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Recent content by ec_nisarg

  1. E

    No idea what is on this board inside of a temp/humidity unit from store.

    As far as your concern, and upto my knowledge, there is no RF parts in this design. This circuit seems to be a cheap Chinese design, which uses... 1. COB IC (Big black round dot) - for processing. 2. A crystal oscillator (silver cylinder), to provide a clock frequency to COB IC. 3. some kind of...
  2. E

    Need cheap CSI to USB bridge (IC for USB webcam)

    Hi, Can anyone suggest me a cheap bridge IC for Camera interface? What I want is a bridge / converter that can take input of video data from a MIPI-CSI / DVP camera and convert it to USB (probably Video class) data. I have search online & just get to know that Cypress offers a solution for such...
  3. E

    How to build linux based pic embedded program

    Re: How to build linux based pic embedded If I understood properly... You can not run Linux on Pic. (even newer pic32MZ). because pic does not have MMU. linux needs lots of ram and pic doesn't have much. although. also what do you mean by linux based programs. why do you need linux on such...
  4. E

    sending APDU to ISO1443A using MFRC522

    Dear All, Happy new year.. Now Can any one help me with my issue.? i am developing an RFID reader that can read write DF and EF types of files on ISO1443-A tags. the tag that i have is SCOSTA card, and is full complient with ISO1443-A rules. what i have done upto now is sent ATQ ->>...
  5. E

    ADC value displaying to LCD as voltage

    "0.00488" seems to be a scaling factor. it might be possible that this code is for different circuit. you have to find your scaling factor. also "vout" should be float and "int_out" should be integer type.
  6. E

    [General] Connect DC motor to microcontroller

    put a low value shunt between emmiter and ground instead of directly grounding it then measure voltage using meter (or adc on micro) at emmiter shunt junction you can convert measured voltage (will be very low) into current by using ohms low
  7. E

    [moved] Steaming Audio 44.1kHz Delta Sigma DAC --> PIC

    @FvM i have set all the signals as per datasheet.
  8. E

    [moved] Steaming Audio 44.1kHz Delta Sigma DAC --> PIC

    i have similar problem .. i am using pic32mz micro controller and uda1334 DAC. (both supports i2s) i have shifted my data with 0x7fff. but output shows no change.. currently i am feeding a saw tooth wave to device.. i can see digital pins are toggling on CRO. but no output.
  9. E

    89s52 consumes more power

    i support this... 7805 is a LDO. that means it dissipates some power in heat.. the more regulation the more waste. use some switching buck regulator suitable for your application.
  10. E

    How to use If...Else statement to compare struct's

    Re: How to use If...Else statement to perform the comparison. your both typedef have same members so no need to define them twice.. rather.... typedef struct { uint8_t day, uint8_t month, uint8_t year, }_tdt; _tdt Date,AlarmDate; - - - Updated - - - there is a library function (if your...
  11. E

    [PIC] Read and write from Flash memory of PIC32mx

    you need to erase at least one page of NVM to rewrite it.. that's how flash memories work..
  12. E

    [PIC] adc and lcd using pic 18f4580

    if it is working on some boards then it might be a hardware issue... can you post your code first?
  13. E

    [General] OV2643 pll settings needed...

    Can Anybody help me with PLL of OV2643 camera? the datasheet which i found on net gives me register list but no block diagram... it is too hard to understand what settings are needed to produce particular clock.
  14. E

    [SOLVED] Receiving data to PIC controller from terminal

    char *rcvdstr; UART_Read_Text(rcvdstr, 10); or char rcvdstr[10]; UART_Read_Text(rcvdstr, 10);
  15. E

    GLCD Problem_ Inverting Pixel

    use custom font memory of glcd and make fonts as you want (i.e. inverted)
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