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Recent content by al37

  1. A

    Microchip for Speech Recognition System

    microchip speech Hello, I think you can use: - Audio PICtail Plus Daughter Board (see: http://search.microchip.com/search?access=p&client=MicrochipWebsites&proxystylesheet=MicrochipWebsites&output=xml_no_dtd&site=MicrochipWebsites&q=70297a&ip=64.215.162.39&filter=p) - AN687 **broken link...
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    Vref+ in ADC for 16F877A

    adc 16f877a Hello, Can you send me the algorithm and schematic please. In my memory (I think), the ADRESH and ADRESL register are on 16 bits and you must extract 10 bits. ADCON0 and ADCON1 managing the ADC and the inputs. What are Vref+ and Vref- in volt? What's happen for ADIF and GO...
  3. A

    Simple programmer for PIC16C55?

    jdm pic 16c55 Hello, and this for 16c54 16c55. You must use Ic-prog and config TAIT Parallel Programmer on you LTP port. al
  4. A

    Li-Ion batteries charger circuit?

    atmega406 circuit Hello, https://www.ni-cd.net/accusphp/chargeur/realisation/liion.php Use systran for traduction. See the LM3420 document for analog circuit. See this link: **broken link removed** "Battery Management" You have your choice. Al
  5. A

    automatic telephone dialer when triggered

    Hello, If you want use uC. Why don't you see in the web site from microchip the AN257.pdf document (for decoding with information for coding technology) and see this link https://ww1.microchip.com/downloads/en/AppNotes/00543c.pdf Be carefull, must use the AN543 as help not for futur project...
  6. A

    About wireless mouse test system

    Hello, I give you some link about Freescale semi: **broken link removed** **broken link removed** Have a nice day. Al
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    nonlinear SPICE models

    Hello, What kind of program want use it: Ltspice, Tina, Microcap, Orcad Spice...? Al
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    Info on ps-ltp180sf , trmrlndg103jbn , ip405bc-b75c

    find data on ... Hello, Give me a time to find (I hope) a complete document. Al
  9. A

    Simple programmer for PIC16C55?

    programmer pic16c55 It 's a fake, cancel all. It is a serial programer, not a // I found that= http://massmind.org/techref/microchip/devprogs.htm http://www.stquentin.net/logiciel_pic02.php?PHPSESSID=5405403d60a7bf663dbba21635a2e358 Why don't you use the picstart plus for programmer tool...
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    Simple programmer for PIC16C55?

    programme pic16c55 Hello, I don't tested this circuit. And with this one, It will be ok, no? But the language is FRENCH. Why don't use systran for the tradustion. Have a nice days
  11. A

    Why pin3(non invert) of FET OPAMPs(AD549) has voltage?

    Hello, I can says if I help you, can you add a copy (jpeg, img of the circuit) on this web site for have an idea. Al
  12. A

    Info on ps-ltp180sf , trmrlndg103jbn , ip405bc-b75c

    find data on ... hello, To help me for your seek, can you tell me what is those components. Transistor, IC, diode... Al Added after 2 minutes: https://www.mouser.com/search/refine.aspx?Ntt=650-LTP180 **broken link removed**
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    Tektronix scope (2445) user manual.

    the second file.
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    Tektronix scope (2445) user manual.

    Hello, Is it a funny story? If no, it is your lucky day. I just have this document and the service manual for repair it. Have a nice day. Al
  15. A

    PICs and the ICD2 connection problems with RS232

    Re: PICs and the ICD2 Hello, I see your problem, but I can't answer you. Mea culpa.
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