RDA5807 FM 87-108MHz Radio Receiver LCD1602 DIY Kit
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2>.Press right button to turn ON/OFF spectrum indicator.
3>.Press S+ or S- to adjust volume.
4>.Press P+ or P- to adjust receive frequency and FM station.
5.Components List:
R1-R5,R7,R8,R11,R14,R15,R18
C3,C5,C6,C7,C8,C11,C14,C15,C16
S1,S2,S3,S5 or S+/S-/P+/P-