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Recent content by reza05

  1. R

    infineon and st10 series bootloader

    Hello, Does anyone know, how to program ST10 and Infineon microcontrollers with bootloader? is there any documents for them? actually i want to make a jtag programmer for some ECUs. thanks.
  2. R

    SD card socket library for altium

    hello, does anyone have sdcard socket library for altium? thanks.
  3. R

    connect photolaser to usart

    Hello, I want to send and receive data from usart by simple photolaser. Can anyone help me,how to connect photolaser to RX and TX port? My photolaser is 5mw.
  4. R

    2m,4m & 6m ferrite bead difference

    Hello, What is 2m,4m and 6m ferrite bead difference? Thanks.
  5. R

    how to remove text designator in pcb in altium

    hello, when I add new footprint to my pcb page, it has text designator with itself, and rotated 180 degree. what can I do? do we have "reset to default setting" option in altium?
  6. R

    question about printf

    thanks, pointer is a character,like '3' and enter must be at end of the string like "hello3\r" I want to have no space between commands. is this true? printf("hello%c\r",pointer[10]); - - - Updated - - - I have tested above code and work.
  7. R

    question about printf

    hello, how can I use control+z in printf? is this true? printf("%c",26); and,can I use these three consecutive commands in one printf command? printf("hello"); printf("pointer[10]); printf("\r"); \\enter thanks.
  8. R

    how to convert LDR output to lumen

    I want to send them to server and display the sunlight intensity,and,it is better to have a unit.
  9. R

    how to convert LDR output to lumen

    I thank both of you, I want to measure sunlight intensity in desert for solar panels is this sensor suitable(that have i2c output) https://www.instructables.com/id/BH1750-Digital-Light-Sensor/
  10. R

    how to convert LDR output to lumen

    hello, how I can convert LDR sensor output to lumen unit or other standard unit?
  11. R

    mcu high price !!!

    Hello, Please search what is difference between cpu and microcontroller. Cpu is just a part of microcontroller.thus,microcontroller is more expensive.
  12. R

    [ARM] is it reasonable to learn arm assembly

    Exactly yes
  13. R

    [ARM] is it reasonable to learn arm assembly

    Thanks all, I decided to start with IAR but my problem is registers. I have read some datasheet,but they are general,for example for cortex m3. I want to know all stm32f103ret6 registers and other document just about this microcontroller Could you please introduce me related datasheet
  14. R

    [ARM] is it reasonable to learn arm assembly

    Hello, I writing avr and pic codes by assembly. Todays I trying to learn arm with assembly language Is it reasonable to learn arm by assembly? I don't know what source I need to start. Please recommend me a good source to learning how to write code in stm32 cortex-m3 by assembly. Thanks
  15. R

    atmega128 avr micro controllers assembly

    Re: ATMEGA128 RET insturction Hello, 1-probably two cycle need to fetch return address from stack(in sram) and two cycle to write it into program counter 2-the default values of all program data(including 32 register,i/o register & sram) is zero.well,ddr is i/o register with default value zero...
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