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Recent content by amico

  1. A

    MPLAB data receive cmd ???

    can someone please tell me which commad in MPLAB HIGH tech c complier receives data form the com port. scanf is not working !! printf is working ok and i am getting messes on my terminal screen. i am using microchip PIC16F877 thanks, amico
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    can some please verify if my i/o VB code is ok?

    hello all I wrote a gui in visual basic that sends the word 'temp' to my micro by the press of a button. in addition i wrote a procedure that reads ASCII values from the micro and place them in the text box. can some please verify if my VB code is ok? the code: Dim CommInput As string...
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    GUI for smarthome project

    ye but how?? can someone please provide the VB code in order send a word by pressing the gui button to the pic and to receive the data from the pic on the gui textbox.
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    GUI for smarthome project

    i am using C language. and the hardware is working since i manged to send to a terminal program temp reading. now i want to build a gui using VB 8 that in press of a button i will get a temp reading also in the gui
  5. A

    GUI for smarthome project

    Hello all i am building a smart home project using a microchip pic16f877 and digital sensors with RS232 user interface, thus, I want to create a gui using visual basic 2008 can someone please tell me how to connect a command in the gui (lets say pressing a button to get temp measurement)...
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    TI PCA9306DCTR pin configuration

    Hello all I just got my TI PCA9306DCTR component, and cant seem to figure out where is leg no.1 ???? attached component "pic" with real marking as i see them on the component. and data sheets. please help ! thanks.
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    how to interface a PIR sensor to a micro

    Hello all can someone please explain to me how to interface a PIR sensor to my PIC16F877 (microchip) i was told that i need to use an optocopuler in order to interface it to the micro. what is an optocopuler ? how it is related to the PIR sensor working mechanisem ? Thanks, amico
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    interfacing 3.3v to 5v using TI PCA9306 level translator??

    Re: interfacing 3.3v to 5v using TI PCA9306 level translator attached more updated JPG. the resistors values were chosen according to PICDEMO2 PLUS schematics (attached page 15 ) which use 4.7k resistors as pull up between the PIC16F877 and the temp sensor TC74. ive taken the typical...
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    interfacing 3.3v to 5v using TI PCA9306 level translator??

    Re: interfacing 3.3v to 5v using TI PCA9306 level translator please see attached file is this the right way to connect the devices?? amico
  10. A

    using mosfet as a relay?

    Hello all i want to control(on/off) a motor of 220mA with my micro. can some please suggest which mosfet (that will be used as a "relay") i need ? thanks amico
  11. A

    interfacing 3.3v to 5v using TI PCA9306 level translator??

    Hello all can i use TI PCA9306 level translator in order to interface NOA1302 3.3v light sensor with my microchip 5V PIC16F877 ?? attached relevent data sheets. thanks, amico
  12. A

    c code example for temp sensor TMP100

    someone?
  13. A

    c code example for temp sensor TMP100

    hello all can some please provide a c code example to temp sensor TMP100? the sensor is interfaced throw i2c to PIC16F877. Thanks, Amico
  14. A

    i2c pull up resistors value

    Hello all can someone please tell me what pull up resistor and voltage (V==?) should i use in the attached application? Thanks, amico
  15. A

    interfacing i2c 3.3v device with a PIC of 5v

    Thanks for the answer. can I trust the NXP PCA9512 level shifter to do the job? does anyone have any experience with this component or can recommend another level shifter for my application? Thanks.
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