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Recent content by sagar474

  1. sagar474

    problem using Step down transformer as step up

    I'm working on a inverter project. I like to use a step down transformer as step up 12 volts ac to 230 volts dc I flipped primary and secondary of the 12 0 12 transformer. but getting out put only around 20 volts.
  2. sagar474

    There must me a computer with internet connection for every child

    Why you think about Windows ? There must be Linux. The computer must be like TV video game (NSE video game) with out monitor. but with PAL out put, Sorry to not mentioning specifications. Operating system: Linux. Video output: PAL , HDMI: Optional Audio output: optional Built-in keyboard...
  3. sagar474

    There must me a computer with internet connection for every child

    There must me a computer with internet connection for every child in India . not only India but children in other countries That should cost bellow Rs 2,000. do you think it is possible to build one ?
  4. sagar474

    How kernel know how memory and I/O are mapped?

    How Operating system kernel know how and where physical memory and I/O devices like VGA PCI and USB host interface are connected to cpu ? How a kernel developer knows everything that ? There will be different kernels for different mother boards ? How the discipline is followed.
  5. sagar474

    I Want to use ARM for a commercial product.

    I Want to use ARM for a commercial product. Do I need license ?
  6. sagar474

    How is this explanation video ?

    I need your valuable comments. Can I make more videos ?
  7. sagar474

    Problem building simple Linux kernel module.

    I'm trying to build my first Linux kernel module. I'm running ubuntu 12.10 /* Module source file 'crash1.c'. */ #include <linux/module.h> #include <linux/init.h> #include <linux/kernel.h> static int hi(void) { printk(KERN_INFO "crash1 module being loaded.\n"); return 0; } static...
  8. sagar474

    My strange experience of electric shock.This issue remains a mystery.

    a few minutes ago while I'm soldering a board I's shocked me. that voltage may be from the tip of the soldering gun. and after that when I'm connecting the board to PC serial port again it shocked me. In these two cases the shock is not little. It is very potential shock. Immediately i...
  9. sagar474

    Transmiting 8 channal adc's data through 8051 uart

    f3 f3 a3 c4 dc 33 24 12 f3 f3 a3 c4 dc 33 24 12 f3 f3 a3 c4 dc 33 24 12 f3 f3 a3 c4 dc 33 24 12 f3 f3 a3 c4 dc 33 24 12 f3 f3 a3 c4 dc 33 24 12 f3 f3 a3 c4 dc 33 24 12 f3 f3 a3 c4 dc 33 24 12 f3 f3 a3 c4 dc 33 24 12 f3 f3 a3 c4 dc 33 24 12 f3 f3 a3 c4 dc 33 24 12 f3 f3 a3 c4 dc 33 24 12 f3 f3...
  10. sagar474

    Transmiting 8 channal adc's data through 8051 uart

    i sent 8 byte data sequence. but I stuck at separating them for each corresponding sensor sensor data correctly with out getting wring sensor out put. example for temperature sensor reading I shouldn't get a voltage sensor reading.
  11. sagar474

    Transmiting 8 channal adc's data through 8051 uart

    8 bit adc (0808) ------->8051---->computer dont you know 8051 has on chip hardware uart ?
  12. sagar474

    Transmiting 8 channal adc's data through 8051 uart

    8 sets of uart ? I think you haven't understand my question. I use only one uart mu adc is 0808 multiplex adc. and PC 8 sensors data on pc and separate them for each corresponding sensor.
  13. sagar474

    Transmiting 8 channal adc's data through 8051 uart

    Mr Tahmid I'm asking how to transmit 8 channel data. I have already successes in transmitting single channel data.
  14. sagar474

    Transmiting 8 channal adc's data through 8051 uart

    string terminates with null '\0' char if i grounded the adc input it takes it as null char.
  15. sagar474

    Transmiting 8 channal adc's data through 8051 uart

    I have 8 channel multiplexed 8 bit ADC. connected to 8051. I need to transfer 8 channel data through UART. what is the best way to do that ?

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