RDA5807 2 Channel FM Radio Module FM Receiver Board 76.0MHz-108.0MHz

Instructions: 1. Short press the F+ button to search for the station upwards. After searching the station, it will stop and play the station. Press and hold the F+ button and the receiving frequency is incremented by 0.1MHz.
2. Short press the F- button to search for the radio downwards. After searching the station, it will stop and play the station. Press and hold the F- button and the receiving frequency is decremented by 0.1MHz.
3. Short press the V+ button, the volume will increase by one level, and the maximum volume position is 8. Press and hold the V+ button to restore the factory default parameters, frequency 99MHz, volume level 6 .
4. Short press the V- button to decrease the volume by one level, the minimum level is 0 (mute). Press and hold the V- button to turn it off.
5. After shut down, press any key to turn it on.

6. Without the button operation, the backlight will go out after 30 seconds, the peripheral circuits will go to sleep.
7. After the light is off, press any key to wake up the relevant circuit, the light and the screen resume display. This time the button is non-functional, only the wake-up function, after the light is on, each button has the corresponding function.
8. The headphone jack is an audio output, and the headphone cable is also used as an antenna, standard 3.5mm size, can directly drive the common 32 ohm earplugs.
Notice:
1. The positive and negative poles cannot be reversed.
2. The headphone jack is a 3.5mm standard two-channel stereo interface, 3-sections, plug-in type
Power Supply: DC 3V-12V
Working Current: 24mA
Shutdown Current: 30uA
Receiving Frequency Range: 76.0MHz~108.0MHz
Sensitivity: 1.3uV
Volume: 9 levels, level 0 muted, level 8 maximum sound
Output: Directly drive universal earbuds.
Board Size: 45mm x 16mm (L x W)
Frequency and volume have power-off memory function.
In the off state, press any key to turn it on, long press V- button to shut down.
Style: Portable
Type: FM
color:As shown
Material:PC+Metal

Package Contents:
1 x FM Receiver Board

Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.

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