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Recent content by Micro_brain

  1. M

    PIC16F1503 ADC refrence

    Thanks Mr: paulfjujo . At last I understood The Fixed Voltage Reference is not use for PIC16F1503. the Datasheet says: 15.1.3 ADC VOLTAGE REFERENCE The ADPREF bits of the ADCON1 register provides control of the positive voltage reference. The positive voltage reference can be: • VREF+ pin •...
  2. M

    PIC16F1503 ADC refrence

    YES " the DAC output to the required ADC Vref and tie DAC output directly to Vref+ pin." THIS TYPE LOSE 2 I/O PINS
  3. M

    PIC16F1503 ADC refrence

    thanks for your replay. OK but I have to use all I/O pinss
  4. M

    PIC16F1503 ADC refrence

    Hi Friends My Processor is PIC16F1503, it Has Analog-to-Digital Converter Fixed Voltage Reference(1.024V,2.048V and 4.096V output levels) Digital-to-Analog Converter (DAC), My question is that, is it possible output of Fixed Voltage Reference or Digital-to-Analog Converter use the...
  5. M

    measure mains voltage on single cycle

    Dear Friends how can we measure mains voltage on single cycle(20ms) Micro_brain
  6. M

    True RMS-to-DC Convertion

    Dear Friends AD536A is a "True RMS-to-DC Converter" but it is costly any other idea for "True RMS-to-DC Converstion" Thanks Micro_brain
  7. M

    AC Voltmeter what is helper IC

    Thanks dselec I want a bulb 1% to 100% constant brightness (actually it is heating filament, I can't use such as NTC, PTC, LM35 , etc..) by pressing UP and down switch and display two 7segment............ it is working OK. a feedback voltage need to it for PWM, no suitable average voltage or...
  8. M

    AC Voltmeter what is helper IC

    hai dselec I want to measure output of a Dimmer(wide angle trigger Triac) I want to make a bulb 50% blow constant bright(no effect voltage fluctuation) the triac controlling a micricontroller it want a feedback for PWM what about MX536? Thanks
  9. M

    AC Voltmeter what is helper IC

    Thanks Dselec no suitable average voltage or peak because of my input wave not pure sinewave Thanks Micro_brain
  10. M

    AC Voltmeter what is helper IC

    Dear Friends I want to make a AC VOLTMETER Which IC will be better to use with microcontroller the wave to Measure is not pure sine wave (like Triac output) Thanks Micro_brain
  11. M

    Constent current power suply

    constent Dear Frinds Please give some P Chenel MOSFET number like IRF48,3205 (these are N chennel) Micro_brain
  12. M

    Constent current power suply

    irf9530,power supply Dear all I need a current limited power supply 12V 8amp from 12v 80ah battery(High side drive) already I maid one with 16f676 anf IRF48.(PWM Controlled) it`s working ok . but it was (low side drive) now I want positve side controlled one(Commen negative). can anyone help...
  13. M

    Does any microcontroller work with 12V DC?

    Dear frinds is any Microcontroller working with 12V DC ?. Micro_brain
  14. M

    PIC16F676 - what is the Power-on Reset ?

    Re: Power-on Reset Thanks frinds your replays if so, what type relationship between WEAK PULL-UP,Power-on Reset ,power up timr and Tris. I wrote in mycode port_a_pullups(0b000001); // pull_up only PORTA bit 0 SET_TRIS_A(0b001111); // PORTA bit 4 and bit 5 as output at startup. but...
  15. M

    PIC16F676 - what is the Power-on Reset ?

    Power-on Reset Dear Electronics Frindes Please tell me what is the Power-on Reset ? I am useing PIC16F676 micr_brain
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