HaD feature

readme.md

@@ -2,14 +2,14 @@ pifox v113
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 pifox is a script written by KM4EFP to configure, control, and deploy a Raspberry Pi as a fox hunt transmitter.  No external radio needed use your Pi's gpio output as a radio transmitter.  pifox is based on a script by fotograf_ale from Yahoo group Raspberry_Pi_4-Ham_RADIO to control nbfm by IK1PLD.  Schematics for optional button and led were made using electronic circuit design spen.
 
-A fox hunt transmitter, typically referred to as a fox, is a radio transmitter usually playing a looped message that is hidden with the intention of being found using radio direction finding techniques and equipment.  They are typically meant for members of a club to find and contests are held to see who can be the first to find the fox.  My foxbox consists of a Raspberry Pi model B running pifox and is powered by a 6000mah usb power bank with a mausberrycircuits.com power switch and my gpio setup is laid out on an electro-resales gpio breakout pcb.  All this is fitted inside a 30 caliber ammo can by use of non conductive foam padding.  It starts transmitting automatically when the Pi is powered on and the transmit switch is flipped on.  The transmission of my call sign and fox message and current time runs through gpio 4 and a lpf before reaching the antenna and also lighting an led indicating a transmission is in progress.  No handheld is needed the Pi is the radio transmitter.  You can also use audio out on the Pi to trigger vox on a handheld radio if your not comfortable building a low pass filter.  Led and switches are also optional as well as automatic or manual transmissions and timing.  Build your fox the way that suits you.  There are many customizeable settings for pifox to fit your needs.  Please take a look at the schematics folder for pictures of my foxbox.
+A fox hunt transmitter, typically referred to as a fox, is a radio transmitter usually playing a looped message that is hidden with the intention of being found using radio direction finding techniques and equipment.  They are typically meant for members of a club to find and contests are held to see who can be the first to find the fox.  My foxbox consists of a Raspberry Pi model B with Raspbian running pifox and is powered by a 6000mah usb power bank with a mausberrycircuits.com power switch and my gpio setup is laid out on an electro-resales gpio breakout pcb.  All this is fitted inside a 30 caliber ammo can by use of non conductive foam padding.  It starts transmitting automatically when the Pi is powered on and the transmit switch is flipped on.  The transmission of my call sign and fox message and current time runs through gpio 4 and a lpf before reaching the antenna and also lighting an led indicating a transmission is in progress.  No handheld is needed the Pi is the radio transmitter.  You can also use audio out on the Pi to trigger vox on a handheld radio if your not comfortable building a low pass filter.  Led and switches are also optional as well as automatic or manual transmissions and timing.  Build your fox the way that suits you.  There are many customizeable settings for pifox to fit your needs.  Please take a look at the schematics folder for pictures of my foxbox.
 
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-Installation
+Installation on Raspbian
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-The Festival package is required for text to speech and WiringPi package is required for GPIO use.
+The Festival package is required for text to speech and WiringPi package is required for GPIO use.  Also if having problems using tilde "~" use "$HOME" instead.
 
 1. Update Pi and install git, festival, and wiringpi package
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