998 B
998 B
ray-ponder
Descritption
Ray-Ponder is a system based on a RPI4 that record some audio messages on an old modified public phone after having welcome people with a message. Audio playback and recording is done on I2S hardware. To keep acces to the system, the RPI4 is set in AP mode.
Inspiration and ressources
- RPI pinout
- Max98357 I2S amplifier tutorial
- I2S mems microphone tutorial Adafuit
- Tutorial INMP441 microphone tutorial
- Pyaudio tutorial
- Pyaudio documentation