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ATtiny85 RDA5807 TinyFMradio: Your Portable FM Radio with RDS
BY
Toni
FM Radio with RDS, Audio Amplifier, Rotary Encoder and OLED Displa. TinyFMRadio is an ATtiny45/85 controlled FM radio with RDS ...
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SI4735 SI4732 all band radio receiver LW MW FM SW
BY
Toni
Circuit Arduino + SI4735 or SI4732 all band radio receiver LW, MW, FM, SW and SSB. All-band radio receiver project, ...
Hi Adam, You can connect a 12 or 18V DC source in the power connector, do not worry about polarity.