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How to make a PIC18f programmer that can be burned from MPLAB?

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pcube

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can any one tell me how to make a 18f programmer that cn be directly burned from mplab. i ve seen such a programmer at techfest iitb.it is connected via usb and the programmer ckt is cloned on the device board itself.r they using a downloader pgm or something like that??
 

techie

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pic programmer

Universal programmers are becoming so cheap that using specialized programmers are no more desirable. I saw a Xeltek model for only $150.
 

prodigyaj

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Re: pic programmer

even i want to know how to build a programmer for PIC 18 series ...

@ above

the thing me still being a student , buying universal programmers for 150$ still becomes a hefty price for me especially for doing one or 2 odd projects on microcontrollers
 

techie

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pic programmer

Then use a chip which uses serial programming. For example the P89C51RD2 from philips can be programmed from serial port of a PC only using a handfull of components. A lot of PICs also come with serial in-application programming. I am not an expert in PICs but I have seen quite a few apps.
 

hill

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pic programmer

Go to Microchip website and look for PICKit2... it's a great programmer and the price is low!
 

potyo

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pic programmer

Look here for icd2:
It is in circuit programmer and debugger. It's price is approx. 30$, if you build it from parts.
 

pcube

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pic programmer

cn any one tell me how a bootloader for pic works.nd please suggest a bootloader prgm available for 18Fxxxx(or is it chip specific)...thnx for all the replays friends
 

nomad13

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Re: pic programmer

Bootloader can only be used if your pic is loaded with a boatloader program *****.hex. This is used by the pic to know that the data coming from the usart is a program that is to be writen in the program memory. You still need to load it to the pic using an ordinary programmer for the first time after loading you can now use bootloader to program the pic. Some offer a pre-programmed pic already loaded with a bootloader program. try to find some vendor near your place. If your interested with bootloader try this site :http://www.etc.ugal.ro/cchiculita/software/picbootloader.htm

There you can download the software and read every thing you need to know about bootloader. (diagram for the programmer is also there)

(If you find this message helpful please report this message to increase my point. Thank you)
 

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