DIY Radio Electronic Kit Parts Diy Kit Education Electronic Project w/Speaker US

Product Description

Description

Circuit board size: 7.7CMX6.1CM;
Working voltage: 4.5V-5.5V DC.
DC pedestal power supply positive and negative, do not connect the opposite;
FM range: 87MHZ-108MHZ;
Frequency modulation step: press step 0.1MHZ, long press frequency modulation key can be added or subtracted continuously;
Functions: Digital display frequency function, power off memory function, power saving function;
Power off memory function: After power off, power on again, playing the radio before power off.
Introduce the power saving function: after each power-on or pressing the FM key, the display frequency of the digital tube is 5 seconds, and after 5 seconds, the digital tube display will be automatically shut down. There are two reasons for this design, one is power saving, the other is noise interference when the digital tube display is turned off. When the digital tube display is turned off, the sound is more beautiful.
The speaker for the set meal is 2W8 Euro, and the sound quality is quite good.
DIY package shipping list:
Number of component names
PCB*1
262 small antenna*1
0.56-inch 4-bit Gongyang Digital Tube *1
100UF 50V Electrolytic Capacitor* 3
10UF 25V Electrolytic Capacitor* 2
22P Ceramic Sheet Capacitance *3
104 Monolithic Capacitor* 4
8*8 Self-locking Switch *1
7MM high self-locking switch cap* 1
DC005 block *1
4.7 Euroresistance *1
10K resistance* 11
220K resistance *1
9012 triode* 5
13.56M crystal oscillator *1
TEA5767 Radio Module* 1
6*6*20 Key*2
2*5*7 LED *1
50K dial potentiometer *1
8P IC block *1
40P IC block *1
LM386 chip* 2
STC89C52 (Burn and Write Program)*1
Shell List:
Acrylic Plate 1 Set
Screw *25 
M3 Nut*25
10MM Dual-pass Copper Column* 5

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