This is a SI4703 FM Tuner Library for AVR(ATmega128A)
https://blog.naver.com/eziya76/221297629619
Reference : https://github.com/mathertel/Radio
Si4703 breakout : https://www.sparkfun.com/products/11083
Evaluation board : BK-128AVR (ATmega128A)
Logic level shifter : https://www.adafruit.com/product/757
Amplifier + Speaker : https://www.dfrobot.com/product-1401.html
[ My experiences ]
- Logic level shifter is mandatory as Si4703 I2C level is 3.3V
- Set SEN pin as HIGH when communication is initialized for I2C.
- Amplifier + Speaker is needed for LOUT or ROUT
