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DIY Kit FM Stereo Radio Module w/ Headset Adjustable 76-108MHz Wireless Receiver DC 3V

GY18043
5 9
$8.99 $6.29
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1.Introduction:
    The YFM-2 type radio circuit is very simple. The total number of components does not exceed 19. Although the number of components is not large, it includes two types of components: SMD and DIP which are suitable for novices and friends who want to practice soldering of SMD components.
 
2.Feature:
    1>.Built-in digital automatic gain control (AGC) circuit
    2>.Support the global frequency band 76-108Mhz
    3>.DIY manual welding
    4>.Simple and easy to operate
    5>.Support radio memory function
 
3.Parameter:
    1>.Item name: FM Stereo Radio Module DIY Kit
    2>.Item Mode:YFM-2
    3>.Work Voltage:DC 3V
    4>.Work Current:19mA
    5>.Work Frequency:76-108Mhz
    6>.Output impedance:32ohm
    7>.Work Temperature:-40℃~85℃
    8>.Work Humidity:0%~95%RH
    9>.Size(Installed):57*32*20mm
 
4.Application:
    1>.Training welding skills
    2>.Student school
    3>.DIY production
    4>.Project Design
    5>.Electronic competition
    6>.Graduation design
    7>.Crafts collection
    8>.Home decoration
    9>.Souvenir collection
 
5.Installation Tips:
    1>.User needs to prepare the welding tool at first.
    2>.Please be patient until the installation is complete.
    3>.The package is DIY kit.It need finish install by user.
    4>.The soldering iron can't touch the components for a long time(1.0 second), otherwise it will damage the components.
    5>.Pay attention to the positive and negative of the components.
    6>.Strictly prohibit short circuit.
    7>.Install complex components preferentially.
    8>.Make sure all components are in right direction and right place.
    9>.It is strongly recommended to read the installation manual before starting installation!!!
 
6.Installation Steps(Please be patient install!!!):
    1>.Step 1: Install 1pcs SOP-16 RDA5807PF at U1.There is a dot on one corner of the IC and there is a rectangle pad on PCB where the Pin1 of IC can place on.These two marks are corresponding to each other and are used to specify the installation direction of the IC.
    2>.Step 2: Install 1pcs 32.768KHz Crystal Oscillator at Y1.
    3>.Step 3: Install 1pcs 30K ohm Resistor at R1.
    4>.Step 4: Install 1pcs 0.1uH Inductor at L1.
    5>.Step 5: Install 2pcs 1uH Inductor at L2,L3.
    6>.Step 6: Install 1pcs 24pF Ceramic Capacitor at C1.
    7>.Step 7: Install 1pcs 0.01pF(103) Ceramic Capacitor at C2.
    8>.Step 8: Install 1pcs 0.022pF(223) Ceramic Capacitor at C3.
    9>.Step 9: Install 5pcs 6*6*5mm Switch at S1-S5.
    10>.Step 10: Install 1pcs 100uF 16V Electrolytic Capacitor at C4,C5. Please pay attention to the positive and negative poles. The shorter pin is the negative pole.
    11>.Step 11: Install 1pcs 3.5mm Audio Jack at J1.
    12>.Step 12: Connect battery box.Pay attention to positive and negative.
    13>.Step 13: Use a cable tie to fasten the battery box.
    14>.Step 14: Connect to power supply and enjoy the effect.
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(2) Shipping time 
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7-15 working days to: Most of Asia countries
10-16 working days to: USA , Canada , Australia , UK , Most of Europe countries
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18-25 working days to: France , Italy , Spain , South Africa
20-45 working days to: Brazil , Most of South America countries

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DIY Kit FM Stereo Radio Module w/ Headset Adjustable 76-108MHz Wireless Receiver DC 3V
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