diff --git a/README.md b/README.md index c9e47e4..3f5cf02 100644 --- a/README.md +++ b/README.md @@ -1,5 +1,5 @@ # FM Transmitter -Use the Raspberry Pi as an FM transmitter. Works on every Raspberry Pi board. +Use the Raspberry Pi as an FM transmitter. Works on Raspberry Pi board up to 4 (RPi 5 uses different peripherial chip). Just get an FM receiver, connect a 20 - 40 cm plain wire to the Raspberry Pi's GPIO4 (PIN 7 on GPIO header) to act as an antenna, and you are ready for broadcasting. @@ -33,7 +33,7 @@ Other options: * -b bandwidth - Specifies the bandwidth in kHz, 100 by default * -r - Loops the playback -After transmission has begun, simply tune an FM receiver to chosen frequency, you should hear the playback. +After transmission has begun, simply tune an FM receiver to the chosen frequency, and you should hear the playback. ### Raspberry Pi 4 On Raspberry Pi 4 other built-in hardware probably interfers somehow with this software making transmitting not possible on all standard FM broadcasting frequencies. In this case it is recommended to: 1. Compile executable with option to use GPIO21 instead of GPIO4 (PIN 40 on GPIO header):