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Type: Posts; User: Qasim Khokhar

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  1. Closed: How to send and receive data using 1sheeld and arduino??

    I am trying to send data to my arduino uno using Android phone, for interfacing i am using 1sheeld bluetooth.

    i am using blueterm app for development on my android phone, when i press any key...
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    Closed: Re: How can i count RPM ?

    Ohhh yapp :roll: rotation of bicycle wheel
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    Closed: Re: How can i count RPM ?

    RPM of any object which rotate, e.g tire of bike
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    Closed: Re: How can i count RPM ?

    i want to make it with 8051 so kindly guide me ...
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    Closed: How to count rpm?

    is there any module for this purpose kindly help me i am not an electrical engineer.

    Thanku
  6. Closed: Re: How to Convert 8051 code into Demo code ?

    means if i give code to any other then he would not be able to burn it in micro controller.
  7. Closed: How to Convert 8051 code into Demo code ?

    i have to give an assembly code to my fellow. i want to convert my code into demo. so that he would not be able to burn my code into 8051 micro controller.....

    Is there any trick ?
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    Closed: Interface Xbee with 8051(at89c/s51)

    How to interface xbee series 1 module with 8051, is there any need of max232/3232,please explain step by step , because i am not an Electrical Engineer .
    i am very confuse about this task so explain...
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    Closed: Re: How To Make Beam Break Detector

    can you please describe it in more details , what should i do to avoid blinking of LED i just need steady "on or off"
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    Closed: How To Make Beam Break Detector

    hi, i want to make an ir beam break detector. which detect any object between ir source and detector and give 5 volt output. i want to place my source at 10 feet away from detector please help me to...
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    Closed: Directory Submitter Tool

    i want to develop auto back link directory submitter for seo any one have idea please guide me .
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    Closed: Re: how to make IR beam breaker ?

    would you please explain circuit give in following link

    http://www.electroschematics.com/6005/ir-beam-breaker/
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    Closed: how to make IR beam breaker ?

    i want to build an ir beam breaker circuit.Can any one help me ? i want to turn on Led if IR puls exist and turn Led of if IR plus is absent .
  14. [SOLVED]Closed: Re: TSOP1738 and 8051 Interfacing For NEC Remote

    hi i want to make parking slot detector using IR there will be transmitter and receiver but no data transfer required i just want to on LED when slot is occupied and if slot is empty turn of LED...
  15. Closed: Re: Can any one help me about infra-red signal detection?

    yapp veryy close just invisible IR rays i consider ... and minimum distance about 10 ft
  16. Closed: Re: Can any one help me about infra-red signal detection?

    any signal of 36, 38 or 40 KHz frequency or Irfrared LED light signal i mean to say any infrared how ever its is TV remort signal or Infrared rays emitted by LED i just want to detect presence of...
  17. Closed: Re: Can any one help me about infra-red signal detection?

    would you please elaborate what you are saying ... with the help of any picture or circuit diagram
  18. Closed: 8051 C Code for Serial Communication problem ?

    if i never set TI=1 then this code not work in proteus. and if i set TI=1 than 8051 transmit parallel to receiving


    #include <reg51.h>
    #include <stdio.h>
    #include <lcd.h>


    sbit RS = P2^1;...
  19. Closed: Can any one help me about infra-red signal detection?

    I want to set 8051 pins using infra-red sensor. my only objective is to detect and decide that any Infra-red signal exist or not. i do not want to read infra-red signal.
  20. Closed: Re: how to write Driver For Zigbee and 8051 ?

    XBee 1mW Wire Antenna - Series 1

    http://roboticspk.com/robotics-store/wireless/xbee-1mw-wire-antenna-series-1
  21. Closed: Re: how to write Driver For Zigbee and 8051 ?

    you are right ! actually i want to write an driver so that PC can recognise these devices :
  22. Closed: how to write Driver For Zigbee and 8051 ?

    can any one tell me how to write driver for micro-controllers and devices ? i want to write driver for 8051 and zigbee to connect with PC !
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    Closed: Re: What is Purpose of ADC8080 ?

    thanks for your reply kindly tell if i introduce diode between (TXD 8051) and (RXD zigbee) would it work properly????
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    Closed: What is Purpose of ADC8080 ?

    what is purpose of ADC8080 and is it compulsory for interfacing zigbee and 8051 ?

    i want to interface 8051 with zigbee please tell me every component that i need :
  25. Closed: Re: can we interface 8051 and zigbee directly ?

    thanks for reply :
    i have an confusion kindly tell me
    RX and TX both will connect via MAX-232 or only TX of 8051 will passes through MAX-232 and RX of 8051 will connect directly




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