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Recent content by tejashs

  1. T

    learning arm cortex m3

    any other sources?
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    learning arm cortex m3

    @ud23: the thing is i have already got a board with just UART0 a 16x2 LCD and programming through flash magic would mbed still be handy. @bigdogguru: ill try to get a copy of The Definitive Guide to the ARM Cortex-M3 from a library... the cost is almost prohibitive I get it...
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    problem with 16f877a UART.

    what about those functions UART1_Read() etc are they from a library or you have written them if you wrote that put them also
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    learning arm cortex m3

    does anyone know about any step by step tutorial or some links for cortex M3 i want to use lpc1768 with gnu arm and coocox. i am finding it too confusing to follow the user manual. if some one gets any resources or tutorials please post it here. edit: i am learning cortex m3 directly, should...
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    Infrared Receiver With Schmitt Trigger PIC18F452

    we'll have to seethe code thats the problem with development boards... may be you can solder a wire out directly from the pin
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    problem with 16f877a UART.

    show the receiving part of code
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    Problem with LCD in the digital thermometer project.

    i guess this should be your problem also first try to check if your board is really working or not by programming a simple small program that blinks an led
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    Help me solve some LPC1768 UART programming problems

    hello guys, i have started to learn ARM cortex m3 lpc1768 processor. I am able to toggle bits, change CPU click frequency . now i am stuck with UART programming, its not working i tried to follow the UM and also the sample programs given here is my code, can someone have a look at it void...
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    Code blocks IDE for embeded C

    you'll need to install SDCC to work with 8051's through code blocks. although it prodeces slightly larger code its good enough for learning.
  10. T

    What new to learn on embedded system

    PIC, ARM and what not...
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    [SOLVED] automatic light on off using an ldr and pic

    i followed steveelliott's suggestion and it's working. thanks very much also i experimented with some success using different threshold for on and off conditions also suggested by steveelliott.
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    triac triggering circuit problem

    I dont think PWM is suitable for this purpose, you should try PPM along with zero crossing input. if you must use PWM, your PWM time period must be atleast 5 to 10 times your supply period though it suspect it may cause flickering.
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    problem with rs485 transmission

    hello, i am trying to interface an RS485 chip to my 8051 controller, this is the tesing circuit i have made i have problem communicating between 8051 and pc through this is my schematic J1 and J2 jumpers are connected only when programming the cable length between max 485s is mot even 10cm...
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    communication between 2 microcontrollers using uart

    Kurenai_ryu i do not understand what you mean by this and is it possible to make something like this using rs232???
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    communication between 2 microcontrollers using uart

    ok i got it that 12meters is maximum distance can i make a serial bus from 1 8051 and have a couple of drop to other 8051's(one 8051 feeding a couple of 8051s)? do i need a max232 at all for connecting between 28051's for short distances of a feet or so? and is it suffucient if i use max232 or...
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