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Recent content by kokwah520

  1. K

    build a simple circuit to save the video recording of a camera in a memory card

    Do you have any schematic that show how to control the camera on off with the sensor?
  2. K

    build a simple circuit to save the video recording of a camera in a memory card

    wow, thanks for your information, is really very useful... i know nowadays got a lot camera with build in memory, but have a problem to trigger it on when the door is open and off when the door is closed, got no idea how to control this, do you know how i can do it? really appreciate your help...
  3. K

    build a simple circuit to save the video recording of a camera in a memory card

    I would like to design a smart security save box, i just simply explain the function, while the user key in the descending order of his/her desired password, the circuit will turn on a camera to start recording when the save box door open and save in a memory card... By now i got no idea how to...
  4. K

    C programming to program PIC16F877a

    #include <pic.h> #use delay (clock = 20000000) #define L293D_A RB0 #define L293D_B RB1 #define L293D_C RB2 #define L293D_D RB3 #define L293D_E RB4 #define L293D_F RB5 __CONFIG(0x3f3a); void rotate_L1(void); void rotate_R1(void); void rotate_L2(void); void rotate_R2(void); void breaksA(void)...
  5. K

    solar tracker with LDR and PIC16F877A

    kak111:may i know what is the purpose of set up window, pull up resistor and R5 & R7? i need to explain in my thesis.....
  6. K

    solar tracker with LDR and PIC16F877A

    my project will only be experimented in a room instead of under the sky... i will be using torch light..my project is not as complex as u think basically, my project is like: start from comparing the LDR(which is my biggest problem at the moment on how to compare them,x1 compare with x2, y1...
  7. K

    solar tracker with LDR and PIC16F877A

    thanks for the help... to ckshivaram: i not understand what are u trying to say but what i need is compare 4 LDR together which is left with right, up with down... not triggering 1 by 1 is light spot on 4 LRD together and need to move towards to the high light intensity side... to kak: my...
  8. K

    solar tracker with LDR and PIC16F877A

    i would like to design a solar tracker control by PIC 16F877A, the input is 4 LDR for left, right, up and down, output is the servo motor... the design basically is when the light is spot on 4 LDR, sure have different intensity of the light, then the motor need to move to the high light...

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