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Recent content by Rohith_elec

  1. R

    [SOLVED] Max488 schematic from rs232

    They are all half duplex ones, needs full duplex ones - - - Updated - - - yes, finally got it
  2. R

    [SOLVED] Max488 schematic from rs232

    Sorry for confusing, MY project is actually a good full duplex RS485 module, which can be interfaced from USB At first I thought of designing from usb to rs232 and then to rs485 By valuable inputs from here, I learned different things will learn more and get back to this thread again....
  3. R

    [SOLVED] Max488 schematic from rs232

    I just require a full duplex RS485 interfaced from USB, so I thought to convert to RS232 and then RS485....
  4. R

    [SOLVED] Max488 schematic from rs232

    Ok, so thanks for the replies, so need a max485 and max488 chip in the board
  5. R

    [SOLVED] Max488 schematic from rs232

    Where can I get the schematic for Max488 from RS232?
  6. R

    Automatic laptop charger

    There are some chargers which provides all voltages, i am looking for schematic of such a charger
  7. R

    Automatic laptop charger

    Anyone having the schematic for an automatic/universal notebook charger ?
  8. R

    PC PCI interfacing with uC

    By PCI interface chipset , you mean the chipset already on the board ?
  9. R

    PC PCI interfacing with uC

    I would like to interface a PIC microcontroller with the PCI interface of PC. what should be the starting place for it ?
  10. R

    16f877a uart mikroc proteus help

    Here is my schematic
  11. R

    16f877a uart mikroc proteus help

    i am connecting the PIC pins to this L293D breakout board
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    16f877a uart mikroc proteus help

    Here is my new code char receive ; void main(){ CMCON |= 7; // turn off comparator TRISA = 0x04; // RA2 is analogue input ADCON1 = 0x80; TRISD = 0; // PORTD = 0x00; UART1_Init(9600)...
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    16f877a uart mikroc proteus help

    I want to use this inside a rover robot , just turn the motor using uart. The uart connection restarts when the robot is moved forward and suddenly take backwards, is this because the voltage variation caused when the motor is toggled suddenly ?
  14. R

    16f877a uart mikroc proteus help

    my code for uart like below not working as expected in proteus char receive ; void main() { CMCON |= 7; TRISA = 0x04; // RA2 is analogue input ADCON1 = 0x80; TRISD =0; // PORTD=0x00; while (1) {...
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    2N3055 as stepper driver

    Nandu ji , a bit late before I see your post, I bought P55NF06 This mosfet can be directly connected to PIC micro through resistor, isnt it ?
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