Stereo Wireless Broadcast Radio Module 76-108MHz VHF FM Receiver for Earphone Headset Speaker
Packing list:
1PCS FM Stereo Radio Receiver Module
Product parameters:
1. Shutdown current: ~90uA
2. Working current: ~23.5mA
3. Power supply support: DC 3.7V~18V
4. The module has the function of input anti-reverse connection
5. Receiving frequency range: 76MHz~108MHz
6. Volume: There are 9 levels to choose from, 0 for mute, 8 for maximum volume
7. Audio output: 3.5mm headphone jack, which can directly drive headphones
8. Button: 4.5mm tact switch, support long press and short press
9. Functions: ①: Power on automatically; ②: Low power consumption mode; ③: Shut down mode; ④: Normal working mode; ⑤: Power-off memory function
10. Weight: 4g
11. L*W*H*48*16*0.8mm
How to use:
1 Insert the 3.5MM interface headset
2 Connect to DC 3.7-18V power supply
3 Click F+ to search for radio stations
4 If no radio station is found, click F-search channel again
5 If you still can't find a radio station, go outside and search
Notice:
1 After 30 seconds, the LED light will be off, enter the energy-saving state (audio is normal), click the V+/ON button to exit the energy-saving state
2 Do not press and hold the V-/OFF button, it will shut down if you press and hold it for more than 3 seconds.
Function Description:
F + key : Short press to automatically search for the radio frequency upwards. When the radio frequency is found, it will stop and play the radio station. Long press, search channel upward, step frequency 0.1MHz
F - key : Short press to automatically search down the radio frequency, when the radio frequency is found, it will stop and play the radio. Long press, search frequency down, step frequency 0.1MHz
V + key : Short press to increase the volume by one level. Long press to restore factory settings, the default frequency is 99.00MHz, and the default volume is 5.There are 9 levels of volume to choose from, 0 for mute, 8 for maximum volume
V - key : Short press to decrease the volume by one level. Long press to enter shutdown mode, in shutdown mode, press V+ key to power on again.There are 9 levels of volume to choose from, 0 for mute, 8 for maximum volume
3.5mm headphone jack : audio output channel, the headphone cable can also be used as an antenna
Notice:
If you do not do any key operation for 30 seconds, it will automatically enter the low power consumption mode. In this state, the module works normally, and the peripheral circuit will enter the sleep state.
