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Product Details
1. Using high-quality materials, the quality is guaranteed
2. Two-channel stereo FM radio module FM receiver module
3. High sensitivity
4. Small size and beautiful appearance
5. Wide range of applications
2. Two-channel stereo FM radio module FM receiver module
3. High sensitivity
4. Small size and beautiful appearance
5. Wide range of applications
Parameter:
Power supply: DC2.8V to 12V
Working current: 24mA
Shutdown current: 30uA (static power consumption)
Receiving frequency range: 76.0MHz-----108.0MHz
Sensitivity: 1.3uV
Volume: 9 levels, 0 mute, 8 loudest
Output: Can directly drive common earplugs. Can be directly connected to amplifier input
Frequency and volume have power-off memory function.
Power on automatically, press and hold the V-key to turn off, after turning off, press any key to turn on.
Power supply: DC2.8V to 12V
Working current: 24mA
Shutdown current: 30uA (static power consumption)
Receiving frequency range: 76.0MHz-----108.0MHz
Sensitivity: 1.3uV
Volume: 9 levels, 0 mute, 8 loudest
Output: Can directly drive common earplugs. Can be directly connected to amplifier input
Frequency and volume have power-off memory function.
Power on automatically, press and hold the V-key to turn off, after turning off, press any key to turn on.
Instructions for use:
1. Short press the F+ key to search for the radio station upwards. After the station is found, it will stop and play the station.
Press and hold the F+ key for a long time, the receiving frequency will increase in steps of 0.1MHz.
2. Short press the F-key to search down the radio station. When the station is found, it will stop and play the station.
Long press the F-key and hold, the receiving frequency will decrease in steps of 0.1MHz.
3. Short press the V+ key, the volume will increase by one level, there are 9 levels in total, level 8 is the maximum, level 0 is mute.
Long press the V+ key to restore the factory default parameters, the frequency is 99MHz, and the volume is at 6 gears.
4. Short press the V-key, the volume will decrease by one level, there are 9 levels in total, level 8 is the maximum, level 0 is mute.
Press and hold the V-key to power off.
5. After power off, press any key to power on.
6. If there is no key operation, the backlight will go out after 30 seconds, and the peripheral circuits will enter the sleep state one after another.
7. After the light is off, pressing any key will wake up the relevant circuit, and the light will resume display. This time the key has no function, only the wake-up function. After the light is on, each key has a corresponding function, which can prevent false triggering during use.
8. The headphone jack is the audio output, and the headphone cable doubles as an antenna. The standard 3.5mm specification can directly drive the commonly used 32 ohm earplugs.
1. Short press the F+ key to search for the radio station upwards. After the station is found, it will stop and play the station.
Press and hold the F+ key for a long time, the receiving frequency will increase in steps of 0.1MHz.
2. Short press the F-key to search down the radio station. When the station is found, it will stop and play the station.
Long press the F-key and hold, the receiving frequency will decrease in steps of 0.1MHz.
3. Short press the V+ key, the volume will increase by one level, there are 9 levels in total, level 8 is the maximum, level 0 is mute.
Long press the V+ key to restore the factory default parameters, the frequency is 99MHz, and the volume is at 6 gears.
4. Short press the V-key, the volume will decrease by one level, there are 9 levels in total, level 8 is the maximum, level 0 is mute.
Press and hold the V-key to power off.
5. After power off, press any key to power on.
6. If there is no key operation, the backlight will go out after 30 seconds, and the peripheral circuits will enter the sleep state one after another.
7. After the light is off, pressing any key will wake up the relevant circuit, and the light will resume display. This time the key has no function, only the wake-up function. After the light is on, each key has a corresponding function, which can prevent false triggering during use.
8. The headphone jack is the audio output, and the headphone cable doubles as an antenna. The standard 3.5mm specification can directly drive the commonly used 32 ohm earplugs.
Precautions:
1. The positive and negative poles cannot be reversed. If you do not understand the wiring, please consult customer service, there are technical customer service guidance
2. For soldering, the common soldering iron needs to be well grounded. If it is not grounded, it can be unplugged before soldering.
3. The headphone socket is a 3.5mm standard two-channel stereo interface, 3 sections, inserted
The headphone plug also needs a standard 3.5mm two-channel stereo plug, a 3-section
(The earplug of the mobile phone is 4 sections)
(section 3, is the public ground, left channel, right channel)
(4 sections, is the common ground, left channel, right channel, microphone signal)
4. The positive pole can also be connected to the welding point next to the mark 1 (the same line as the mark + welding point)
The negative electrode can also be connected to the welding point next to the mark 2 (the same line as the mark-welding point)
1. The positive and negative poles cannot be reversed. If you do not understand the wiring, please consult customer service, there are technical customer service guidance
2. For soldering, the common soldering iron needs to be well grounded. If it is not grounded, it can be unplugged before soldering.
3. The headphone socket is a 3.5mm standard two-channel stereo interface, 3 sections, inserted
The headphone plug also needs a standard 3.5mm two-channel stereo plug, a 3-section
(The earplug of the mobile phone is 4 sections)
(section 3, is the public ground, left channel, right channel)
(4 sections, is the common ground, left channel, right channel, microphone signal)
4. The positive pole can also be connected to the welding point next to the mark 1 (the same line as the mark + welding point)
The negative electrode can also be connected to the welding point next to the mark 2 (the same line as the mark-welding point)
Package list:
Stereo FM receiver board* 1
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- If the item is defect when you receive it or you are not satisfied with it, please return it within 14 days for a replacement or money back. But the items must be back in factory condition. Please contact us and double check the return address before you return it.
- If is item is defective in 12 months, you can return it to us. We will send you a new replacement after receiving the defective item.