diff --git a/README.md b/README.md index 697fab8..c9e47e4 100644 --- a/README.md +++ b/README.md @@ -24,7 +24,7 @@ After a successful build you can start transmitting by executing the "fm_transmi ``` sudo ./fm_transmitter -f 100.6 acoustic_guitar_duet.wav ``` -Where: +Notice: * -f frequency - Specifies the frequency in MHz, 100.0 by default if not passed * acoustic_guitar_duet.wav - Sample WAV file, you can use your own @@ -40,9 +40,9 @@ On Raspberry Pi 4 other built-in hardware probably interfers somehow with this s ``` make GPIO21=1 ``` -2. Change either ARM core frequency scaling governor settings to "performance" or to change ARM minimum and maximum core frequencies to one constant value (see: https://www.raspberrypi.org/forums/viewtopic.php?t=152692 ). +2. Changing either ARM core frequency scaling governor settings to "powersave" or changing ARM minimum and maximum core frequencies to one constant value (see: https://www.raspberrypi.org/forums/viewtopic.php?t=152692 ). ``` -echo "performance"| sudo tee /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor +echo "powersave"| sudo tee /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor ``` 3. Using lower FM broadcasting frequencies (below 93 MHz) when transmitting. ### Use as general audio output device