ATtiny85 controlled FM radio with RDS (RDA5807) and integrated audio amplifier (XPT8871). You can directly connect a protected li-ion battery, a 3 W / 4 Ohm speaker and an FM antenna.
Project Files (EasyEDA): easyeda.com/wagiminator/attin...
Project Files (Github): github.com/wagiminator/ATtiny...
TinyPocketRadio (Github): github.com/wagiminator/ATtiny...
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19 окт 2020