :: Views: 1875
icd-u40 - circuit and pcb
icd-u40 is a perfect solution for debugging and programming pic. its fully independant from mplab, well integrated in pcw and is quite cheap. it has very advantages vs icd2, at least its faster. here is the circuit and pcb for those who want to make ...
Microcontrollers :: 16 Jul 2009 6:17 :: arash_tah :: Replies: 67 :: Views: 18288
which microcontroller do you use?
i peek into the world of available microcontrollers and the options are making my head spin! arduino, pic, atmel, etc probably all have different strengths and weaknesses but rather than diligently read piles of spec sheets and applications notes i ...
Hobby Circuits and Small Projects Problems :: 10 Jul 2009 7:29 :: dibagay :: Replies: 43 :: Views: 4383
interfacing 128x64 lcd with pic16f877a
hi, im trying to interface a 128x64 lcd by lascar (sp 5-fdx1) with a pic16f877a. can anyone tell me if this is possible by just using the pic16f877a or do i need other ics? the lcd comes with a splc 501c controller by sunplus.... sorry i am new in th...
PC Programming and Interfacing :: 10 Jul 2009 1:13 :: jou_c :: Replies: 3 :: Views: 782
beginning with microcontrollers and zigbee
w to this forum, so im not sure if this is the right board or not! i was hoping i could get some references or tutorials to get started with microcontrollers and zigbee. theres probably a stickyd topic somewhere with some of this stuff, but i could...
Microcontrollers :: 09 Jul 2009 23:37 :: hugo :: Replies: 1 :: Views: 312
pic18f4550 and usb - help needed
hello folks,i finally laid my hands on a couple of 18fs that i wanted to try out with usb. ive done all the typical stuff, got the datasheet, went through the basics, still getting used to the slightly different memory organization (compared to 16fs)...
Microcontrollers :: 04 Jul 2009 1:52 :: asmo :: Replies: 15 :: Views: 3408
microcontroller programming tutorials for newbie
i found very nice microcontroller programming tutorials here:http://forum.mcuprogramming.com/===...
Microcontrollers :: 03 Jul 2009 4:44 :: pawanefy1984 :: Replies: 63 :: Views: 18612
help to chose microcontroller to interface pc keyboard &
hii want to interface 104keys keyboard(any like logitech,acer) with microcontroller i want information regarding which microcontroller should be used...please reply for this.thanksswapnali...
PC Programming and Interfacing :: 24 Jun 2009 17:23 :: eltonjohn :: Replies: 4 :: Views: 530
how to interface two serial comm. devices to a uc
hi !!! i need to inteface a gps receiver and gsm modem to a single at89c52 microcontoller.but my microcontroller has single rxd and txd pins. can anyone tell me how to do this... help needed urgently... thanks in advance...
Microcontrollers :: 22 Jun 2009 9:50 :: aanand_44 :: Replies: 17 :: Views: 1044
8 ch adc -> mcu -> pc
hi there,i need to build an interface that has 8 ch adc connected to pc.i want to measure voltage between 0-5v with this circuit.i saw one guy built this device with pic14f000.i cant copy device because its mcu is code protected.so i need to build my...
PC Programming and Interfacing :: 21 Jun 2009 14:15 :: masood_ahm :: Replies: 19 :: Views: 3690
help! 320x240 lcd not working :(
i recently obtained sed1335 based lcd ew32fa0flw module and connected it to a pic 18f452 microcontroller. data on port d, control lines on port b, using ccs and sed1335.c driver, modified the pin definitions in header file - nothing! display is just ...
Microcontrollers :: 21 Jun 2009 13:49 :: doraemon :: Replies: 6 :: Views: 528
sms controlled switch
my project is a sms controlled switch using pic, i only have a little idea on pic programing. can anyone help me on this project? i need a circuit diagram and program code for the pic....
Microcontrollers :: 07 Jun 2009 5:19 :: ericyeoh :: Replies: 22 :: Views: 2868
i2c help urgent - program stuck in start condition
hi everyone,i am using ccs compiler and pic simulator ide for interfacing pic16f877 and eeprom.i got the results using built n functions of ccs. but when i am using it without built in functions the program stuck in start condition. actually hardware...
Microcontrollers :: 05 Jun 2009 7:53 :: omairrk :: Replies: 8 :: Views: 423
tc35 gsm modem related question
hi, i have a question regarding the tc35 gsm modem. i managed to configure the modem in a way that it transmits the received sms messages directly to its serial port instead of storing them on the internal sim card.but after receiving ea...
Microcontrollers :: 31 May 2009 13:08 :: geev88 :: Replies: 42 :: Views: 11694
writing to and reading from program memory in ccs
sombody please bail me out: i need to write a two dimensional array of data into my pic program memory during runtime and also read from it. im using pic18f4520 and the ccs compiler....
Microcontrollers :: 21 May 2009 17:40 :: simonaze4 :: Replies: 0 :: Views: 201
pic microcontroller rs232 communication help
my project involves working on a pic16f877a and i’m having problems wrt serial communication.the microcontroller displays some temperature data on the lcd. i’m trying to get it to display the same on a pc through the rs232 line. i’m...
Embedded Systems and Real-Time OS :: 21 May 2009 7:21 :: Ave_Rapina :: Replies: 4 :: Views: 1329
schematics for icd2
is there someone who has the schemtaic for icd 2 ?...
Microcontrollers :: 08 May 2009 8:28 :: neokid :: Replies: 271 :: Views: 121263
pic to pic interfacing by rs485
hi,im trying to connect 2 pic16f876 by rs485 using sn75176 transceiver. id like to use half duplex configuration, so i control re and de pins togheter by port c5 thata is always 0(receiving). it will be set 1 before transimitting and then it returns ...
Microcontrollers :: 04 May 2009 6:18 :: mayur_bankhele :: Replies: 14 :: Views: 8460
how to decide for compiler to use with pic 18f in mplab?
hi,i wanna know how to decide for a compiler to use with pic 18f series in mplab. the microchip site shows some, but what is the criterion for choosing one over the other?many thanks,surya...
Microcontrollers :: 03 May 2009 11:13 :: movie_freak :: Replies: 6 :: Views: 498
nokia 6100 lcd with ccs c
hi all ;)i finally made my own driver for the pcf8833 controller.all i have see on the web was or incomplete or dont have work like i want.i post 3 examples here :a 3d rotating cube , a mini breakout game , and the good old pong :)change the #define ...
Microcontrollers :: 23 Apr 2009 15:20 :: acce :: Replies: 12 :: Views: 4467
reg bulk programming in ccs picc
hat example) to be replaced by array with sampled adc data. i initialized the internal adc to work, and declared an array to hold these values. now the device is not detected in usb wen i plug in the pic..(18f4550)has any1 tried this? can any1 su......
Microcontrollers :: 05 Apr 2009 18:44 :: ashrok :: Replies: 0 :: Views: 180
newbie help: dspic30f6011a(80 pin tqfp) programmer
hi everyone,im a complete newbie to pic controllers. i need to use dspic30f6011a for one of my projects which has been decided upon by careful consideration of its pros and cons.. i need a programmer schematic for this programmer.. i need an alternat...
Microcontrollers :: 01 Apr 2009 2:12 :: funnynypd :: Replies: 2 :: Views: 276
lcd interfacing with pic16f877a coding
hi to everyonei am trying to display the character in lcdi have interfaced the lcd with pic 16f877afollwing connectionlcd picpin4 (rs) rb1pin5 (rw) re1pin6(en ) ...
Professional Hardware and Electronics Design :: 23 Mar 2009 6:11 :: tamil_yes :: Replies: 2 :: Views: 750
learn c
dear all,i want to learn c. please tell me how i shoud start. presently i am doing with assembly.thanks...
Microcontrollers :: 18 Mar 2009 10:38 :: pini_1 :: Replies: 14 :: Views: 1155
pt 1000 + pic mcu + lcd interface.
i need to write a program to drive 4 solar heat collectors. the idea is to regulate switchable ( 4 positions ) water pump witch pumps water true 2 x 2 paralleled collectors to collect much heat energy as possibly. im not sure about last part ... i ...
Microcontrollers :: 10 Mar 2009 9:07 :: klystron :: Replies: 3 :: Views: 717
pic with ti tlc5940 (will give an epia ml5000 ($100 val.))
dear members,im currently trying to get the ti tlc5940 chip to work.this is a project which consist of controlling 16 leds with independent pwm applied to each so i can apply many effects without using multiplexing.this project is purely non-commerci...
Microcontrollers :: 21 Feb 2009 3:58 :: diogoc :: Replies: 4 :: Views: 3285
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 timings are slightly different than standard. none of...
Microcontrollers :: 19 Feb 2009 21:11 :: btbass :: Replies: 60 :: Views: 20338
8-bit pic mcu mail server - need advice
hi all,i am thinking to build a very simple mail server on an 8-bit pic mcu, before i start the hard work i want to know if someone did such a job before so that instead of starting from scratch i can do some development.my main idea so far is to use...
Microcontrollers :: 18 Feb 2009 2:53 :: N.Abdallaah :: Replies: 0 :: Views: 177
ADS
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sensor humidity sht11
id like to receive a circuit diagram for interface pic16f84, 16f628 or pic16f877(microcontroller) with sht11 and code ccs-pic. display can be lcd or pc [input serial/paralell port]. i need routines for reading the sht11 sensor (humidity and tempe...
Microcontrollers :: 23 Jan 2009 7:07 :: yohanimut :: Replies: 5 :: Views: 4251
pic18f97j60 and rs485
hi, im new in here, im still an undergradi was asked to desing a board for this pic with a freaking lot of stuff (zigbee module, ethernet module, uasrt module, 4x4 keypad, lcd, external data and program and stuff memories, control leds, switches, but...
Microcontrollers :: 21 Jan 2009 19:53 :: blueroomelectronics :: Replies: 4 :: Views: 822
programming pic microcontrollers
hii want to move on from basic to c. what books do you recommend for programming pic microcontrollers in c?ty...
PC Programming and Interfacing :: 04 Dec 2008 21:57 :: JoKKeR :: Replies: 15 :: Views: 1442
store string into pic eeprom help!!!
can get the particular volt out, temp measure & press measure of each sensor (for exp, volt_t1,temp_1,volt_t2,temp_2,voit_press,press)3)now my problem is how i can store all this string in eeprom in pic?should i store it in buffer first?pl......
Microcontrollers :: 29 Nov 2008 2:50 :: desertkids :: Replies: 3 :: Views: 912
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