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Recent content by radio freak

  1. R

    LM1871,72 Rf transmitter receiver ICs

    building a radio receiver from ics ill forward the code to u and I use the modified version of jdm programmer to burn the code into the pic chip.
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    LM1871,72 Rf transmitter receiver ICs

    lm1871 datasheet For some reason the web page has been updated and the link to the code is no longer there. However I will send u a copy of the code just provide me with your e-mail.
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    LM1871,72 Rf transmitter receiver ICs

    rf encoder copy code Hi, I built the lc meter from this link, its very cheap and acurate https://www.electronics-diy.com/lc_meter.php About the coils, I use 7mm formers from old coils taken from scrap electronics and some magnet wire from old...
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    LM1871,72 Rf transmitter receiver ICs

    transmitter and receiver ic[s] Hey! first of all thoes IC's are now obsolete. They are basically encoder-decoder chips. you can have a look at ace r/c transmiter and receiver schematics as the have designs for simpler encoders and decoders. About the coils, what frequency are u looking at? you...
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    Building a MP3 player using STA015 for decoding

    Hello, I would like to build my own MP3 player, I found various designs for players on the internet but all of them use VLSI chips for decoding. Has anyone built a player using STA015 for decoding. Please share your design.
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    Schematic and complied .HEX file for blinking a LED using PIC12F675

    Hello, Can someone post a schematic and complied .HEX file for blinking a led using PIC12F675. I dont want to use an external crystal in the circuit and use the internal clock of the pic.The basic idea is to just test the device!
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    subwoofer excursion control circuit

    low pass filter for subwoofer circuit sorry my mistake just got a littel confused! A low pass filter will filter out the low frequencies which is ideal for tweeters and not sub-woofers.
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    27MHz Radio Control System, my very first one...

    Can somebody help me by giving me some details of the part 113CN2K509ADZ as it is now obsolete. are there any coilcraft equivalents?? From the schematic of the encoder i cannot understand the wiring of the pots (VR1-VR4) since only two terminals are shown.
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    subwoofer excursion control circuit

    subwoofer circuit you could use this low pass filter circuit https://www.electronics-lab.com/projects/audio/008/index.html
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